#25307D#25307D

#25307D is a dark, vivid blue. Relative luminance 0.040; OKLCH L 35.1% C 0.130 H 271.7°. Best body text is #FFFFFF at 11.68:1 contrast (WCAG AA passes).

Color values

HEX	#25307D
RGB	rgb(37, 48, 125)
HSL	hsl(233, 54%, 32%)
HSV	hsv(233, 70%, 49%)
CMYK	cmyk(70.4%, 61.6%, 0%, 51%)
CIE-LAB	lab(23.63, 22.81, -45.13)
CIE-LCH	lch(23.63, 50.57, 296.82°)
OKLab	oklab(35.06% 0.0039 -0.1301)
OKLCH	oklch(35.06% 0.13 271.7)
XYZ	xyz(5.5203, 3.9874, 19.8768)
Luminance	0.0399 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#25307D #7D7225

analogous

#255C7D #25307D #46257D

triadic

#25307D #7D2530 #307D25

tetradic

#25307D #7D255C #7D7225 #257D46

square

#25307D #7D255C #7D7225 #257D46

split-complementary

#25307D #7D4625 #5C7D25

monochromatic

#090C1F #171E4E #25307D #3342AC #5160CB

Accessibility & contrast

On white

11.68

#25307D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#25307D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #25307D

11.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##25307D	#FFFFFF	#000000	##FFFFFF
##25307D	1.00	11.68	1.80	11.68
#FFFFFF	11.68	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C80

Deuteranopia (green-blind)

#00347B

Tritanopia (blue-blind)

#004351

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #25307d;
/* rgb */ color: rgb(37, 48, 125);
/* oklch */ color: oklch(35.1% 0.130 271.7);

Tailwind

colors: {
  custom: {
    50: '#6c68a3',
    500: '#25307d',
    950: '#000000',
  },
}

SCSS

$custom: #25307d;
$custom-light: #6c68a3;
$custom-dark: #000000;

JSON

{
  "hex": "#25307d",
  "rgb": {
    "r": 37,
    "g": 48,
    "b": 125
  },
  "hsl": {
    "h": 232.5,
    "s": 54.321,
    "l": 31.765
  },
  "oklch": {
    "l": 0.35058,
    "c": 0.13012,
    "h": 271.7
  },
  "luminance": 0.03988
}

Semantic roles & 50–950 ramp

primary

#25307D

secondary

#AFA34F

accent

#CB4ADE

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#08060F

muted

#7A7A7F

Preview Lab

Preview with #25307D

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

Preview Lab → · Contrast checker → · Palette generator →