#25387E#25387E

#25387E is a dark, vivid blue. Relative luminance 0.047; OKLCH L 36.8% C 0.121 H 268.4°. Best body text is #FFFFFF at 10.79:1 contrast (WCAG AA passes).

Color values

HEX	#25387E
RGB	rgb(37, 56, 126)
HSL	hsl(227, 55%, 32%)
HSV	hsv(227, 71%, 49%)
CMYK	cmyk(70.6%, 55.6%, 0%, 50.6%)
CIE-LAB	lab(25.94, 17.65, -42.00)
CIE-LCH	lch(25.94, 45.56, 292.79°)
OKLab	oklab(36.82% -0.0033 -0.1208)
OKLCH	oklch(36.82% 0.121 268.4)
XYZ	xyz(5.9417, 4.7274, 20.3340)
Luminance	0.0473 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#25387E #7E6B25

analogous

#25657E #25387E #3F257E

triadic

#25387E #7E2538 #387E25

tetradic

#25387E #7E2565 #7E6B25 #257E3F

square

#25387E #7E2565 #7E6B25 #257E3F

split-complementary

#25387E #7E3F25 #657E25

monochromatic

#090E1F #17234F #25387E #334DAD #516CCC

Accessibility & contrast

On white

10.79

#25387E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#25387E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #25387E

10.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##25387E	#FFFFFF	#000000	##FFFFFF
##25387E	1.00	10.79	1.95	10.79
#FFFFFF	10.79	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#064280

Deuteranopia (green-blind)

#003A7D

Tritanopia (blue-blind)

#004955

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #25387e;
/* rgb */ color: rgb(37, 56, 126);
/* oklch */ color: oklch(36.8% 0.121 268.4);

Tailwind

colors: {
  custom: {
    50: '#6b6ea4',
    500: '#25387e',
    950: '#000000',
  },
}

SCSS

$custom: #25387e;
$custom-light: #6b6ea4;
$custom-dark: #000000;

JSON

{
  "hex": "#25387e",
  "rgb": {
    "r": 37,
    "g": 56,
    "b": 126
  },
  "hsl": {
    "h": 227.191,
    "s": 54.601,
    "l": 31.961
  },
  "oklch": {
    "l": 0.36815,
    "c": 0.12081,
    "h": 268.4
  },
  "luminance": 0.04728
}

Semantic roles & 50–950 ramp

primary

#25387E

secondary

#B09B4F

accent

#BE4ADE

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #25387E

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

Preview Lab → · Contrast checker → · Palette generator →