#25587B#25587B

#25587B is a dark, moderate cyan. Relative luminance 0.088; OKLCH L 44.2% C 0.079 H 241.7°. Best body text is #FFFFFF at 7.61:1 contrast (WCAG AA passes).

Color values

HEX	#25587B
RGB	rgb(37, 88, 123)
HSL	hsl(204, 54%, 31%)
HSV	hsv(204, 70%, 48%)
CMYK	cmyk(69.9%, 28.5%, 0%, 51.8%)
CIE-LAB	lab(35.60, -4.89, -24.76)
CIE-LCH	lch(35.60, 25.24, 258.83°)
OKLab	oklab(44.24% -0.0376 -0.0698)
OKLCH	oklch(44.24% 0.079 241.7)
XYZ	xyz(7.8265, 8.8020, 20.0215)
Luminance	0.0880 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#25587B #7B4825

analogous

#257B73 #25587B #252D7B

triadic

#25587B #7B2558 #587B25

tetradic

#25587B #73257B #7B4825 #2D7B25

square

#25587B #73257B #7B4825 #2D7B25

split-complementary

#25587B #7B252D #7B7325

monochromatic

#09151D #17364C #25587B #337AAA #5099CA

Accessibility & contrast

On white

7.61

#25587B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.76

#25587B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #25587B

7.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##25587B	#FFFFFF	#000000	##FFFFFF
##25587B	1.00	7.61	2.76	7.61
#FFFFFF	7.61	1.00	21.00	1.00
#000000	2.76	21.00	1.00	21.00
##FFFFFF	7.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#48587D

Deuteranopia (green-blind)

#3C507A

Tritanopia (blue-blind)

#006164

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #25587b;
/* rgb */ color: rgb(37, 88, 123);
/* oklch */ color: oklch(44.2% 0.079 241.7);

Tailwind

colors: {
  custom: {
    50: '#6a87a1',
    500: '#25587b',
    950: '#000000',
  },
}

SCSS

$custom: #25587b;
$custom-light: #6a87a1;
$custom-dark: #000000;

JSON

{
  "hex": "#25587b",
  "rgb": {
    "r": 37,
    "g": 88,
    "b": 123
  },
  "hsl": {
    "h": 204.419,
    "s": 53.75,
    "l": 31.373
  },
  "oklch": {
    "l": 0.44239,
    "c": 0.07927,
    "h": 241.7
  },
  "luminance": 0.08803
}

Semantic roles & 50–950 ramp

primary

#25587B

secondary

#AD754F

accent

#864BDD

background

#F6F8F9

surface

#ECEFF2

border

#C7CACC

text

#070B0F

muted

#7A7C7E

Preview Lab

Preview with #25587B

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

Preview Lab → · Contrast checker → · Palette generator →