#25528B#25528B

#25528B is a dark, moderate cyan. Relative luminance 0.083; OKLCH L 43.7% C 0.107 H 255.6°. Best body text is #FFFFFF at 7.90:1 contrast (WCAG AA passes).

Color values

HEX	#25528B
RGB	rgb(37, 82, 139)
HSL	hsl(214, 58%, 35%)
HSV	hsv(214, 73%, 55%)
CMYK	cmyk(73.4%, 41%, 0%, 45.5%)
CIE-LAB	lab(34.58, 5.03, -36.19)
CIE-LCH	lch(34.58, 36.54, 277.91°)
OKLab	oklab(43.72% -0.0265 -0.1032)
OKLCH	oklch(43.72% 0.107 255.6)
XYZ	xyz(8.4387, 8.2911, 25.5767)
Luminance	0.0829 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#25528B #8B5E25

analogous

#25858B #25528B #2B258B

triadic

#25528B #8B2552 #528B25

tetradic

#25528B #8B2585 #8B5E25 #258B2B

square

#25528B #8B2585 #8B5E25 #258B2B

split-complementary

#25528B #8B2B25 #858B25

monochromatic

#0B192A #18355B #25528B #326FBB #588ED3

Accessibility & contrast

On white

7.90

#25528B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.66

#25528B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #25528B

7.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##25528B	#FFFFFF	#000000	##FFFFFF
##25528B	1.00	7.90	2.66	7.90
#FFFFFF	7.90	1.00	21.00	1.00
#000000	2.66	21.00	1.00	21.00
##FFFFFF	7.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#37568D

Deuteranopia (green-blind)

#274D8A

Tritanopia (blue-blind)

#005F67

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #25528b;
/* rgb */ color: rgb(37, 82, 139);
/* oklch */ color: oklch(43.7% 0.107 255.6);

Tailwind

colors: {
  custom: {
    50: '#6d82ad',
    500: '#25528b',
    950: '#000000',
  },
}

SCSS

$custom: #25528b;
$custom-light: #6d82ad;
$custom-dark: #000000;

JSON

{
  "hex": "#25528b",
  "rgb": {
    "r": 37,
    "g": 82,
    "b": 139
  },
  "hsl": {
    "h": 213.529,
    "s": 57.955,
    "l": 34.51
  },
  "oklch": {
    "l": 0.43723,
    "c": 0.10657,
    "h": 255.6
  },
  "luminance": 0.08292
}

Semantic roles & 50–950 ramp

primary

#25528B

secondary

#B78C55

accent

#9D47E1

background

#F7F7FA

surface

#EDEEF4

border

#C8C9CE

text

#080A10

muted

#7B7C7F

Preview Lab

Preview with #25528B

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

Preview Lab → · Contrast checker → · Palette generator →