#252D9B#252D9B

#252D9B is a dark, vivid blue. Relative luminance 0.046; OKLCH L 37.4% C 0.175 H 271.3°. Best body text is #FFFFFF at 10.90:1 contrast (WCAG AA passes).

Color values

HEX	#252D9B
RGB	rgb(37, 45, 155)
HSL	hsl(236, 61%, 38%)
HSV	hsv(236, 76%, 61%)
CMYK	cmyk(76.1%, 71%, 0%, 39.2%)
CIE-LAB	lab(25.67, 35.94, -60.43)
CIE-LCH	lch(25.67, 70.31, 300.74°)
OKLab	oklab(37.41% 0.0039 -0.1749)
OKLCH	oklch(37.41% 0.175 271.3)
XYZ	xyz(7.6157, 4.6358, 31.4974)
Luminance	0.0464 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#252D9B #9B9325

analogous

#25689B #252D9B #58259B

triadic

#252D9B #9B252D #2D9B25

tetradic

#252D9B #9B2568 #9B9325 #259B58

square

#252D9B #9B2568 #9B9325 #259B58

split-complementary

#252D9B #9B5825 #689B25

monochromatic

#0D1038 #191F6A #252D9B #313BCC #6169D9

Accessibility & contrast

On white

10.90

#252D9B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#252D9B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #252D9B

10.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##252D9B	#FFFFFF	#000000	##FFFFFF
##252D9B	1.00	10.90	1.93	10.90
#FFFFFF	10.90	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00429E

Deuteranopia (green-blind)

#003799

Tritanopia (blue-blind)

#004C60

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #252d9b;
/* rgb */ color: rgb(37, 45, 155);
/* oklch */ color: oklch(37.4% 0.175 271.3);

Tailwind

colors: {
  custom: {
    50: '#7366ba',
    500: '#252d9b',
    950: '#000000',
  },
}

SCSS

$custom: #252d9b;
$custom-light: #7366ba;
$custom-dark: #000000;

JSON

{
  "hex": "#252d9b",
  "rgb": {
    "r": 37,
    "g": 45,
    "b": 155
  },
  "hsl": {
    "h": 235.932,
    "s": 61.458,
    "l": 37.647
  },
  "oklch": {
    "l": 0.37406,
    "c": 0.17491,
    "h": 271.3
  },
  "luminance": 0.04637
}

Semantic roles & 50–950 ramp

primary

#252D9B

secondary

#BFB85D

accent

#DA43E5

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#090612

muted

#7B7A81

Preview Lab

Preview with #252D9B

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

Preview Lab → · Contrast checker → · Palette generator →