#252FB0#252FB0

#252FB0 is a dark, vivid blue. Relative luminance 0.056; OKLCH L 39.9% C 0.199 H 270.0°. Best body text is #FFFFFF at 9.94:1 contrast (WCAG AA passes).

Color values

HEX	#252FB0
RGB	rgb(37, 47, 176)
HSL	hsl(236, 65%, 42%)
HSV	hsv(236, 79%, 69%)
CMYK	cmyk(79%, 73.3%, 0%, 31%)
CIE-LAB	lab(28.27, 42.13, -68.83)
CIE-LCH	lch(28.27, 80.70, 301.47°)
OKLab	oklab(39.92% 0.0001 -0.1993)
OKLCH	oklch(39.92% 0.199 270)
XYZ	xyz(9.6133, 5.5598, 41.6324)
Luminance	0.0556 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#252FB0 #B0A625

analogous

#2575B0 #252FB0 #6025B0

triadic

#252FB0 #B0252F #2FB025

tetradic

#252FB0 #B02575 #B0A625 #25B060

square

#252FB0 #B02575 #B0A625 #25B060

split-complementary

#252FB0 #B06025 #75B025

monochromatic

#10144B #1A217D #252FB0 #3C47D6 #6F77E1

Accessibility & contrast

On white

9.94

#252FB0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.11

#252FB0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #252FB0

9.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##252FB0	#FFFFFF	#000000	##FFFFFF
##252FB0	1.00	9.94	2.11	9.94
#FFFFFF	9.94	1.00	21.00	1.00
#000000	2.11	21.00	1.00	21.00
##FFFFFF	9.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049B4

Deuteranopia (green-blind)

#003CAE

Tritanopia (blue-blind)

#00546D

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #252fb0;
/* rgb */ color: rgb(37, 47, 176);
/* oklch */ color: oklch(39.9% 0.199 270.0);

Tailwind

colors: {
  custom: {
    50: '#7869c9',
    500: '#252fb0',
    950: '#000000',
  },
}

SCSS

$custom: #252fb0;
$custom-light: #7869c9;
$custom-dark: #000000;

JSON

{
  "hex": "#252fb0",
  "rgb": {
    "r": 37,
    "g": 47,
    "b": 176
  },
  "hsl": {
    "h": 235.683,
    "s": 65.258,
    "l": 41.765
  },
  "oklch": {
    "l": 0.39921,
    "c": 0.19935,
    "h": 270
  },
  "luminance": 0.05561
}

Semantic roles & 50–950 ramp

primary

#252FB0

secondary

#C7C16A

accent

#DC40E8

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #252FB0

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

Preview Lab → · Contrast checker → · Palette generator →