#252BAF#252BAF

#252BAF is a dark, highly saturated blue. Relative luminance 0.052; OKLCH L 39.2% C 0.202 H 270.5°. Best body text is #FFFFFF at 10.28:1 contrast (WCAG AA passes).

Color values

HEX	#252BAF
RGB	rgb(37, 43, 175)
HSL	hsl(237, 65%, 42%)
HSV	hsv(237, 79%, 69%)
CMYK	cmyk(78.9%, 75.4%, 0%, 31.4%)
CIE-LAB	lab(27.34, 44.11, -69.77)
CIE-LCH	lch(27.34, 82.55, 302.30°)
OKLab	oklab(39.22% 0.0018 -0.2021)
OKLCH	oklch(39.22% 0.202 270.5)
XYZ	xyz(9.3621, 5.2152, 41.0623)
Luminance	0.0522 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#252BAF #AFA925

analogous

#2570AF #252BAF #6425AF

triadic

#252BAF #AF252B #2BAF25

tetradic

#252BAF #AF2570 #AFA925 #25AF64

square

#252BAF #AF2570 #AFA925 #25AF64

split-complementary

#252BAF #AF6425 #70AF25

monochromatic

#10124A #1A1F7C #252BAF #3C42D6 #6E73E0

Accessibility & contrast

On white

10.28

#252BAF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#252BAF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #252BAF

10.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##252BAF	#FFFFFF	#000000	##FFFFFF
##252BAF	1.00	10.28	2.04	10.28
#FFFFFF	10.28	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047B3

Deuteranopia (green-blind)

#003AAD

Tritanopia (blue-blind)

#00526B

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #252baf;
/* rgb */ color: rgb(37, 43, 175);
/* oklch */ color: oklch(39.2% 0.202 270.5);

Tailwind

colors: {
  custom: {
    50: '#7966c8',
    500: '#252baf',
    950: '#000000',
  },
}

SCSS

$custom: #252baf;
$custom-light: #7966c8;
$custom-dark: #000000;

JSON

{
  "hex": "#252baf",
  "rgb": {
    "r": 37,
    "g": 43,
    "b": 175
  },
  "hsl": {
    "h": 237.391,
    "s": 65.094,
    "l": 41.569
  },
  "oklch": {
    "l": 0.39224,
    "c": 0.20208,
    "h": 270.5
  },
  "luminance": 0.05216
}

Semantic roles & 50–950 ramp

primary

#252BAF

secondary

#C7C369

accent

#E140E8

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #252BAF

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

Preview Lab → · Contrast checker → · Palette generator →