#252D9E#252D9E

#252D9E is a dark, vivid blue. Relative luminance 0.047; OKLCH L 37.7% C 0.179 H 271.1°. Best body text is #FFFFFF at 10.78:1 contrast (WCAG AA passes).

Color values

HEX	#252D9E
RGB	rgb(37, 45, 158)
HSL	hsl(236, 62%, 38%)
HSV	hsv(236, 77%, 62%)
CMYK	cmyk(76.6%, 71.5%, 0%, 38%)
CIE-LAB	lab(25.97, 37.01, -61.76)
CIE-LCH	lch(25.97, 72.00, 300.93°)
OKLab	oklab(37.72% 0.0035 -0.1787)
OKLCH	oklch(37.72% 0.179 271.1)
XYZ	xyz(7.8708, 4.7379, 32.8408)
Luminance	0.0474 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#252D9E #9E9625

analogous

#25699E #252D9E #59259E

triadic

#252D9E #9E252D #2D9E25

tetradic

#252D9E #9E2569 #9E9625 #259E59

square

#252D9E #9E2569 #9E9625 #259E59

split-complementary

#252D9E #9E5925 #699E25

monochromatic

#0E113B #191F6C #252D9E #313CCF #636BDA

Accessibility & contrast

On white

10.78

#252D9E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#252D9E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #252D9E

10.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##252D9E	#FFFFFF	#000000	##FFFFFF
##252D9E	1.00	10.78	1.95	10.78
#FFFFFF	10.78	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0043A1

Deuteranopia (green-blind)

#00389C

Tritanopia (blue-blind)

#004D62

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #252d9e;
/* rgb */ color: rgb(37, 45, 158);
/* oklch */ color: oklch(37.7% 0.179 271.1);

Tailwind

colors: {
  custom: {
    50: '#7467bc',
    500: '#252d9e',
    950: '#000000',
  },
}

SCSS

$custom: #252d9e;
$custom-light: #7467bc;
$custom-dark: #000000;

JSON

{
  "hex": "#252d9e",
  "rgb": {
    "r": 37,
    "g": 45,
    "b": 158
  },
  "hsl": {
    "h": 236.033,
    "s": 62.051,
    "l": 38.235
  },
  "oklch": {
    "l": 0.37716,
    "c": 0.17878,
    "h": 271.1
  },
  "luminance": 0.04739
}

Semantic roles & 50–950 ramp

primary

#252D9E

secondary

#C0B95F

accent

#DA43E5

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #252D9E

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

Preview Lab → · Contrast checker → · Palette generator →