#25307F#25307F

#25307F is a dark, vivid blue. Relative luminance 0.040; OKLCH L 35.2% C 0.133 H 271.7°. Best body text is #FFFFFF at 11.62:1 contrast (WCAG AA passes).

Color values

HEX	#25307F
RGB	rgb(37, 48, 127)
HSL	hsl(233, 55%, 32%)
HSV	hsv(233, 71%, 50%)
CMYK	cmyk(70.9%, 62.2%, 0%, 50.2%)
CIE-LAB	lab(23.80, 23.58, -46.11)
CIE-LCH	lch(23.80, 51.79, 297.08°)
OKLab	oklab(35.24% 0.0039 -0.133)
OKLCH	oklch(35.24% 0.133 271.7)
XYZ	xyz(5.6494, 4.0390, 20.5564)
Luminance	0.0404 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#25307F #7F7425

analogous

#255D7F #25307F #47257F

triadic

#25307F #7F2530 #307F25

tetradic

#25307F #7F255D #7F7425 #257F47

square

#25307F #7F255D #7F7425 #257F47

split-complementary

#25307F #7F4725 #5D7F25

monochromatic

#090C20 #171E50 #25307F #3342AE #5261CD

Accessibility & contrast

On white

11.62

#25307F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#25307F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #25307F

11.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##25307F	#FFFFFF	#000000	##FFFFFF
##25307F	1.00	11.62	1.81	11.62
#FFFFFF	11.62	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D82

Deuteranopia (green-blind)

#00357D

Tritanopia (blue-blind)

#004452

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #25307f;
/* rgb */ color: rgb(37, 48, 127);
/* oklch */ color: oklch(35.2% 0.133 271.7);

Tailwind

colors: {
  custom: {
    50: '#6c68a5',
    500: '#25307f',
    950: '#000000',
  },
}

SCSS

$custom: #25307f;
$custom-light: #6c68a5;
$custom-dark: #000000;

JSON

{
  "hex": "#25307f",
  "rgb": {
    "r": 37,
    "g": 48,
    "b": 127
  },
  "hsl": {
    "h": 232.667,
    "s": 54.878,
    "l": 32.157
  },
  "oklch": {
    "l": 0.35237,
    "c": 0.13302,
    "h": 271.7
  },
  "luminance": 0.0404
}

Semantic roles & 50–950 ramp

primary

#25307F

secondary

#B1A54F

accent

#CC4ADE

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#08060F

muted

#7A7A7F

Preview Lab

Preview with #25307F

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

Preview Lab → · Contrast checker → · Palette generator →