#252D9A#252D9A

#252D9A is a dark, vivid blue. Relative luminance 0.046; OKLCH L 37.3% C 0.174 H 271.3°. Best body text is #FFFFFF at 10.93:1 contrast (WCAG AA passes).

Color values

HEX	#252D9A
RGB	rgb(37, 45, 154)
HSL	hsl(236, 61%, 37%)
HSV	hsv(236, 76%, 60%)
CMYK	cmyk(76%, 70.8%, 0%, 39.6%)
CIE-LAB	lab(25.57, 35.58, -59.98)
CIE-LCH	lch(25.57, 69.74, 300.68°)
OKLab	oklab(37.3% 0.004 -0.1736)
OKLCH	oklch(37.3% 0.174 271.3)
XYZ	xyz(7.5321, 4.6024, 31.0570)
Luminance	0.0460 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#252D9A #9A9225

analogous

#25689A #252D9A #57259A

triadic

#252D9A #9A252D #2D9A25

tetradic

#252D9A #9A2568 #9A9225 #259A57

square

#252D9A #9A2568 #9A9225 #259A57

split-complementary

#252D9A #9A5725 #689A25

monochromatic

#0D1037 #191F69 #252D9A #313BCB #6069D9

Accessibility & contrast

On white

10.93

#252D9A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#252D9A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #252D9A

10.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##252D9A	#FFFFFF	#000000	##FFFFFF
##252D9A	1.00	10.93	1.92	10.93
#FFFFFF	10.93	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00429D

Deuteranopia (green-blind)

#003798

Tritanopia (blue-blind)

#004B60

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #252d9a;
/* rgb */ color: rgb(37, 45, 154);
/* oklch */ color: oklch(37.3% 0.174 271.3);

Tailwind

colors: {
  custom: {
    50: '#7366b9',
    500: '#252d9a',
    950: '#000000',
  },
}

SCSS

$custom: #252d9a;
$custom-light: #7366b9;
$custom-dark: #000000;

JSON

{
  "hex": "#252d9a",
  "rgb": {
    "r": 37,
    "g": 45,
    "b": 154
  },
  "hsl": {
    "h": 235.897,
    "s": 61.257,
    "l": 37.451
  },
  "oklch": {
    "l": 0.37303,
    "c": 0.17362,
    "h": 271.3
  },
  "luminance": 0.04603
}

Semantic roles & 50–950 ramp

primary

#252D9A

secondary

#BEB75D

accent

#D943E4

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#090612

muted

#7B7A81

Preview Lab

Preview with #252D9A

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

Preview Lab → · Contrast checker → · Palette generator →