#253FC4#253FC4

#253FC4 is a dark, highly saturated blue. Relative luminance 0.079; OKLCH L 44.5% C 0.207 H 267.6°. Best body text is #FFFFFF at 8.12:1 contrast (WCAG AA passes).

Color values

HEX	#253FC4
RGB	rgb(37, 63, 196)
HSL	hsl(230, 68%, 46%)
HSV	hsv(230, 81%, 77%)
CMYK	cmyk(81.1%, 67.9%, 0%, 23.1%)
CIE-LAB	lab(33.84, 39.44, -71.48)
CIE-LCH	lch(33.84, 81.64, 298.89°)
OKLab	oklab(44.54% -0.0087 -0.2071)
OKLCH	oklch(44.54% 0.207 267.6)
XYZ	xyz(12.5008, 7.9324, 53.0861)
Luminance	0.0793 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253FC4 #C4AA25

analogous

#258EC4 #253FC4 #5B25C4

triadic

#253FC4 #C4253F #3FC425

tetradic

#253FC4 #C4258E #C4AA25 #25C45B

square

#253FC4 #C4258E #C4AA25 #25C45B

split-complementary

#253FC4 #C45B25 #8EC425

monochromatic

#121E5D #1B2E91 #253FC4 #4962DD #7D8EE6

Accessibility & contrast

On white

8.12

#253FC4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.59

#253FC4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253FC4

8.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253FC4	#FFFFFF	#000000	##FFFFFF
##253FC4	1.00	8.12	2.59	8.12
#FFFFFF	8.12	1.00	21.00	1.00
#000000	2.59	21.00	1.00	21.00
##FFFFFF	8.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057C8

Deuteranopia (green-blind)

#0048C2

Tritanopia (blue-blind)

#00647C

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #253fc4;
/* rgb */ color: rgb(37, 63, 196);
/* oklch */ color: oklch(44.5% 0.207 267.6);

Tailwind

colors: {
  custom: {
    50: '#7c74d7',
    500: '#253fc4',
    950: '#000000',
  },
}

SCSS

$custom: #253fc4;
$custom-light: #7c74d7;
$custom-dark: #000000;

JSON

{
  "hex": "#253fc4",
  "rgb": {
    "r": 37,
    "g": 63,
    "b": 196
  },
  "hsl": {
    "h": 230.189,
    "s": 68.24,
    "l": 45.686
  },
  "oklch": {
    "l": 0.44539,
    "c": 0.20726,
    "h": 267.6
  },
  "luminance": 0.07934
}

Semantic roles & 50–950 ramp

primary

#253FC4

secondary

#CFC076

accent

#CF3DEB

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0B0815

muted

#7C7B83

Preview Lab

Preview with #253FC4

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

Preview Lab → · Contrast checker → · Palette generator →