#25307B#25307B

#25307B is a dark, vivid blue. Relative luminance 0.039; OKLCH L 34.9% C 0.127 H 271.8°. Best body text is #FFFFFF at 11.75:1 contrast (WCAG AA passes).

Color values

HEX	#25307B
RGB	rgb(37, 48, 123)
HSL	hsl(232, 54%, 31%)
HSV	hsv(232, 70%, 48%)
CMYK	cmyk(69.9%, 61%, 0%, 51.8%)
CIE-LAB	lab(23.46, 22.05, -44.14)
CIE-LCH	lch(23.46, 49.34, 296.55°)
OKLab	oklab(34.88% 0.0039 -0.1272)
OKLCH	oklch(34.88% 0.127 271.8)
XYZ	xyz(5.3938, 3.9368, 19.2107)
Luminance	0.0394 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#25307B #7B7025

analogous

#255B7B #25307B #45257B

triadic

#25307B #7B2530 #307B25

tetradic

#25307B #7B255B #7B7025 #257B45

square

#25307B #7B255B #7B7025 #257B45

split-complementary

#25307B #7B4525 #5B7B25

monochromatic

#090B1D #171E4C #25307B #3342AA #5060CA

Accessibility & contrast

On white

11.75

#25307B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#25307B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #25307B

11.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##25307B	#FFFFFF	#000000	##FFFFFF
##25307B	1.00	11.75	1.79	11.75
#FFFFFF	11.75	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C7E

Deuteranopia (green-blind)

#00347A

Tritanopia (blue-blind)

#004250

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #25307b;
/* rgb */ color: rgb(37, 48, 123);
/* oklch */ color: oklch(34.9% 0.127 271.8);

Tailwind

colors: {
  custom: {
    50: '#6b68a2',
    500: '#25307b',
    950: '#000000',
  },
}

SCSS

$custom: #25307b;
$custom-light: #6b68a2;
$custom-dark: #000000;

JSON

{
  "hex": "#25307b",
  "rgb": {
    "r": 37,
    "g": 48,
    "b": 123
  },
  "hsl": {
    "h": 232.326,
    "s": 53.75,
    "l": 31.373
  },
  "oklch": {
    "l": 0.3488,
    "c": 0.12721,
    "h": 271.8
  },
  "luminance": 0.03937
}

Semantic roles & 50–950 ramp

primary

#25307B

secondary

#ADA14F

accent

#CA4BDD

background

#F6F6FA

surface

#ECEBF3

border

#C7C6CD

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #25307B

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

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