#252FAE#252FAE

#252FAE is a dark, vivid blue. Relative luminance 0.055; OKLCH L 39.7% C 0.197 H 270.1°. Best body text is #FFFFFF at 10.02:1 contrast (WCAG AA passes).

Color values

HEX	#252FAE
RGB	rgb(37, 47, 174)
HSL	hsl(236, 65%, 41%)
HSV	hsv(236, 79%, 68%)
CMYK	cmyk(78.7%, 73%, 0%, 31.8%)
CIE-LAB	lab(28.06, 41.43, -67.98)
CIE-LCH	lch(28.06, 79.61, 301.36°)
OKLab	oklab(39.71% 0.0004 -0.1969)
OKLCH	oklch(39.71% 0.197 270.1)
XYZ	xyz(9.4168, 5.4813, 40.5979)
Luminance	0.0548 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#252FAE #AEA425

analogous

#2574AE #252FAE #6025AE

triadic

#252FAE #AE252F #2FAE25

tetradic

#252FAE #AE2574 #AEA425 #25AE60

square

#252FAE #AE2574 #AEA425 #25AE60

split-complementary

#252FAE #AE6025 #74AE25

monochromatic

#101449 #1A217C #252FAE #3B46D5 #6D76E0

Accessibility & contrast

On white

10.02

#252FAE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#252FAE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #252FAE

10.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##252FAE	#FFFFFF	#000000	##FFFFFF
##252FAE	1.00	10.02	2.10	10.02
#FFFFFF	10.02	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	10.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049B2

Deuteranopia (green-blind)

#003BAC

Tritanopia (blue-blind)

#00536B

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #252fae;
/* rgb */ color: rgb(37, 47, 174);
/* oklch */ color: oklch(39.7% 0.197 270.1);

Tailwind

colors: {
  custom: {
    50: '#7868c7',
    500: '#252fae',
    950: '#000000',
  },
}

SCSS

$custom: #252fae;
$custom-light: #7868c7;
$custom-dark: #000000;

JSON

{
  "hex": "#252fae",
  "rgb": {
    "r": 37,
    "g": 47,
    "b": 174
  },
  "hsl": {
    "h": 235.62,
    "s": 64.929,
    "l": 41.373
  },
  "oklch": {
    "l": 0.39709,
    "c": 0.19687,
    "h": 270.1
  },
  "luminance": 0.05482
}

Semantic roles & 50–950 ramp

primary

#252FAE

secondary

#C6C068

accent

#DC40E8

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #252FAE

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

Preview Lab → · Contrast checker → · Palette generator →