#579EC9#579EC9

#579EC9 is a light, moderate cyan. Relative luminance 0.307; OKLCH L 67.0% C 0.096 H 237.1°. Best body text is #000000 at 7.14:1 contrast (WCAG AA passes).

Color values

HEX	#579EC9
RGB	rgb(87, 158, 201)
HSL	hsl(203, 51%, 56%)
HSV	hsv(203, 57%, 79%)
CMYK	cmyk(56.7%, 21.4%, 0%, 21.2%)
CIE-LAB	lab(62.25, -9.83, -28.84)
CIE-LCH	lch(62.25, 30.47, 251.17°)
OKLab	oklab(67.03% -0.052 -0.0806)
OKLCH	oklch(67.03% 0.096 237.1)
XYZ	xyz(26.6960, 30.6946, 59.7648)
Luminance	0.3070 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#579EC9 #C98257

analogous

#57C9BB #579EC9 #5765C9

triadic

#579EC9 #C9579E #9EC957

tetradic

#579EC9 #BB57C9 #C98257 #65C957

square

#579EC9 #BB57C9 #C98257 #65C957

split-complementary

#579EC9 #C95765 #C9BB57

monochromatic

#285D7D #3780AC #579EC9 #85B9D8 #B4D3E7

Accessibility & contrast

On white

2.94

#579EC9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.14

#579EC9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #579EC9

7.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##579EC9	#FFFFFF	#000000	##000000
##579EC9	1.00	2.94	7.14	7.14
#FFFFFF	2.94	1.00	21.00	21.00
#000000	7.14	21.00	1.00	1.00
##000000	7.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8A9DCB

Deuteranopia (green-blind)

#7A91C8

Tritanopia (blue-blind)

#00A9AC

Achromatopsia (no color)

#969696

Design tokens & code

CSS

--color: #579ec9;
/* rgb */ color: rgb(87, 158, 201);
/* oklch */ color: oklch(67.0% 0.096 237.1);

Tailwind

colors: {
  custom: {
    50: '#8fbad9',
    500: '#579ec9',
    950: '#000000',
  },
}

SCSS

$custom: #579ec9;
$custom-light: #8fbad9;
$custom-dark: #000000;

JSON

{
  "hex": "#579ec9",
  "rgb": {
    "r": 87,
    "g": 158,
    "b": 201
  },
  "hsl": {
    "h": 202.632,
    "s": 51.351,
    "l": 56.471
  },
  "oklch": {
    "l": 0.67025,
    "c": 0.09593,
    "h": 237.1
  },
  "luminance": 0.30697
}

Semantic roles & 50–950 ramp

primary

#579EC9

secondary

#D5B8A7

accent

#824DDB

background

#F9FBFD

surface

#F1F6FA

border

#CBD0D3

text

#0D1114

muted

#7E8083

Preview Lab

Preview with #579EC9

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

Preview Lab → · Contrast checker → · Palette generator →