#253CA7#253CA7

#253CA7 is a dark, vivid blue. Relative luminance 0.064; OKLCH L 41.2% C 0.173 H 268.1°. Best body text is #FFFFFF at 9.20:1 contrast (WCAG AA passes).

Color values

HEX	#253CA7
RGB	rgb(37, 60, 167)
HSL	hsl(229, 64%, 40%)
HSV	hsv(229, 78%, 65%)
CMYK	cmyk(77.8%, 64.1%, 0%, 34.5%)
CIE-LAB	lab(30.43, 30.68, -59.88)
CIE-LCH	lch(30.43, 67.28, 297.13°)
OKLab	oklab(41.23% -0.0057 -0.1732)
OKLCH	oklch(41.23% 0.173 268.1)
XYZ	xyz(9.3514, 6.4140, 37.2969)
Luminance	0.0641 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253CA7 #A79025

analogous

#257DA7 #253CA7 #4F25A7

triadic

#253CA7 #A7253C #3CA725

tetradic

#253CA7 #A7257D #A79025 #25A74F

square

#253CA7 #A7257D #A79025 #25A74F

split-complementary

#253CA7 #A74F25 #7DA725

monochromatic

#0F1843 #1A2A75 #253CA7 #3752D3 #697DDE

Accessibility & contrast

On white

9.20

#253CA7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.28

#253CA7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253CA7

9.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253CA7	#FFFFFF	#000000	##FFFFFF
##253CA7	1.00	9.20	2.28	9.20
#FFFFFF	9.20	1.00	21.00	1.00
#000000	2.28	21.00	1.00	21.00
##FFFFFF	9.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EAA

Deuteranopia (green-blind)

#0042A5

Tritanopia (blue-blind)

#00586C

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #253ca7;
/* rgb */ color: rgb(37, 60, 167);
/* oklch */ color: oklch(41.2% 0.173 268.1);

Tailwind

colors: {
  custom: {
    50: '#7571c2',
    500: '#253ca7',
    950: '#000000',
  },
}

SCSS

$custom: #253ca7;
$custom-light: #7571c2;
$custom-dark: #000000;

JSON

{
  "hex": "#253ca7",
  "rgb": {
    "r": 37,
    "g": 60,
    "b": 167
  },
  "hsl": {
    "h": 229.385,
    "s": 63.725,
    "l": 40
  },
  "oklch": {
    "l": 0.41226,
    "c": 0.17329,
    "h": 268.1
  },
  "luminance": 0.06415
}

Semantic roles & 50–950 ramp

primary

#253CA7

secondary

#C4B364

accent

#C941E7

background

#F7F6FC

surface

#EEECF8

border

#C9C7D1

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #253CA7

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

Preview Lab → · Contrast checker → · Palette generator →