#57799B#57799B

#57799B is a mid, moderate cyan. Relative luminance 0.181; OKLCH L 56.4% C 0.066 H 249.1°. Best body text is #000000 at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#57799B
RGB	rgb(87, 121, 155)
HSL	hsl(210, 28%, 47%)
HSV	hsv(210, 44%, 61%)
CMYK	cmyk(43.9%, 21.9%, 0%, 39.2%)
CIE-LAB	lab(49.58, -2.71, -22.11)
CIE-LCH	lch(49.58, 22.27, 263.01°)
OKLab	oklab(56.4% -0.0235 -0.0614)
OKLCH	oklch(56.4% 0.066 249.1)
XYZ	xyz(16.6823, 18.0665, 33.6121)
Luminance	0.1807 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57799B #9B7957

analogous

#579B9B #57799B #57579B

triadic

#57799B #9B5779 #799B57

tetradic

#57799B #9B579B #9B7957 #579B57

square

#57799B #9B579B #9B7957 #579B57

split-complementary

#57799B #9B5757 #9B9B57

monochromatic

#2B3C4D #415A74 #57799B #7B98B5 #A2B6CB

Accessibility & contrast

On white

4.55

#57799B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.61

#57799B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #57799B

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57799B	#FFFFFF	#000000	##000000
##57799B	1.00	4.55	4.61	4.61
#FFFFFF	4.55	1.00	21.00	21.00
#000000	4.61	21.00	1.00	1.00
##000000	4.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C7A9D

Deuteranopia (green-blind)

#63739A

Tritanopia (blue-blind)

#3D8184

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #57799b;
/* rgb */ color: rgb(87, 121, 155);
/* oklch */ color: oklch(56.4% 0.066 249.1);

Tailwind

colors: {
  custom: {
    50: '#899fb8',
    500: '#57799b',
    950: '#000000',
  },
}

SCSS

$custom: #57799b;
$custom-light: #899fb8;
$custom-dark: #000000;

JSON

{
  "hex": "#57799b",
  "rgb": {
    "r": 87,
    "g": 121,
    "b": 155
  },
  "hsl": {
    "h": 210,
    "s": 28.099,
    "l": 47.451
  },
  "oklch": {
    "l": 0.56397,
    "c": 0.06573,
    "h": 249.1
  },
  "luminance": 0.18068
}

Semantic roles & 50–950 ramp

primary

#57799B

secondary

#B8A796

accent

#9463C4

background

#F8F9FB

surface

#F0F2F6

border

#CBCCD0

text

#0C0E11

muted

#7D7E80

Preview Lab

Preview with #57799B

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

Preview Lab → · Contrast checker → · Palette generator →