#252FAC#252FAC

#252FAC is a dark, vivid blue. Relative luminance 0.054; OKLCH L 39.5% C 0.194 H 270.2°. Best body text is #FFFFFF at 10.09:1 contrast (WCAG AA passes).

Color values

HEX	#252FAC
RGB	rgb(37, 47, 172)
HSL	hsl(236, 65%, 41%)
HSV	hsv(236, 78%, 67%)
CMYK	cmyk(78.5%, 72.7%, 0%, 32.5%)
CIE-LAB	lab(27.86, 40.73, -67.12)
CIE-LCH	lch(27.86, 78.51, 301.25°)
OKLab	oklab(39.5% 0.0007 -0.1944)
OKLCH	oklch(39.5% 0.194 270.2)
XYZ	xyz(9.2233, 5.4039, 39.5787)
Luminance	0.0541 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#252FAC #ACA225

analogous

#2572AC #252FAC #5F25AC

triadic

#252FAC #AC252F #2FAC25

tetradic

#252FAC #AC2572 #ACA225 #25AC5F

square

#252FAC #AC2572 #ACA225 #25AC5F

split-complementary

#252FAC #AC5F25 #72AC25

monochromatic

#0F1347 #1A217A #252FAC #3A45D5 #6C75DF

Accessibility & contrast

On white

10.09

#252FAC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#252FAC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #252FAC

10.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##252FAC	#FFFFFF	#000000	##FFFFFF
##252FAC	1.00	10.09	2.08	10.09
#FFFFFF	10.09	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048B0

Deuteranopia (green-blind)

#003BAA

Tritanopia (blue-blind)

#00536A

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #252fac;
/* rgb */ color: rgb(37, 47, 172);
/* oklch */ color: oklch(39.5% 0.194 270.2);

Tailwind

colors: {
  custom: {
    50: '#7768c6',
    500: '#252fac',
    950: '#000000',
  },
}

SCSS

$custom: #252fac;
$custom-light: #7768c6;
$custom-dark: #000000;

JSON

{
  "hex": "#252fac",
  "rgb": {
    "r": 37,
    "g": 47,
    "b": 172
  },
  "hsl": {
    "h": 235.556,
    "s": 64.593,
    "l": 40.98
  },
  "oklch": {
    "l": 0.39497,
    "c": 0.19439,
    "h": 270.2
  },
  "luminance": 0.05405
}

Semantic roles & 50–950 ramp

primary

#252FAC

secondary

#C6BF67

accent

#DB40E8

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0A0613

muted

#7C7A82

Preview Lab

Preview with #252FAC

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

Preview Lab → · Contrast checker → · Palette generator →