#539ECB#539ECB

#539ECB is a light, moderate cyan. Relative luminance 0.306; OKLCH L 66.9% C 0.100 H 237.2°. Best body text is #000000 at 7.12:1 contrast (WCAG AA passes).

Color values

HEX	#539ECB
RGB	rgb(83, 158, 203)
HSL	hsl(203, 54%, 56%)
HSV	hsv(203, 59%, 80%)
CMYK	cmyk(59.1%, 22.2%, 0%, 20.4%)
CIE-LAB	lab(62.17, -10.01, -30.09)
CIE-LCH	lch(62.17, 31.72, 251.60°)
OKLab	oklab(66.94% -0.0543 -0.0842)
OKLCH	oklch(66.94% 0.1 237.2)
XYZ	xyz(26.5696, 30.6020, 60.9949)
Luminance	0.3060 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#539ECB #CB8053

analogous

#53CBBC #539ECB #5362CB

triadic

#539ECB #CB539E #9ECB53

tetradic

#539ECB #BC53CB #CB8053 #62CB53

square

#539ECB #BC53CB #CB8053 #62CB53

split-complementary

#539ECB #CB5362 #CBBC53

monochromatic

#265D7E #347FAD #539ECB #82B9D9 #B1D3E7

Accessibility & contrast

On white

2.95

#539ECB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.12

#539ECB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #539ECB

7.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##539ECB	#FFFFFF	#000000	##000000
##539ECB	1.00	2.95	7.12	7.12
#FFFFFF	2.95	1.00	21.00	21.00
#000000	7.12	21.00	1.00	1.00
##000000	7.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#899DCD

Deuteranopia (green-blind)

#7991CA

Tritanopia (blue-blind)

#00AAAD

Achromatopsia (no color)

#969696

Design tokens & code

CSS

--color: #539ecb;
/* rgb */ color: rgb(83, 158, 203);
/* oklch */ color: oklch(66.9% 0.100 237.2);

Tailwind

colors: {
  custom: {
    50: '#8dbadb',
    500: '#539ecb',
    950: '#000000',
  },
}

SCSS

$custom: #539ecb;
$custom-light: #8dbadb;
$custom-dark: #000000;

JSON

{
  "hex": "#539ecb",
  "rgb": {
    "r": 83,
    "g": 158,
    "b": 203
  },
  "hsl": {
    "h": 202.5,
    "s": 53.571,
    "l": 56.078
  },
  "oklch": {
    "l": 0.66945,
    "c": 0.1002,
    "h": 237.2
  },
  "luminance": 0.30605
}

Semantic roles & 50–950 ramp

primary

#539ECB

secondary

#D6B7A4

accent

#824BDD

background

#F9FBFD

surface

#F1F6FB

border

#CBD0D4

text

#0D1115

muted

#7E8083

Preview Lab

Preview with #539ECB

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →