#25575B#25575B

#25575B is a dark, muted teal. Relative luminance 0.080; OKLCH L 42.4% C 0.054 H 202.4°. Best body text is #FFFFFF at 8.10:1 contrast (WCAG AA passes).

Color values

HEX	#25575B
RGB	rgb(37, 87, 91)
HSL	hsl(184, 42%, 25%)
HSV	hsv(184, 59%, 36%)
CMYK	cmyk(59.3%, 4.4%, 0%, 64.3%)
CIE-LAB	lab(33.91, -15.39, -7.42)
CIE-LCH	lch(33.91, 17.09, 205.73°)
OKLab	oklab(42.44% -0.0497 -0.0205)
OKLCH	oklch(42.44% 0.054 202.4)
XYZ	xyz(6.0587, 7.9645, 11.1135)
Luminance	0.0796 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#25575B #5B2925

analogous

#255B44 #25575B #253C5B

triadic

#25575B #5B2557 #575B25

tetradic

#25575B #44255B #5B2925 #3C5B25

square

#25575B #44255B #5B2925 #3C5B25

split-complementary

#25575B #5B253C #5B4425

monochromatic

#091516 #132D2F #25575B #378187 #48AAB2

Accessibility & contrast

On white

8.10

#25575B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.59

#25575B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #25575B

8.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##25575B	#FFFFFF	#000000	##FFFFFF
##25575B	1.00	8.10	2.59	8.10
#FFFFFF	8.10	1.00	21.00	1.00
#000000	2.59	21.00	1.00	21.00
##FFFFFF	8.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#51535B

Deuteranopia (green-blind)

#484D5B

Tritanopia (blue-blind)

#005A58

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #25575b;
/* rgb */ color: rgb(37, 87, 91);
/* oklch */ color: oklch(42.4% 0.054 202.4);

Tailwind

colors: {
  custom: {
    50: '#668689',
    500: '#25575b',
    950: '#000000',
  },
}

SCSS

$custom: #25575b;
$custom-light: #668689;
$custom-dark: #000000;

JSON

{
  "hex": "#25575b",
  "rgb": {
    "r": 37,
    "g": 87,
    "b": 91
  },
  "hsl": {
    "h": 184.444,
    "s": 42.188,
    "l": 25.098
  },
  "oklch": {
    "l": 0.42439,
    "c": 0.05377,
    "h": 202.4
  },
  "luminance": 0.07965
}

Semantic roles & 50–950 ramp

primary

#25575B

secondary

#8E524D

accent

#5F56D2

background

#F6F8F8

surface

#EBEFF0

border

#C6CACB

text

#060B0B

muted

#7A7C7C

Preview Lab

Preview with #25575B

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

Preview Lab → · Contrast checker → · Palette generator →