#577D9F#577D9F

#577D9F is a mid, moderate cyan. Relative luminance 0.192; OKLCH L 57.5% C 0.068 H 246.3°. Best body text is #000000 at 4.84:1 contrast (WCAG AA passes).

Color values

HEX	#577D9F
RGB	rgb(87, 125, 159)
HSL	hsl(208, 29%, 48%)
HSV	hsv(208, 45%, 62%)
CMYK	cmyk(45.3%, 21.4%, 0%, 37.6%)
CIE-LAB	lab(50.92, -3.87, -22.38)
CIE-LCH	lch(50.92, 22.71, 260.19°)
OKLab	oklab(57.5% -0.0273 -0.0622)
OKLCH	oklch(57.5% 0.068 246.3)
XYZ	xyz(17.5200, 19.1955, 35.5761)
Luminance	0.1920 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577D9F #9F7957

analogous

#579F9D #577D9F #57599F

triadic

#577D9F #9F577D #7D9F57

tetradic

#577D9F #9D579F #9F7957 #599F57

square

#577D9F #9D579F #9F7957 #599F57

split-complementary

#577D9F #9F5759 #9F9D57

monochromatic

#2C3F50 #415E77 #577D9F #7C9BB7 #A3B9CD

Accessibility & contrast

On white

4.34

#577D9F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.84

#577D9F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577D9F

4.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577D9F	#FFFFFF	#000000	##000000
##577D9F	1.00	4.34	4.84	4.84
#FFFFFF	4.34	1.00	21.00	21.00
#000000	4.84	21.00	1.00	1.00
##000000	4.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F7DA1

Deuteranopia (green-blind)

#66769E

Tritanopia (blue-blind)

#3A8588

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #577d9f;
/* rgb */ color: rgb(87, 125, 159);
/* oklch */ color: oklch(57.5% 0.068 246.3);

Tailwind

colors: {
  custom: {
    50: '#8aa2bb',
    500: '#577d9f',
    950: '#000000',
  },
}

SCSS

$custom: #577d9f;
$custom-light: #8aa2bb;
$custom-dark: #000000;

JSON

{
  "hex": "#577d9f",
  "rgb": {
    "r": 87,
    "g": 125,
    "b": 159
  },
  "hsl": {
    "h": 208.333,
    "s": 29.268,
    "l": 48.235
  },
  "oklch": {
    "l": 0.57504,
    "c": 0.06789,
    "h": 246.3
  },
  "luminance": 0.19197
}

Semantic roles & 50–950 ramp

primary

#577D9F

secondary

#BBA897

accent

#9162C6

background

#F8F9FB

surface

#F0F2F6

border

#CBCCD0

text

#0C0F12

muted

#7D7E81

Preview Lab

Preview with #577D9F

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

Preview Lab → · Contrast checker → · Palette generator →