#577F9D#577F9D

#577F9D is a mid, moderate cyan. Relative luminance 0.196; OKLCH L 57.9% C 0.064 H 241.6°. Best body text is #000000 at 4.93:1 contrast (WCAG AA passes).

Color values

HEX	#577F9D
RGB	rgb(87, 127, 157)
HSL	hsl(206, 29%, 48%)
HSV	hsv(206, 45%, 62%)
CMYK	cmyk(44.6%, 19.1%, 0%, 38.4%)
CIE-LAB	lab(51.43, -5.62, -20.43)
CIE-LCH	lch(51.43, 21.19, 254.62°)
OKLab	oklab(57.88% -0.0306 -0.0566)
OKLCH	oklch(57.88% 0.064 241.6)
XYZ	xyz(17.6036, 19.6381, 34.7547)
Luminance	0.1964 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577F9D #9D7557

analogous

#579D98 #577F9D #575C9D

triadic

#577F9D #9D577F #7F9D57

tetradic

#577F9D #98579D #9D7557 #5C9D57

square

#577F9D #98579D #9D7557 #5C9D57

split-complementary

#577F9D #9D575C #9D9857

monochromatic

#2B3F4E #415F76 #577F9D #7B9DB6 #A3BACC

Accessibility & contrast

On white

4.26

#577F9D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.93

#577F9D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577F9D

4.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577F9D	#FFFFFF	#000000	##000000
##577F9D	1.00	4.26	4.93	4.93
#FFFFFF	4.26	1.00	21.00	21.00
#000000	4.93	21.00	1.00	1.00
##000000	4.93	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#727F9E

Deuteranopia (green-blind)

#69779C

Tritanopia (blue-blind)

#3B8689

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #577f9d;
/* rgb */ color: rgb(87, 127, 157);
/* oklch */ color: oklch(57.9% 0.064 241.6);

Tailwind

colors: {
  custom: {
    50: '#8aa4ba',
    500: '#577f9d',
    950: '#000000',
  },
}

SCSS

$custom: #577f9d;
$custom-light: #8aa4ba;
$custom-dark: #000000;

JSON

{
  "hex": "#577f9d",
  "rgb": {
    "r": 87,
    "g": 127,
    "b": 157
  },
  "hsl": {
    "h": 205.714,
    "s": 28.689,
    "l": 47.843
  },
  "oklch": {
    "l": 0.57881,
    "c": 0.06437,
    "h": 241.6
  },
  "luminance": 0.19639
}

Semantic roles & 50–950 ramp

primary

#577F9D

secondary

#B9A596

accent

#8D63C5

background

#F8FAFB

surface

#F0F4F6

border

#CBCED0

text

#0C0F11

muted

#7D7F80

Preview Lab

Preview with #577F9D

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

Preview Lab → · Contrast checker → · Palette generator →