#579ECB#579ECB

#579ECB is a light, moderate cyan. Relative luminance 0.308; OKLCH L 67.1% C 0.098 H 238.4°. Best body text is #000000 at 7.16:1 contrast (WCAG AA passes).

Color values

HEX	#579ECB
RGB	rgb(87, 158, 203)
HSL	hsl(203, 53%, 57%)
HSV	hsv(203, 57%, 80%)
CMYK	cmyk(57.1%, 22.2%, 0%, 20.4%)
CIE-LAB	lab(62.33, -9.22, -29.83)
CIE-LCH	lch(62.33, 31.23, 252.83°)
OKLab	oklab(67.12% -0.0513 -0.0834)
OKLCH	oklch(67.12% 0.098 238.4)
XYZ	xyz(26.9328, 30.7893, 61.0119)
Luminance	0.3079 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#579ECB #CB8457

analogous

#57CBBE #579ECB #5764CB

triadic

#579ECB #CB579E #9ECB57

tetradic

#579ECB #BE57CB #CB8457 #64CB57

square

#579ECB #BE57CB #CB8457 #64CB57

split-complementary

#579ECB #CB5764 #CBBE57

monochromatic

#285E80 #3680AF #579ECB #86B9D9 #B4D4E8

Accessibility & contrast

On white

2.93

#579ECB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.16

#579ECB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #579ECB

7.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##579ECB	#FFFFFF	#000000	##000000
##579ECB	1.00	2.93	7.16	7.16
#FFFFFF	2.93	1.00	21.00	21.00
#000000	7.16	21.00	1.00	1.00
##000000	7.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#899DCD

Deuteranopia (green-blind)

#7A91CA

Tritanopia (blue-blind)

#00A9AD

Achromatopsia (no color)

#979797

Design tokens & code

CSS

--color: #579ecb;
/* rgb */ color: rgb(87, 158, 203);
/* oklch */ color: oklch(67.1% 0.098 238.4);

Tailwind

colors: {
  custom: {
    50: '#8fbadb',
    500: '#579ecb',
    950: '#000000',
  },
}

SCSS

$custom: #579ecb;
$custom-light: #8fbadb;
$custom-dark: #000000;

JSON

{
  "hex": "#579ecb",
  "rgb": {
    "r": 87,
    "g": 158,
    "b": 203
  },
  "hsl": {
    "h": 203.276,
    "s": 52.727,
    "l": 56.863
  },
  "oklch": {
    "l": 0.67115,
    "c": 0.09797,
    "h": 238.4
  },
  "luminance": 0.30792
}

Semantic roles & 50–950 ramp

primary

#579ECB

secondary

#D7BAA7

accent

#844CDC

background

#F9FBFD

surface

#F2F6FB

border

#CCD0D4

text

#0D1115

muted

#7E8083

Preview Lab

Preview with #579ECB

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

Preview Lab → · Contrast checker → · Palette generator →