#25377E#25377E

#25377E is a dark, vivid blue. Relative luminance 0.046; OKLCH L 36.6% C 0.122 H 268.9°. Best body text is #FFFFFF at 10.90:1 contrast (WCAG AA passes).

Color values

HEX	#25377E
RGB	rgb(37, 55, 126)
HSL	hsl(228, 55%, 32%)
HSV	hsv(228, 71%, 49%)
CMYK	cmyk(70.6%, 56.3%, 0%, 50.6%)
CIE-LAB	lab(25.66, 18.34, -42.46)
CIE-LCH	lch(25.66, 46.26, 293.36°)
OKLab	oklab(36.6% -0.0024 -0.1221)
OKLCH	oklch(36.6% 0.122 268.9)
XYZ	xyz(5.8937, 4.6315, 20.3180)
Luminance	0.0463 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#25377E #7E6C25

analogous

#25647E #25377E #40257E

triadic

#25377E #7E2537 #377E25

tetradic

#25377E #7E2564 #7E6C25 #257E40

square

#25377E #7E2564 #7E6C25 #257E40

split-complementary

#25377E #7E4025 #647E25

monochromatic

#090E1F #17224F #25377E #334CAD #516ACC

Accessibility & contrast

On white

10.90

#25377E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#25377E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #25377E

10.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##25377E	#FFFFFF	#000000	##FFFFFF
##25377E	1.00	10.90	1.93	10.90
#FFFFFF	10.90	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#014180

Deuteranopia (green-blind)

#00397D

Tritanopia (blue-blind)

#004855

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #25377e;
/* rgb */ color: rgb(37, 55, 126);
/* oklch */ color: oklch(36.6% 0.122 268.9);

Tailwind

colors: {
  custom: {
    50: '#6b6da4',
    500: '#25377e',
    950: '#000000',
  },
}

SCSS

$custom: #25377e;
$custom-light: #6b6da4;
$custom-dark: #000000;

JSON

{
  "hex": "#25377e",
  "rgb": {
    "r": 37,
    "g": 55,
    "b": 126
  },
  "hsl": {
    "h": 227.865,
    "s": 54.601,
    "l": 31.961
  },
  "oklch": {
    "l": 0.36599,
    "c": 0.12216,
    "h": 268.9
  },
  "luminance": 0.04632
}

Semantic roles & 50–950 ramp

primary

#25377E

secondary

#B09C4F

accent

#C04ADE

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #25377E

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

Preview Lab → · Contrast checker → · Palette generator →