#253A72#253A72

#253A72 is a dark, moderate blue. Relative luminance 0.046; OKLCH L 36.3% C 0.100 H 266.1°. Best body text is #FFFFFF at 10.90:1 contrast (WCAG AA passes).

Color values

HEX	#253A72
RGB	rgb(37, 58, 114)
HSL	hsl(224, 51%, 30%)
HSV	hsv(224, 68%, 45%)
CMYK	cmyk(67.5%, 49.1%, 0%, 55.3%)
CIE-LAB	lab(25.66, 11.58, -34.86)
CIE-LCH	lch(25.66, 36.73, 288.37°)
OKLab	oklab(36.33% -0.0068 -0.0997)
OKLCH	oklch(36.33% 0.1 266.1)
XYZ	xyz(5.3122, 4.6338, 16.5308)
Luminance	0.0463 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253A72 #725D25

analogous

#256172 #253A72 #362572

triadic

#253A72 #72253A #3A7225

tetradic

#253A72 #722561 #725D25 #257236

square

#253A72 #722561 #725D25 #257236

split-complementary

#253A72 #723625 #617225

monochromatic

#070C17 #162244 #253A72 #3452A0 #4C6DC5

Accessibility & contrast

On white

10.90

#253A72 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#253A72 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253A72

10.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253A72	#FFFFFF	#000000	##FFFFFF
##253A72	1.00	10.90	1.93	10.90
#FFFFFF	10.90	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E4174

Deuteranopia (green-blind)

#0F3A71

Tritanopia (blue-blind)

#004750

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #253a72;
/* rgb */ color: rgb(37, 58, 114);
/* oklch */ color: oklch(36.3% 0.100 266.1);

Tailwind

colors: {
  custom: {
    50: '#686f9b',
    500: '#253a72',
    950: '#000000',
  },
}

SCSS

$custom: #253a72;
$custom-light: #686f9b;
$custom-dark: #000000;

JSON

{
  "hex": "#253a72",
  "rgb": {
    "r": 37,
    "g": 58,
    "b": 114
  },
  "hsl": {
    "h": 223.636,
    "s": 50.993,
    "l": 29.608
  },
  "oklch": {
    "l": 0.36326,
    "c": 0.09994,
    "h": 266.1
  },
  "luminance": 0.04634
}

Semantic roles & 50–950 ramp

primary

#253A72

secondary

#A58D4E

accent

#B44DDA

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#07070E

muted

#7A7A7E

Preview Lab

Preview with #253A72

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

Preview Lab → · Contrast checker → · Palette generator →