#253C80#253C80

#253C80 is a dark, moderate blue. Relative luminance 0.052; OKLCH L 37.9% C 0.118 H 266.6°. Best body text is #FFFFFF at 10.31:1 contrast (WCAG AA passes).

Color values

HEX	#253C80
RGB	rgb(37, 60, 128)
HSL	hsl(225, 55%, 32%)
HSV	hsv(225, 71%, 50%)
CMYK	cmyk(71.1%, 53.1%, 0%, 49.8%)
CIE-LAB	lab(27.25, 15.65, -41.15)
CIE-LCH	lch(27.25, 44.02, 290.82°)
OKLab	oklab(37.85% -0.0069 -0.1182)
OKLCH	oklch(37.85% 0.118 266.6)
XYZ	xyz(6.2737, 5.1829, 21.0877)
Luminance	0.0518 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253C80 #806925

analogous

#256A80 #253C80 #3B2580

triadic

#253C80 #80253C #3C8025

tetradic

#253C80 #80256A #806925 #25803B

square

#253C80 #80256A #806925 #25803B

split-complementary

#253C80 #803B25 #6A8025

monochromatic

#0A0F21 #172651 #253C80 #3352AF #5271CD

Accessibility & contrast

On white

10.31

#253C80 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#253C80 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253C80

10.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253C80	#FFFFFF	#000000	##FFFFFF
##253C80	1.00	10.31	2.04	10.31
#FFFFFF	10.31	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#124582

Deuteranopia (green-blind)

#003C7F

Tritanopia (blue-blind)

#004C58

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #253c80;
/* rgb */ color: rgb(37, 60, 128);
/* oklch */ color: oklch(37.9% 0.118 266.6);

Tailwind

colors: {
  custom: {
    50: '#6b71a5',
    500: '#253c80',
    950: '#000000',
  },
}

SCSS

$custom: #253c80;
$custom-light: #6b71a5;
$custom-dark: #000000;

JSON

{
  "hex": "#253c80",
  "rgb": {
    "r": 37,
    "g": 60,
    "b": 128
  },
  "hsl": {
    "h": 224.835,
    "s": 55.152,
    "l": 32.353
  },
  "oklch": {
    "l": 0.3785,
    "c": 0.11838,
    "h": 266.6
  },
  "luminance": 0.05184
}

Semantic roles & 50–950 ramp

primary

#253C80

secondary

#B19950

accent

#B949DE

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #253C80

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

Preview Lab → · Contrast checker → · Palette generator →