#252D8E#252D8E

#252D8E is a dark, vivid blue. Relative luminance 0.042; OKLCH L 36.1% C 0.158 H 271.9°. Best body text is #FFFFFF at 11.38:1 contrast (WCAG AA passes).

Color values

HEX	#252D8E
RGB	rgb(37, 45, 142)
HSL	hsl(235, 59%, 35%)
HSV	hsv(235, 74%, 56%)
CMYK	cmyk(73.9%, 68.3%, 0%, 44.3%)
CIE-LAB	lab(24.39, 31.22, -54.52)
CIE-LCH	lch(24.39, 62.83, 299.79°)
OKLab	oklab(36.09% 0.0053 -0.1576)
OKLCH	oklch(36.09% 0.158 271.9)
XYZ	xyz(6.5822, 4.2224, 26.0541)
Luminance	0.0422 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#252D8E #8E8625

analogous

#25618E #252D8E #52258E

triadic

#252D8E #8E252D #2D8E25

tetradic

#252D8E #8E2561 #8E8625 #258E52

square

#252D8E #8E2561 #8E8625 #258E52

split-complementary

#252D8E #8E5225 #618E25

monochromatic

#0C0E2D #181E5D #252D8E #323CBF #5A63D4

Accessibility & contrast

On white

11.38

#252D8E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#252D8E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #252D8E

11.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##252D8E	#FFFFFF	#000000	##FFFFFF
##252D8E	1.00	11.38	1.84	11.38
#FFFFFF	11.38	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F91

Deuteranopia (green-blind)

#00358C

Tritanopia (blue-blind)

#004759

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #252d8e;
/* rgb */ color: rgb(37, 45, 142);
/* oklch */ color: oklch(36.1% 0.158 271.9);

Tailwind

colors: {
  custom: {
    50: '#7066b0',
    500: '#252d8e',
    950: '#000000',
  },
}

SCSS

$custom: #252d8e;
$custom-light: #7066b0;
$custom-dark: #000000;

JSON

{
  "hex": "#252d8e",
  "rgb": {
    "r": 37,
    "g": 45,
    "b": 142
  },
  "hsl": {
    "h": 235.429,
    "s": 58.659,
    "l": 35.098
  },
  "oklch": {
    "l": 0.36093,
    "c": 0.15772,
    "h": 271.9
  },
  "luminance": 0.04223
}

Semantic roles & 50–950 ramp

primary

#252D8E

secondary

#B9B156

accent

#D646E2

background

#F7F6FA

surface

#EDEBF5

border

#C8C6CF

text

#090611

muted

#7B7A80

Preview Lab

Preview with #252D8E

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

Preview Lab → · Contrast checker → · Palette generator →