#577C97#577C97

#577C97 is a mid, muted cyan. Relative luminance 0.187; OKLCH L 56.9% C 0.059 H 240.7°. Best body text is #000000 at 4.74:1 contrast (WCAG AA passes).

Color values

HEX	#577C97
RGB	rgb(87, 124, 151)
HSL	hsl(205, 27%, 47%)
HSV	hsv(205, 42%, 59%)
CMYK	cmyk(42.4%, 17.9%, 0%, 40.8%)
CIE-LAB	lab(50.30, -5.63, -18.65)
CIE-LCH	lch(50.30, 19.48, 253.21°)
OKLab	oklab(56.92% -0.0289 -0.0516)
OKLCH	oklch(56.92% 0.059 240.7)
XYZ	xyz(16.7222, 18.6749, 31.9956)
Luminance	0.1868 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577C97 #977257

analogous

#579792 #577C97 #575C97

triadic

#577C97 #97577C #7C9757

tetradic

#577C97 #925797 #977257 #5C9757

square

#577C97 #925797 #977257 #5C9757

split-complementary

#577C97 #97575C #979257

monochromatic

#2A3C49 #415C70 #577C97 #799AB2 #A0B7C8

Accessibility & contrast

On white

4.43

#577C97 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.74

#577C97 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577C97

4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577C97	#FFFFFF	#000000	##000000
##577C97	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)

#707C98

Deuteranopia (green-blind)

#687597

Tritanopia (blue-blind)

#3E8385

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #577c97;
/* rgb */ color: rgb(87, 124, 151);
/* oklch */ color: oklch(56.9% 0.059 240.7);

Tailwind

colors: {
  custom: {
    50: '#89a1b5',
    500: '#577c97',
    950: '#000000',
  },
}

SCSS

$custom: #577c97;
$custom-light: #89a1b5;
$custom-dark: #000000;

JSON

{
  "hex": "#577c97",
  "rgb": {
    "r": 87,
    "g": 124,
    "b": 151
  },
  "hsl": {
    "h": 205.313,
    "s": 26.891,
    "l": 46.667
  },
  "oklch": {
    "l": 0.56918,
    "c": 0.05912,
    "h": 240.7
  },
  "luminance": 0.18676
}

Semantic roles & 50–950 ramp

primary

#577C97

secondary

#B6A294

accent

#8D65C3

background

#F8F9FB

surface

#F0F2F6

border

#CBCCD0

text

#0C0F11

muted

#7D7E80

Preview Lab

Preview with #577C97

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

Preview Lab → · Contrast checker → · Palette generator →