#577D6D#577D6D

#577D6D is a mid, muted teal. Relative luminance 0.178; OKLCH L 55.6% C 0.050 H 166.6°. Best body text is #FFFFFF at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#577D6D
RGB	rgb(87, 125, 109)
HSL	hsl(155, 18%, 42%)
HSV	hsv(155, 30%, 49%)
CMYK	cmyk(30.4%, 0%, 12.8%, 51%)
CIE-LAB	lab(49.25, -17.04, 4.46)
CIE-LCH	lch(49.25, 17.61, 165.32°)
OKLab	oklab(55.63% -0.0483 0.0115)
OKLCH	oklch(55.63% 0.05 166.6)
XYZ	xyz(14.0235, 17.7969, 17.1613)
Luminance	0.1780 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577D6D #7D5767

analogous

#577D5A #577D6D #577A7D

triadic

#577D6D #6D577D #7D6D57

tetradic

#577D6D #5A577D #7D5767 #7A7D57

square

#577D6D #5A577D #7D5767 #7A7D57

split-complementary

#577D6D #7D577A #7D5A57

monochromatic

#25352E #3E594E #577D6D #739E8C #97B7AA

Accessibility & contrast

On white

4.61

#577D6D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.56

#577D6D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #577D6D

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577D6D	#FFFFFF	#000000	##FFFFFF
##577D6D	1.00	4.61	4.56	4.61
#FFFFFF	4.61	1.00	21.00	1.00
#000000	4.56	21.00	1.00	21.00
##FFFFFF	4.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#7B786C

Deuteranopia (green-blind)

#75736E

Tritanopia (blue-blind)

#4E7D78

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #577d6d;
/* rgb */ color: rgb(87, 125, 109);
/* oklch */ color: oklch(55.6% 0.050 166.6);

Tailwind

colors: {
  custom: {
    50: '#87a296',
    500: '#577d6d',
    950: '#000000',
  },
}

SCSS

$custom: #577d6d;
$custom-light: #87a296;
$custom-dark: #000000;

JSON

{
  "hex": "#577d6d",
  "rgb": {
    "r": 87,
    "g": 125,
    "b": 109
  },
  "hsl": {
    "h": 154.737,
    "s": 17.925,
    "l": 41.569
  },
  "oklch": {
    "l": 0.55628,
    "c": 0.04961,
    "h": 166.6
  },
  "luminance": 0.17798
}

Semantic roles & 50–950 ramp

primary

#577D6D

secondary

#A58B96

accent

#6D8EBB

background

#F8FAF9

surface

#EFF3F2

border

#CACDCC

text

#0B0F0D

muted

#7C7F7E

Preview Lab

Preview with #577D6D

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

Preview Lab → · Contrast checker → · Palette generator →