#252A8F#252A8F

#252A8F is a dark, vivid blue. Relative luminance 0.040; OKLCH L 35.7% C 0.163 H 272.5°. Best body text is #FFFFFF at 11.63:1 contrast (WCAG AA passes).

Color values

HEX	#252A8F
RGB	rgb(37, 42, 143)
HSL	hsl(237, 59%, 35%)
HSV	hsv(237, 74%, 56%)
CMYK	cmyk(74.1%, 70.6%, 0%, 43.9%)
CIE-LAB	lab(23.78, 33.51, -56.16)
CIE-LCH	lch(23.78, 65.40, 300.83°)
OKLab	oklab(35.68% 0.0071 -0.1624)
OKLCH	oklch(35.68% 0.163 272.5)
XYZ	xyz(6.5472, 4.0318, 26.4144)
Luminance	0.0403 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#252A8F #8F8A25

analogous

#255F8F #252A8F #55258F

triadic

#252A8F #8F252A #2A8F25

tetradic

#252A8F #8F255F #8F8A25 #258F55

square

#252A8F #8F255F #8F8A25 #258F55

split-complementary

#252A8F #8F5525 #5F8F25

monochromatic

#0C0D2E #181C5E #252A8F #3238C0 #5A60D4

Accessibility & contrast

On white

11.63

#252A8F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#252A8F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #252A8F

11.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##252A8F	#FFFFFF	#000000	##FFFFFF
##252A8F	1.00	11.63	1.81	11.63
#FFFFFF	11.63	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E92

Deuteranopia (green-blind)

#00348D

Tritanopia (blue-blind)

#004659

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #252a8f;
/* rgb */ color: rgb(37, 42, 143);
/* oklch */ color: oklch(35.7% 0.163 272.5);

Tailwind

colors: {
  custom: {
    50: '#7164b1',
    500: '#252a8f',
    950: '#000000',
  },
}

SCSS

$custom: #252a8f;
$custom-light: #7164b1;
$custom-dark: #000000;

JSON

{
  "hex": "#252a8f",
  "rgb": {
    "r": 37,
    "g": 42,
    "b": 143
  },
  "hsl": {
    "h": 237.17,
    "s": 58.889,
    "l": 35.294
  },
  "oklch": {
    "l": 0.35676,
    "c": 0.16256,
    "h": 272.5
  },
  "luminance": 0.04032
}

Semantic roles & 50–950 ramp

primary

#252A8F

secondary

#B9B457

accent

#DB46E2

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090511

muted

#7B7A80

Preview Lab

Preview with #252A8F

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

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