#253C73#253C73

#253C73 is a dark, moderate blue. Relative luminance 0.049; OKLCH L 36.9% C 0.099 H 264.9°. Best body text is #FFFFFF at 10.65:1 contrast (WCAG AA passes).

Color values

HEX	#253C73
RGB	rgb(37, 60, 115)
HSL	hsl(222, 51%, 30%)
HSV	hsv(222, 68%, 45%)
CMYK	cmyk(67.8%, 47.8%, 0%, 54.9%)
CIE-LAB	lab(26.34, 10.57, -34.41)
CIE-LCH	lch(26.34, 36.00, 287.08°)
OKLab	oklab(36.86% -0.0088 -0.0984)
OKLCH	oklch(36.86% 0.099 264.9)
XYZ	xyz(5.4722, 4.8623, 16.8665)
Luminance	0.0486 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253C73 #735C25

analogous

#256373 #253C73 #352573

triadic

#253C73 #73253C #3C7325

tetradic

#253C73 #732563 #735C25 #257335

square

#253C73 #732563 #735C25 #257335

split-complementary

#253C73 #733525 #637325

monochromatic

#070C17 #162445 #253C73 #3454A1 #4D70C6

Accessibility & contrast

On white

10.65

#253C73 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#253C73 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253C73

10.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253C73	#FFFFFF	#000000	##FFFFFF
##253C73	1.00	10.65	1.97	10.65
#FFFFFF	10.65	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#214275

Deuteranopia (green-blind)

#133B72

Tritanopia (blue-blind)

#004952

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #253c73;
/* rgb */ color: rgb(37, 60, 115);
/* oklch */ color: oklch(36.9% 0.099 264.9);

Tailwind

colors: {
  custom: {
    50: '#69719c',
    500: '#253c73',
    950: '#000000',
  },
}

SCSS

$custom: #253c73;
$custom-light: #69719c;
$custom-dark: #000000;

JSON

{
  "hex": "#253c73",
  "rgb": {
    "r": 37,
    "g": 60,
    "b": 115
  },
  "hsl": {
    "h": 222.308,
    "s": 51.316,
    "l": 29.804
  },
  "oklch": {
    "l": 0.36863,
    "c": 0.09876,
    "h": 264.9
  },
  "luminance": 0.04863
}

Semantic roles & 50–950 ramp

primary

#253C73

secondary

#A68C4E

accent

#B14DDB

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#07070E

muted

#7A7A7E

Preview Lab

Preview with #253C73

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

Preview Lab → · Contrast checker → · Palette generator →