#253B72#253B72

#253B72 is a dark, moderate blue. Relative luminance 0.047; OKLCH L 36.6% C 0.099 H 265.4°. Best body text is #FFFFFF at 10.78:1 contrast (WCAG AA passes).

Color values

HEX	#253B72
RGB	rgb(37, 59, 114)
HSL	hsl(223, 51%, 30%)
HSV	hsv(223, 68%, 45%)
CMYK	cmyk(67.5%, 48.2%, 0%, 55.3%)
CIE-LAB	lab(25.97, 10.88, -34.37)
CIE-LCH	lch(25.97, 36.05, 287.56°)
OKLab	oklab(36.56% -0.0079 -0.0983)
OKLCH	oklch(36.56% 0.099 265.4)
XYZ	xyz(5.3631, 4.7357, 16.5478)
Luminance	0.0474 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253B72 #725C25

analogous

#256272 #253B72 #362572

triadic

#253B72 #72253B #3B7225

tetradic

#253B72 #722562 #725C25 #257236

square

#253B72 #722562 #725C25 #257236

split-complementary

#253B72 #723625 #627225

monochromatic

#070C17 #162344 #253B72 #3453A0 #4C6FC5

Accessibility & contrast

On white

10.78

#253B72 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#253B72 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253B72

10.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253B72	#FFFFFF	#000000	##FFFFFF
##253B72	1.00	10.78	1.95	10.78
#FFFFFF	10.78	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#204174

Deuteranopia (green-blind)

#123A71

Tritanopia (blue-blind)

#004851

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #253b72;
/* rgb */ color: rgb(37, 59, 114);
/* oklch */ color: oklch(36.6% 0.099 265.4);

Tailwind

colors: {
  custom: {
    50: '#68709b',
    500: '#253b72',
    950: '#000000',
  },
}

SCSS

$custom: #253b72;
$custom-light: #68709b;
$custom-dark: #000000;

JSON

{
  "hex": "#253b72",
  "rgb": {
    "r": 37,
    "g": 59,
    "b": 114
  },
  "hsl": {
    "h": 222.857,
    "s": 50.993,
    "l": 29.608
  },
  "oklch": {
    "l": 0.36558,
    "c": 0.09858,
    "h": 265.4
  },
  "luminance": 0.04736
}

Semantic roles & 50–950 ramp

primary

#253B72

secondary

#A58C4E

accent

#B24DDA

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#07070E

muted

#7A7A7E

Preview Lab

Preview with #253B72

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

Preview Lab → · Contrast checker → · Palette generator →