#253CA9#253CA9

#253CA9 is a dark, vivid blue. Relative luminance 0.065; OKLCH L 41.4% C 0.176 H 268.1°. Best body text is #FFFFFF at 9.14:1 contrast (WCAG AA passes).

Color values

HEX	#253CA9
RGB	rgb(37, 60, 169)
HSL	hsl(230, 64%, 40%)
HSV	hsv(230, 78%, 66%)
CMYK	cmyk(78.1%, 64.5%, 0%, 33.7%)
CIE-LAB	lab(30.61, 31.43, -60.79)
CIE-LCH	lch(30.61, 68.43, 297.34°)
OKLab	oklab(41.41% -0.0057 -0.1759)
OKLCH	oklch(41.41% 0.176 268.1)
XYZ	xyz(9.5378, 6.4885, 38.2782)
Luminance	0.0649 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253CA9 #A99225

analogous

#257EA9 #253CA9 #5025A9

triadic

#253CA9 #A9253C #3CA925

tetradic

#253CA9 #A9257E #A99225 #25A950

square

#253CA9 #A9257E #A99225 #25A950

split-complementary

#253CA9 #A95025 #7EA925

monochromatic

#0F1845 #1A2A77 #253CA9 #3853D3 #6A7EDE

Accessibility & contrast

On white

9.14

#253CA9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.30

#253CA9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253CA9

9.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253CA9	#FFFFFF	#000000	##FFFFFF
##253CA9	1.00	9.14	2.30	9.14
#FFFFFF	9.14	1.00	21.00	1.00
#000000	2.30	21.00	1.00	21.00
##FFFFFF	9.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EAC

Deuteranopia (green-blind)

#0042A7

Tritanopia (blue-blind)

#00596D

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #253ca9;
/* rgb */ color: rgb(37, 60, 169);
/* oklch */ color: oklch(41.4% 0.176 268.1);

Tailwind

colors: {
  custom: {
    50: '#7571c4',
    500: '#253ca9',
    950: '#000000',
  },
}

SCSS

$custom: #253ca9;
$custom-light: #7571c4;
$custom-dark: #000000;

JSON

{
  "hex": "#253ca9",
  "rgb": {
    "r": 37,
    "g": 60,
    "b": 169
  },
  "hsl": {
    "h": 229.545,
    "s": 64.078,
    "l": 40.392
  },
  "oklch": {
    "l": 0.41413,
    "c": 0.17595,
    "h": 268.1
  },
  "luminance": 0.0649
}

Semantic roles & 50–950 ramp

primary

#253CA9

secondary

#C4B465

accent

#CA41E7

background

#F7F6FC

surface

#EEECF8

border

#C9C7D1

text

#0A0713

muted

#7C7A82

Preview Lab

Preview with #253CA9

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

Preview Lab → · Contrast checker → · Palette generator →