#577B97#577B97

#577B97 is a mid, muted cyan. Relative luminance 0.184; OKLCH L 56.7% C 0.060 H 242.5°. Best body text is #000000 at 4.69:1 contrast (WCAG AA passes).

Color values

HEX	#577B97
RGB	rgb(87, 123, 151)
HSL	hsl(206, 27%, 47%)
HSV	hsv(206, 42%, 59%)
CMYK	cmyk(42.4%, 18.5%, 0%, 40.8%)
CIE-LAB	lab(50.01, -5.05, -19.10)
CIE-LCH	lch(50.01, 19.76, 255.20°)
OKLab	oklab(56.68% -0.0276 -0.0529)
OKLCH	oklch(56.68% 0.06 242.5)
XYZ	xyz(16.5975, 18.4255, 31.9541)
Luminance	0.1843 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577B97 #977357

analogous

#579793 #577B97 #575B97

triadic

#577B97 #97577B #7B9757

tetradic

#577B97 #935797 #977357 #5B9757

square

#577B97 #935797 #977357 #5B9757

split-complementary

#577B97 #97575B #979357

monochromatic

#2A3C49 #415B70 #577B97 #7999B2 #A0B7C8

Accessibility & contrast

On white

4.48

#577B97 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.69

#577B97 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577B97

4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577B97	#FFFFFF	#000000	##000000
##577B97	1.00	4.48	4.69	4.69
#FFFFFF	4.48	1.00	21.00	21.00
#000000	4.69	21.00	1.00	1.00
##000000	4.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F7B98

Deuteranopia (green-blind)

#677496

Tritanopia (blue-blind)

#3F8284

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #577b97;
/* rgb */ color: rgb(87, 123, 151);
/* oklch */ color: oklch(56.7% 0.060 242.5);

Tailwind

colors: {
  custom: {
    50: '#89a1b5',
    500: '#577b97',
    950: '#000000',
  },
}

SCSS

$custom: #577b97;
$custom-light: #89a1b5;
$custom-dark: #000000;

JSON

{
  "hex": "#577b97",
  "rgb": {
    "r": 87,
    "g": 123,
    "b": 151
  },
  "hsl": {
    "h": 206.25,
    "s": 26.891,
    "l": 46.667
  },
  "oklch": {
    "l": 0.56684,
    "c": 0.05962,
    "h": 242.5
  },
  "luminance": 0.18427
}

Semantic roles & 50–950 ramp

primary

#577B97

secondary

#B6A394

accent

#8E65C3

background

#F8F9FB

surface

#F0F2F6

border

#CBCCD0

text

#0C0E11

muted

#7D7E80

Preview Lab

Preview with #577B97

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

Preview Lab → · Contrast checker → · Palette generator →