#25515B#25515B

#25515B is a dark, muted cyan. Relative luminance 0.070; OKLCH L 40.8% C 0.051 H 214.6°. Best body text is #FFFFFF at 8.73:1 contrast (WCAG AA passes).

Color values

HEX	#25515B
RGB	rgb(37, 81, 91)
HSL	hsl(191, 42%, 25%)
HSV	hsv(191, 59%, 36%)
CMYK	cmyk(59.3%, 11%, 0%, 64.3%)
CIE-LAB	lab(31.88, -11.91, -10.48)
CIE-LCH	lch(31.88, 15.86, 221.34°)
OKLab	oklab(40.81% -0.0421 -0.029)
OKLCH	oklch(40.81% 0.051 214.6)
XYZ	xyz(5.5930, 7.0330, 10.9583)
Luminance	0.0703 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#25515B #5B2F25

analogous

#255B4A #25515B #25365B

triadic

#25515B #5B2551 #515B25

tetradic

#25515B #4A255B #5B2F25 #365B25

square

#25515B #4A255B #5B2F25 #365B25

split-complementary

#25515B #5B2536 #5B4A25

monochromatic

#091316 #132A2F #25515B #377887 #489EB2

Accessibility & contrast

On white

8.73

#25515B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.41

#25515B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #25515B

8.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##25515B	#FFFFFF	#000000	##FFFFFF
##25515B	1.00	8.73	2.41	8.73
#FFFFFF	8.73	1.00	21.00	1.00
#000000	2.41	21.00	1.00	21.00
##FFFFFF	8.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A4F5C

Deuteranopia (green-blind)

#42485B

Tritanopia (blue-blind)

#005554

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #25515b;
/* rgb */ color: rgb(37, 81, 91);
/* oklch */ color: oklch(40.8% 0.051 214.6);

Tailwind

colors: {
  custom: {
    50: '#658289',
    500: '#25515b',
    950: '#000000',
  },
}

SCSS

$custom: #25515b;
$custom-light: #658289;
$custom-dark: #000000;

JSON

{
  "hex": "#25515b",
  "rgb": {
    "r": 37,
    "g": 81,
    "b": 91
  },
  "hsl": {
    "h": 191.111,
    "s": 42.188,
    "l": 25.098
  },
  "oklch": {
    "l": 0.40811,
    "c": 0.05112,
    "h": 214.6
  },
  "luminance": 0.07034
}

Semantic roles & 50–950 ramp

primary

#25515B

secondary

#8E594D

accent

#6D56D2

background

#F6F7F8

surface

#EBEEF0

border

#C6C9CB

text

#060A0B

muted

#7A7C7C

Preview Lab

Preview with #25515B

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

Preview Lab → · Contrast checker → · Palette generator →