#577998#577998

#577998 is a mid, moderate cyan. Relative luminance 0.180; OKLCH L 56.3% C 0.062 H 246.7°. Best body text is #000000 at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#577998
RGB	rgb(87, 121, 152)
HSL	hsl(209, 27%, 47%)
HSV	hsv(209, 43%, 60%)
CMYK	cmyk(42.8%, 20.4%, 0%, 40.4%)
CIE-LAB	lab(49.46, -3.59, -20.53)
CIE-LCH	lch(49.46, 20.84, 260.08°)
OKLab	oklab(56.26% -0.0246 -0.0569)
OKLCH	oklch(56.26% 0.062 246.7)
XYZ	xyz(16.4335, 17.9670, 32.3017)
Luminance	0.1797 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577998 #987657

analogous

#579897 #577998 #575998

triadic

#577998 #985779 #799857

tetradic

#577998 #975798 #987657 #599857

square

#577998 #975798 #987657 #599857

split-complementary

#577998 #985759 #989757

monochromatic

#2A3B4A #415A71 #577998 #7A97B3 #A0B6C9

Accessibility & contrast

On white

4.57

#577998 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.59

#577998 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577998

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577998	#FFFFFF	#000000	##000000
##577998	1.00	4.57	4.59	4.59
#FFFFFF	4.57	1.00	21.00	21.00
#000000	4.59	21.00	1.00	1.00
##000000	4.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D7999

Deuteranopia (green-blind)

#647397

Tritanopia (blue-blind)

#3E8083

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #577998;
/* rgb */ color: rgb(87, 121, 152);
/* oklch */ color: oklch(56.3% 0.062 246.7);

Tailwind

colors: {
  custom: {
    50: '#899fb6',
    500: '#577998',
    950: '#000000',
  },
}

SCSS

$custom: #577998;
$custom-light: #899fb6;
$custom-dark: #000000;

JSON

{
  "hex": "#577998",
  "rgb": {
    "r": 87,
    "g": 121,
    "b": 152
  },
  "hsl": {
    "h": 208.615,
    "s": 27.197,
    "l": 46.863
  },
  "oklch": {
    "l": 0.56262,
    "c": 0.06199,
    "h": 246.7
  },
  "luminance": 0.17968
}

Semantic roles & 50–950 ramp

primary

#577998

secondary

#B6A594

accent

#9264C4

background

#F8F9FB

surface

#F0F2F6

border

#CBCCD0

text

#0C0E11

muted

#7D7E80

Preview Lab

Preview with #577998

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

Preview Lab → · Contrast checker → · Palette generator →