#577C98#577C98

#577C98 is a mid, moderate cyan. Relative luminance 0.187; OKLCH L 57.0% C 0.060 H 241.7°. Best body text is #000000 at 4.74:1 contrast (WCAG AA passes).

Color values

HEX	#577C98
RGB	rgb(87, 124, 152)
HSL	hsl(206, 27%, 47%)
HSV	hsv(206, 43%, 60%)
CMYK	cmyk(42.8%, 18.4%, 0%, 40.4%)
CIE-LAB	lab(50.34, -5.34, -19.17)
CIE-LCH	lch(50.34, 19.90, 254.44°)
OKLab	oklab(56.96% -0.0285 -0.0531)
OKLCH	oklch(56.96% 0.06 241.7)
XYZ	xyz(16.8037, 18.7075, 32.4251)
Luminance	0.1871 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577C98 #987357

analogous

#579894 #577C98 #575C98

triadic

#577C98 #98577C #7C9857

tetradic

#577C98 #945798 #987357 #5C9857

square

#577C98 #945798 #987357 #5C9857

split-complementary

#577C98 #98575C #989457

monochromatic

#2A3C4A #415C71 #577C98 #7A9AB3 #A0B7C9

Accessibility & contrast

On white

4.43

#577C98 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.74

#577C98 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577C98

4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577C98	#FFFFFF	#000000	##000000
##577C98	1.00	4.43	4.74	4.74
#FFFFFF	4.43	1.00	21.00	21.00
#000000	4.74	21.00	1.00	1.00
##000000	4.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#707C99

Deuteranopia (green-blind)

#677598

Tritanopia (blue-blind)

#3E8385

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #577c98;
/* rgb */ color: rgb(87, 124, 152);
/* oklch */ color: oklch(57.0% 0.060 241.7);

Tailwind

colors: {
  custom: {
    50: '#89a1b6',
    500: '#577c98',
    950: '#000000',
  },
}

SCSS

$custom: #577c98;
$custom-light: #89a1b6;
$custom-dark: #000000;

JSON

{
  "hex": "#577c98",
  "rgb": {
    "r": 87,
    "g": 124,
    "b": 152
  },
  "hsl": {
    "h": 205.846,
    "s": 27.197,
    "l": 46.863
  },
  "oklch": {
    "l": 0.56961,
    "c": 0.06024,
    "h": 241.7
  },
  "luminance": 0.18709
}

Semantic roles & 50–950 ramp

primary

#577C98

secondary

#B6A394

accent

#8D64C4

background

#F8F9FB

surface

#F0F2F6

border

#CBCCD0

text

#0C0F11

muted

#7D7E80

Preview Lab

Preview with #577C98

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

Preview Lab → · Contrast checker → · Palette generator →