#252A8E#252A8E

#252A8E is a dark, vivid blue. Relative luminance 0.040; OKLCH L 35.6% C 0.161 H 272.6°. Best body text is #FFFFFF at 11.66:1 contrast (WCAG AA passes).

Color values

HEX	#252A8E
RGB	rgb(37, 42, 142)
HSL	hsl(237, 59%, 35%)
HSV	hsv(237, 74%, 56%)
CMYK	cmyk(73.9%, 70.4%, 0%, 44.3%)
CIE-LAB	lab(23.68, 33.15, -55.70)
CIE-LCH	lch(23.68, 64.82, 300.76°)
OKLab	oklab(35.57% 0.0072 -0.1611)
OKLCH	oklch(35.57% 0.161 272.6)
XYZ	xyz(6.4718, 4.0016, 26.0173)
Luminance	0.0400 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#252A8E #8E8925

analogous

#255E8E #252A8E #55258E

triadic

#252A8E #8E252A #2A8E25

tetradic

#252A8E #8E255E #8E8925 #258E55

square

#252A8E #8E255E #8E8925 #258E55

split-complementary

#252A8E #8E5525 #5E8E25

monochromatic

#0C0D2D #181C5D #252A8E #3238BF #5A5FD4

Accessibility & contrast

On white

11.66

#252A8E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#252A8E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #252A8E

11.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##252A8E	#FFFFFF	#000000	##FFFFFF
##252A8E	1.00	11.66	1.80	11.66
#FFFFFF	11.66	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D91

Deuteranopia (green-blind)

#00338C

Tritanopia (blue-blind)

#004558

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #252a8e;
/* rgb */ color: rgb(37, 42, 142);
/* oklch */ color: oklch(35.6% 0.161 272.6);

Tailwind

colors: {
  custom: {
    50: '#7064b0',
    500: '#252a8e',
    950: '#000000',
  },
}

SCSS

$custom: #252a8e;
$custom-light: #7064b0;
$custom-dark: #000000;

JSON

{
  "hex": "#252a8e",
  "rgb": {
    "r": 37,
    "g": 42,
    "b": 142
  },
  "hsl": {
    "h": 237.143,
    "s": 58.659,
    "l": 35.098
  },
  "oklch": {
    "l": 0.35574,
    "c": 0.16123,
    "h": 272.6
  },
  "luminance": 0.04002
}

Semantic roles & 50–950 ramp

primary

#252A8E

secondary

#B9B456

accent

#DA46E2

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090511

muted

#7B7A80

Preview Lab

Preview with #252A8E

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

Preview Lab → · Contrast checker → · Palette generator →