#577B7E#577B7E

#577B7E is a mid, muted teal. Relative luminance 0.177; OKLCH L 55.7% C 0.041 H 202.5°. Best body text is #FFFFFF at 4.63:1 contrast (WCAG AA passes).

Color values

HEX	#577B7E
RGB	rgb(87, 123, 126)
HSL	hsl(185, 18%, 42%)
HSV	hsv(185, 31%, 49%)
CMYK	cmyk(31%, 2.4%, 0%, 50.6%)
CIE-LAB	lab(49.13, -11.86, -5.73)
CIE-LCH	lch(49.13, 13.17, 205.78°)
OKLab	oklab(55.69% -0.0377 -0.0157)
OKLCH	oklch(55.69% 0.041 202.5)
XYZ	xyz(14.7781, 17.6977, 22.3719)
Luminance	0.1770 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577B7E #7E5A57

analogous

#577E6E #577B7E #57687E

triadic

#577B7E #7E577B #7B7E57

tetradic

#577B7E #6E577E #7E5A57 #687E57

square

#577B7E #6E577E #7E5A57 #687E57

split-complementary

#577B7E #7E5768 #7E6E57

monochromatic

#253436 #3E585A #577B7E #749B9F #98B5B8

Accessibility & contrast

On white

4.63

#577B7E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.54

#577B7E on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #577B7E

4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577B7E	#FFFFFF	#000000	##FFFFFF
##577B7E	1.00	4.63	4.54	4.63
#FFFFFF	4.63	1.00	21.00	1.00
#000000	4.54	21.00	1.00	21.00
##FFFFFF	4.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#76787E

Deuteranopia (green-blind)

#6F727E

Tritanopia (blue-blind)

#497E7C

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #577b7e;
/* rgb */ color: rgb(87, 123, 126);
/* oklch */ color: oklch(55.7% 0.041 202.5);

Tailwind

colors: {
  custom: {
    50: '#88a1a3',
    500: '#577b7e',
    950: '#000000',
  },
}

SCSS

$custom: #577b7e;
$custom-light: #88a1a3;
$custom-dark: #000000;

JSON

{
  "hex": "#577b7e",
  "rgb": {
    "r": 87,
    "g": 123,
    "b": 126
  },
  "hsl": {
    "h": 184.615,
    "s": 18.31,
    "l": 41.765
  },
  "oklch": {
    "l": 0.55694,
    "c": 0.04084,
    "h": 202.5
  },
  "luminance": 0.17699
}

Semantic roles & 50–950 ramp

primary

#577B7E

secondary

#A68D8B

accent

#736DBB

background

#F8F9FA

surface

#F0F2F3

border

#CBCCCD

text

#0B0F0F

muted

#7C7E7F

Preview Lab

Preview with #577B7E

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

Preview Lab → · Contrast checker → · Palette generator →