#577B88#577B88

#577B88 is a mid, muted cyan. Relative luminance 0.180; OKLCH L 56.1% C 0.045 H 222.4°. Best body text is #000000 at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#577B88
RGB	rgb(87, 123, 136)
HSL	hsl(196, 22%, 44%)
HSV	hsv(196, 36%, 53%)
CMYK	cmyk(36%, 9.6%, 0%, 46.7%)
CIE-LAB	lab(49.46, -9.24, -11.13)
CIE-LCH	lch(49.46, 14.46, 230.31°)
OKLab	oklab(56.07% -0.0335 -0.0305)
OKLCH	oklch(56.07% 0.045 222.4)
XYZ	xyz(15.4559, 17.9689, 25.9417)
Luminance	0.1797 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577B88 #886457

analogous

#57887C #577B88 #576288

triadic

#577B88 #88577B #7B8857

tetradic

#577B88 #7C5788 #886457 #628857

square

#577B88 #7C5788 #886457 #628857

split-complementary

#577B88 #885762 #887C57

monochromatic

#27373D #3F5963 #577B88 #759AA7 #9BB5BF

Accessibility & contrast

On white

4.57

#577B88 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.59

#577B88 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577B88

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577B88	#FFFFFF	#000000	##000000
##577B88	1.00	4.57	4.59	4.59
#FFFFFF	4.57	1.00	21.00	21.00
#000000	4.59	21.00	1.00	1.00
##000000	4.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#737989

Deuteranopia (green-blind)

#6C7388

Tritanopia (blue-blind)

#467F7F

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #577b88;
/* rgb */ color: rgb(87, 123, 136);
/* oklch */ color: oklch(56.1% 0.045 222.4);

Tailwind

colors: {
  custom: {
    50: '#88a1aa',
    500: '#577b88',
    950: '#000000',
  },
}

SCSS

$custom: #577b88;
$custom-light: #88a1aa;
$custom-dark: #000000;

JSON

{
  "hex": "#577b88",
  "rgb": {
    "r": 87,
    "g": 123,
    "b": 136
  },
  "hsl": {
    "h": 195.918,
    "s": 21.973,
    "l": 43.725
  },
  "oklch": {
    "l": 0.56067,
    "c": 0.04527,
    "h": 222.4
  },
  "luminance": 0.1797
}

Semantic roles & 50–950 ramp

primary

#577B88

secondary

#AC968E

accent

#8069BE

background

#F8F9FA

surface

#F0F2F4

border

#CBCCCE

text

#0B0E10

muted

#7C7E7F

Preview Lab

Preview with #577B88

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

Preview Lab → · Contrast checker → · Palette generator →