#579BD4#579BD4

#579BD4 is a light, moderate cyan. Relative luminance 0.302; OKLCH L 66.9% C 0.110 H 245.7°. Best body text is #000000 at 7.04:1 contrast (WCAG AA passes).

Color values

HEX	#579BD4
RGB	rgb(87, 155, 212)
HSL	hsl(207, 59%, 59%)
HSV	hsv(207, 59%, 83%)
CMYK	cmyk(59%, 26.9%, 0%, 16.9%)
CIE-LAB	lab(61.84, -4.71, -35.61)
CIE-LCH	lch(61.84, 35.92, 262.47°)
OKLab	oklab(66.86% -0.0451 -0.1001)
OKLCH	oklch(66.86% 0.11 245.7)
XYZ	xyz(27.5311, 30.2199, 66.6567)
Luminance	0.3022 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#579BD4 #D49057

analogous

#57D4CE #579BD4 #575CD4

triadic

#579BD4 #D4579B #9BD457

tetradic

#579BD4 #CE57D4 #D49057 #5CD457

square

#579BD4 #CE57D4 #D49057 #5CD457

split-complementary

#579BD4 #D4575C #D4CE57

monochromatic

#245D8D #307DBD #579BD4 #88B8E0 #B8D5ED

Accessibility & contrast

On white

2.98

#579BD4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.04

#579BD4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #579BD4

7.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##579BD4	#FFFFFF	#000000	##000000
##579BD4	1.00	2.98	7.04	7.04
#FFFFFF	2.98	1.00	21.00	21.00
#000000	7.04	21.00	1.00	1.00
##000000	7.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#829CD7

Deuteranopia (green-blind)

#7290D3

Tritanopia (blue-blind)

#00A9AF

Achromatopsia (no color)

#959595

Design tokens & code

CSS

--color: #579bd4;
/* rgb */ color: rgb(87, 155, 212);
/* oklch */ color: oklch(66.9% 0.110 245.7);

Tailwind

colors: {
  custom: {
    50: '#90b8e1',
    500: '#579bd4',
    950: '#000000',
  },
}

SCSS

$custom: #579bd4;
$custom-light: #90b8e1;
$custom-dark: #000000;

JSON

{
  "hex": "#579bd4",
  "rgb": {
    "r": 87,
    "g": 155,
    "b": 212
  },
  "hsl": {
    "h": 207.36,
    "s": 59.242,
    "l": 58.627
  },
  "oklch": {
    "l": 0.66855,
    "c": 0.10976,
    "h": 245.7
  },
  "luminance": 0.30222
}

Semantic roles & 50–950 ramp

primary

#579BD4

secondary

#DCC1AB

accent

#8D45E2

background

#F9FBFD

surface

#F2F6FB

border

#CCD0D4

text

#0D1115

muted

#7E8083

Preview Lab

Preview with #579BD4

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

Preview Lab → · Contrast checker → · Palette generator →