#577D8F#577D8F

#577D8F is a mid, muted cyan. Relative luminance 0.187; OKLCH L 56.8% C 0.051 H 229.1°. Best body text is #000000 at 4.74:1 contrast (WCAG AA passes).

Color values

HEX	#577D8F
RGB	rgb(87, 125, 143)
HSL	hsl(199, 24%, 45%)
HSV	hsv(199, 39%, 56%)
CMYK	cmyk(39.2%, 12.6%, 0%, 43.9%)
CIE-LAB	lab(50.31, -8.46, -13.96)
CIE-LCH	lch(50.31, 16.32, 238.78°)
OKLab	oklab(56.82% -0.0333 -0.0384)
OKLCH	oklch(56.82% 0.051 229.1)
XYZ	xyz(16.2204, 18.6757, 28.7313)
Luminance	0.1868 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577D8F #8F6957

analogous

#578F85 #577D8F #57618F

triadic

#577D8F #8F577D #7D8F57

tetradic

#577D8F #85578F #8F6957 #618F57

square

#577D8F #85578F #8F6957 #618F57

split-complementary

#577D8F #8F5761 #8F8557

monochromatic

#293A43 #405C69 #577D8F #779BAC #9DB7C3

Accessibility & contrast

On white

4.43

#577D8F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.74

#577D8F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577D8F

4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577D8F	#FFFFFF	#000000	##000000
##577D8F	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)

#747B90

Deuteranopia (green-blind)

#6C758F

Tritanopia (blue-blind)

#428283

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #577d8f;
/* rgb */ color: rgb(87, 125, 143);
/* oklch */ color: oklch(56.8% 0.051 229.1);

Tailwind

colors: {
  custom: {
    50: '#89a2af',
    500: '#577d8f',
    950: '#000000',
  },
}

SCSS

$custom: #577d8f;
$custom-light: #89a2af;
$custom-dark: #000000;

JSON

{
  "hex": "#577d8f",
  "rgb": {
    "r": 87,
    "g": 125,
    "b": 143
  },
  "hsl": {
    "h": 199.286,
    "s": 24.348,
    "l": 45.098
  },
  "oklch": {
    "l": 0.56821,
    "c": 0.05084,
    "h": 229.1
  },
  "luminance": 0.18677
}

Semantic roles & 50–950 ramp

primary

#577D8F

secondary

#B19B91

accent

#8467C1

background

#F8FAFA

surface

#F0F3F4

border

#CBCDCE

text

#0C0F10

muted

#7D7F7F

Preview Lab

Preview with #577D8F

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

Preview Lab → · Contrast checker → · Palette generator →