OKLCH format page

OKLCH Color Codes

Explore OKLCH values with a live color picker, format-aware previews, conversion rows, and contrast guidance.

HEX RGB RGBA HSL HSLA CMYK LAB LCH

Custom picker

Fine-tune your color

Drag the field, adjust hue and alpha, or paste any supported format.

Hue 110°

Alpha 100%

Tip: you can paste formats like #3f7f2f, rgb(63, 127, 47), hsl(110, 45%, 35%), or oklch(0.7, 0.1, 220).

Current OKLCH value

Parsed from input

Value

Canonical page

oklch(0, 0, 0)

Foreground preview

WCAG contrast checker and foreground picker

Best auto foreground

Best contrast with white


                        #ffffff

Auto-selects the strongest contrast against the current background.

Readable text preview

The quick brown fox jumps over the lazy dog.

Button preview

Contrast ratio

21.00

Excellent accessibility

Element	AA	AAA
Small text	Pass	Pass
Large text	Pass	—
UI elements / graphics	Pass	N/A

AA for normal text is typically 4.5:1, AA for large text 3:1, AAA for normal text 7:1, and non-text UI elements typically 3:1.

About OKLCH

OKLCH

A modern perceptual color model.

OKLCH is especially useful in modern UI systems because it provides smoother perceptual transitions and more predictable color adjustments.

Best for modern design systems and CSS color workflows.

Convert to other formats

Jump directly to the same color in another notation.

HEX RGB RGBA HSL HSLA CMYK LAB LCH

Color Conversion

Same color in multiple code formats.

Swatch	Code	Value	HTML/CSS
	HEX		#000000
	RGB		rgb(0 0 0)
	RGBA		rgba(0 0 0 / 1)
	HSL		hsl(0 0% 0%)
	HSLA		hsla(0 0% 0% / 1)
	CMYK		cmyk(0 0 0 100)
	LAB		lab(0 0 0)
	LCH		lch(0 0 0)
	OKLCH		oklch(0 0 0)

HEX

HTML/CSS

#000000

RGB

HTML/CSS

rgb(0 0 0)

RGBA

HTML/CSS

rgba(0 0 0 / 1)

HSL

HTML/CSS

hsl(0 0% 0%)

HSLA

HTML/CSS

hsla(0 0% 0% / 1)

CMYK

HTML/CSS

cmyk(0 0 0 100)

LAB

HTML/CSS

lab(0 0 0)

LCH

HTML/CSS

lch(0 0 0)

OKLCH

HTML/CSS

oklch(0 0 0)

Export formats

Ready-to-copy snippets for developers, apps, frameworks, and design systems.

#000000

Design tokens

Tokens

Swatch	Format	Snippet
	CSS variable
	JSON token
	Tailwind config
	SCSS variable

CSS variable

Tokens

JSON token

Tokens

Tailwind config

Tokens

SCSS variable

Tokens

Web / frontend

Frontend

Swatch	Format	Snippet
	JavaScript
	TypeScript
	Inline style
	CSS class

JavaScript

Frontend

TypeScript

Frontend

Inline style

Frontend

CSS class

Frontend

Mobile / app

Mobile

Swatch	Format	Snippet
	Android XML
	SwiftUI
	Swift UIColor
	Kotlin
	Flutter
	React Native

Android XML

Mobile

SwiftUI

Mobile

Swift UIColor

Mobile

Kotlin

Mobile

Flutter

Mobile

React Native

Mobile

SVG / graphics

Graphics

Swatch	Format	Snippet
	SVG fill
	SVG stroke

SVG fill

Graphics

SVG stroke

Graphics

Color Variations

tint / shade

Tint

Lightened version

#474747

Shade

Darkened version

#000000

Tone

Muted version

#1c1c1c

Monochrome

Single-hue family

#000000

Supported format references

Compare the supported formats and move between them without losing the same color context.