#25387F#25387F

#25387F is a dark, vivid blue. Relative luminance 0.048; OKLCH L 36.9% C 0.122 H 268.5°. Best body text is #FFFFFF at 10.76:1 contrast (WCAG AA passes).

Color values

HEX	#25387F
RGB	rgb(37, 56, 127)
HSL	hsl(227, 55%, 32%)
HSV	hsv(227, 71%, 50%)
CMYK	cmyk(70.9%, 55.9%, 0%, 50.2%)
CIE-LAB	lab(26.02, 18.04, -42.51)
CIE-LCH	lch(26.02, 46.17, 292.99°)
OKLab	oklab(36.9% -0.0033 -0.1222)
OKLCH	oklch(36.9% 0.122 268.5)
XYZ	xyz(6.0066, 4.7534, 20.6755)
Luminance	0.0475 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#25387F #7F6C25

analogous

#25657F #25387F #3F257F

triadic

#25387F #7F2538 #387F25

tetradic

#25387F #7F2565 #7F6C25 #257F3F

square

#25387F #7F2565 #7F6C25 #257F3F

split-complementary

#25387F #7F3F25 #657F25

monochromatic

#090E20 #172350 #25387F #334DAE #526CCD

Accessibility & contrast

On white

10.76

#25387F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#25387F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #25387F

10.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##25387F	#FFFFFF	#000000	##FFFFFF
##25387F	1.00	10.76	1.95	10.76
#FFFFFF	10.76	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#034281

Deuteranopia (green-blind)

#003A7E

Tritanopia (blue-blind)

#004955

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #25387f;
/* rgb */ color: rgb(37, 56, 127);
/* oklch */ color: oklch(36.9% 0.122 268.5);

Tailwind

colors: {
  custom: {
    50: '#6b6ea5',
    500: '#25387f',
    950: '#000000',
  },
}

SCSS

$custom: #25387f;
$custom-light: #6b6ea5;
$custom-dark: #000000;

JSON

{
  "hex": "#25387f",
  "rgb": {
    "r": 37,
    "g": 56,
    "b": 127
  },
  "hsl": {
    "h": 227.333,
    "s": 54.878,
    "l": 32.157
  },
  "oklch": {
    "l": 0.36897,
    "c": 0.12228,
    "h": 268.5
  },
  "luminance": 0.04754
}

Semantic roles & 50–950 ramp

primary

#25387F

secondary

#B19C4F

accent

#BF4ADE

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #25387F

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

Preview Lab → · Contrast checker → · Palette generator →