#252D7F#252D7F

#252D7F is a dark, vivid blue. Relative luminance 0.038; OKLCH L 34.7% C 0.137 H 272.7°. Best body text is #FFFFFF at 11.93:1 contrast (WCAG AA passes).

Color values

HEX	#252D7F
RGB	rgb(37, 45, 127)
HSL	hsl(235, 55%, 32%)
HSV	hsv(235, 71%, 50%)
CMYK	cmyk(70.9%, 64.6%, 0%, 50.2%)
CIE-LAB	lab(23.01, 25.63, -47.41)
CIE-LCH	lch(23.01, 53.89, 298.39°)
OKLab	oklab(34.65% 0.0064 -0.1368)
OKLCH	oklch(34.65% 0.137 272.7)
XYZ	xyz(5.5308, 3.8019, 20.5169)
Luminance	0.0380 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#252D7F #7F7725

analogous

#255A7F #252D7F #4A257F

triadic

#252D7F #7F252D #2D7F25

tetradic

#252D7F #7F255A #7F7725 #257F4A

square

#252D7F #7F255A #7F7725 #257F4A

split-complementary

#252D7F #7F4A25 #5A7F25

monochromatic

#090B20 #171C50 #252D7F #333EAE #525DCD

Accessibility & contrast

On white

11.93

#252D7F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#252D7F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #252D7F

11.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##252D7F	#FFFFFF	#000000	##FFFFFF
##252D7F	1.00	11.93	1.76	11.93
#FFFFFF	11.93	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B82

Deuteranopia (green-blind)

#00337D

Tritanopia (blue-blind)

#004251

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #252d7f;
/* rgb */ color: rgb(37, 45, 127);
/* oklch */ color: oklch(34.7% 0.137 272.7);

Tailwind

colors: {
  custom: {
    50: '#6c66a5',
    500: '#252d7f',
    950: '#000000',
  },
}

SCSS

$custom: #252d7f;
$custom-light: #6c66a5;
$custom-dark: #000000;

JSON

{
  "hex": "#252d7f",
  "rgb": {
    "r": 37,
    "g": 45,
    "b": 127
  },
  "hsl": {
    "h": 234.667,
    "s": 54.878,
    "l": 32.157
  },
  "oklch": {
    "l": 0.34651,
    "c": 0.13694,
    "h": 272.7
  },
  "luminance": 0.03802
}

Semantic roles & 50–950 ramp

primary

#252D7F

secondary

#B1A84F

accent

#D14ADE

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#08050F

muted

#7A7A7F

Preview Lab

Preview with #252D7F

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

Preview Lab → · Contrast checker → · Palette generator →