#253D9D#253D9D

#253D9D is a dark, vivid blue. Relative luminance 0.062; OKLCH L 40.5% C 0.159 H 267.8°. Best body text is #FFFFFF at 9.40:1 contrast (WCAG AA passes).

Color values

HEX	#253D9D
RGB	rgb(37, 61, 157)
HSL	hsl(228, 62%, 38%)
HSV	hsv(228, 76%, 62%)
CMYK	cmyk(76.4%, 61.1%, 0%, 38.4%)
CIE-LAB	lab(29.82, 26.22, -54.84)
CIE-LCH	lch(29.82, 60.78, 295.55°)
OKLab	oklab(40.51% -0.0062 -0.1584)
OKLCH	oklch(40.51% 0.159 267.8)
XYZ	xyz(8.5154, 6.1642, 32.6328)
Luminance	0.0617 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253D9D #9D8525

analogous

#25799D #253D9D #49259D

triadic

#253D9D #9D253D #3D9D25

tetradic

#253D9D #9D2579 #9D8525 #259D49

square

#253D9D #9D2579 #9D8525 #259D49

split-complementary

#253D9D #9D4925 #799D25

monochromatic

#0E173A #192A6B #253D9D #3150CE #627ADA

Accessibility & contrast

On white

9.40

#253D9D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#253D9D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253D9D

9.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253D9D	#FFFFFF	#000000	##FFFFFF
##253D9D	1.00	9.40	2.23	9.40
#FFFFFF	9.40	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CA0

Deuteranopia (green-blind)

#00419B

Tritanopia (blue-blind)

#005567

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #253d9d;
/* rgb */ color: rgb(37, 61, 157);
/* oklch */ color: oklch(40.5% 0.159 267.8);

Tailwind

colors: {
  custom: {
    50: '#7272bb',
    500: '#253d9d',
    950: '#000000',
  },
}

SCSS

$custom: #253d9d;
$custom-light: #7272bb;
$custom-dark: #000000;

JSON

{
  "hex": "#253d9d",
  "rgb": {
    "r": 37,
    "g": 61,
    "b": 157
  },
  "hsl": {
    "h": 228,
    "s": 61.856,
    "l": 38.039
  },
  "oklch": {
    "l": 0.40505,
    "c": 0.15853,
    "h": 267.8
  },
  "luminance": 0.06165
}

Semantic roles & 50–950 ramp

primary

#253D9D

secondary

#BFAC5E

accent

#C543E5

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #253D9D

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

Preview Lab → · Contrast checker → · Palette generator →