#25879B#25879B

#25879B is a mid, moderate cyan. Relative luminance 0.201; OKLCH L 57.7% C 0.091 H 214.7°. Best body text is #000000 at 5.02:1 contrast (WCAG AA passes).

Color values

HEX	#25879B
RGB	rgb(37, 135, 155)
HSL	hsl(190, 61%, 38%)
HSV	hsv(190, 76%, 61%)
CMYK	cmyk(76.1%, 12.9%, 0%, 39.2%)
CIE-LAB	lab(51.93, -20.59, -18.65)
CIE-LCH	lch(51.93, 27.78, 222.18°)
OKLab	oklab(57.75% -0.075 -0.052)
OKLCH	oklch(57.75% 0.091 214.7)
XYZ	xyz(15.3408, 20.0860, 34.0725)
Luminance	0.2009 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#25879B #9B3925

analogous

#259B74 #25879B #254C9B

triadic

#25879B #9B2587 #879B25

tetradic

#25879B #74259B #9B3925 #4C9B25

square

#25879B #74259B #9B3925 #4C9B25

split-complementary

#25879B #9B254C #9B7425

monochromatic

#0D3138 #195C6A #25879B #31B2CC #61C5D9

Accessibility & contrast

On white

4.19

#25879B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.02

#25879B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #25879B

5.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##25879B	#FFFFFF	#000000	##000000
##25879B	1.00	4.19	5.02	5.02
#FFFFFF	4.19	1.00	21.00	21.00
#000000	5.02	21.00	1.00	1.00
##000000	5.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#79839C

Deuteranopia (green-blind)

#69779B

Tritanopia (blue-blind)

#008E8D

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #25879b;
/* rgb */ color: rgb(37, 135, 155);
/* oklch */ color: oklch(57.7% 0.091 214.7);

Tailwind

colors: {
  custom: {
    50: '#73aab8',
    500: '#25879b',
    950: '#000000',
  },
}

SCSS

$custom: #25879b;
$custom-light: #73aab8;
$custom-dark: #000000;

JSON

{
  "hex": "#25879b",
  "rgb": {
    "r": 37,
    "g": 135,
    "b": 155
  },
  "hsl": {
    "h": 190.169,
    "s": 61.458,
    "l": 37.647
  },
  "oklch": {
    "l": 0.57748,
    "c": 0.09131,
    "h": 214.7
  },
  "luminance": 0.20088
}

Semantic roles & 50–950 ramp

primary

#25879B

secondary

#BF6E5D

accent

#5F43E5

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#091011

muted

#7B7F80

Preview Lab

Preview with #25879B

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

Preview Lab → · Contrast checker → · Palette generator →