#253D72#253D72

#253D72 is a dark, moderate blue. Relative luminance 0.049; OKLCH L 37.0% C 0.096 H 264.0°. Best body text is #FFFFFF at 10.56:1 contrast (WCAG AA passes).

Color values

HEX	#253D72
RGB	rgb(37, 61, 114)
HSL	hsl(221, 51%, 30%)
HSV	hsv(221, 68%, 45%)
CMYK	cmyk(67.5%, 46.5%, 0%, 55.3%)
CIE-LAB	lab(26.58, 9.49, -33.40)
CIE-LCH	lch(26.58, 34.72, 285.87°)
OKLab	oklab(37.03% -0.0101 -0.0954)
OKLCH	oklch(37.03% 0.096 264)
XYZ	xyz(5.4679, 4.9452, 16.5827)
Luminance	0.0495 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253D72 #725A25

analogous

#256372 #253D72 #342572

triadic

#253D72 #72253D #3D7225

tetradic

#253D72 #722563 #725A25 #257234

square

#253D72 #722563 #725A25 #257234

split-complementary

#253D72 #723425 #637225

monochromatic

#070C17 #162444 #253D72 #3456A0 #4C72C5

Accessibility & contrast

On white

10.56

#253D72 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#253D72 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253D72

10.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253D72	#FFFFFF	#000000	##FFFFFF
##253D72	1.00	10.56	1.99	10.56
#FFFFFF	10.56	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#244374

Deuteranopia (green-blind)

#173C71

Tritanopia (blue-blind)

#004952

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #253d72;
/* rgb */ color: rgb(37, 61, 114);
/* oklch */ color: oklch(37.0% 0.096 264.0);

Tailwind

colors: {
  custom: {
    50: '#68729b',
    500: '#253d72',
    950: '#000000',
  },
}

SCSS

$custom: #253d72;
$custom-light: #68729b;
$custom-dark: #000000;

JSON

{
  "hex": "#253d72",
  "rgb": {
    "r": 37,
    "g": 61,
    "b": 114
  },
  "hsl": {
    "h": 221.299,
    "s": 50.993,
    "l": 29.608
  },
  "oklch": {
    "l": 0.37026,
    "c": 0.09589,
    "h": 264
  },
  "luminance": 0.04946
}

Semantic roles & 50–950 ramp

primary

#253D72

secondary

#A58A4E

accent

#AE4DDA

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#07070E

muted

#7A7A7E

Preview Lab

Preview with #253D72

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

Preview Lab → · Contrast checker → · Palette generator →