#25307E#25307E

#25307E is a dark, vivid blue. Relative luminance 0.040; OKLCH L 35.1% C 0.132 H 271.7°. Best body text is #FFFFFF at 11.65:1 contrast (WCAG AA passes).

Color values

HEX	#25307E
RGB	rgb(37, 48, 126)
HSL	hsl(233, 55%, 32%)
HSV	hsv(233, 71%, 49%)
CMYK	cmyk(70.6%, 61.9%, 0%, 50.6%)
CIE-LAB	lab(23.71, 23.20, -45.62)
CIE-LCH	lch(23.71, 51.18, 296.95°)
OKLab	oklab(35.15% 0.0039 -0.1315)
OKLCH	oklch(35.15% 0.132 271.7)
XYZ	xyz(5.5845, 4.0130, 20.2149)
Luminance	0.0401 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#25307E #7E7325

analogous

#255D7E #25307E #47257E

triadic

#25307E #7E2530 #307E25

tetradic

#25307E #7E255D #7E7325 #257E47

square

#25307E #7E255D #7E7325 #257E47

split-complementary

#25307E #7E4725 #5D7E25

monochromatic

#090C1F #171E4F #25307E #3342AD #5161CC

Accessibility & contrast

On white

11.65

#25307E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#25307E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #25307E

11.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##25307E	#FFFFFF	#000000	##FFFFFF
##25307E	1.00	11.65	1.80	11.65
#FFFFFF	11.65	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D81

Deuteranopia (green-blind)

#00347C

Tritanopia (blue-blind)

#004352

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #25307e;
/* rgb */ color: rgb(37, 48, 126);
/* oklch */ color: oklch(35.1% 0.132 271.7);

Tailwind

colors: {
  custom: {
    50: '#6c68a4',
    500: '#25307e',
    950: '#000000',
  },
}

SCSS

$custom: #25307e;
$custom-light: #6c68a4;
$custom-dark: #000000;

JSON

{
  "hex": "#25307e",
  "rgb": {
    "r": 37,
    "g": 48,
    "b": 126
  },
  "hsl": {
    "h": 232.584,
    "s": 54.601,
    "l": 31.961
  },
  "oklch": {
    "l": 0.35147,
    "c": 0.13157,
    "h": 271.7
  },
  "luminance": 0.04014
}

Semantic roles & 50–950 ramp

primary

#25307E

secondary

#B0A44F

accent

#CC4ADE

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#08060F

muted

#7A7A7F

Preview Lab

Preview with #25307E

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

Preview Lab → · Contrast checker → · Palette generator →