#253C82#253C82

#253C82 is a dark, vivid blue. Relative luminance 0.052; OKLCH L 38.0% C 0.121 H 266.8°. Best body text is #FFFFFF at 10.26:1 contrast (WCAG AA passes).

Color values

HEX	#253C82
RGB	rgb(37, 60, 130)
HSL	hsl(225, 56%, 33%)
HSV	hsv(225, 72%, 51%)
CMYK	cmyk(71.5%, 53.8%, 0%, 49%)
CIE-LAB	lab(27.40, 16.43, -42.16)
CIE-LCH	lch(27.40, 45.25, 291.29°)
OKLab	oklab(38.01% -0.0067 -0.1212)
OKLCH	oklch(38.01% 0.121 266.8)
XYZ	xyz(6.4067, 5.2361, 21.7878)
Luminance	0.0524 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253C82 #826B25

analogous

#256B82 #253C82 #3C2582

triadic

#253C82 #82253C #3C8225

tetradic

#253C82 #82256B #826B25 #25823C

square

#253C82 #82256B #826B25 #25823C

split-complementary

#253C82 #823C25 #6B8225

monochromatic

#0A1023 #172652 #253C82 #3352B2 #5372CE

Accessibility & contrast

On white

10.26

#253C82 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#253C82 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253C82

10.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253C82	#FFFFFF	#000000	##FFFFFF
##253C82	1.00	10.26	2.05	10.26
#FFFFFF	10.26	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F4584

Deuteranopia (green-blind)

#003D81

Tritanopia (blue-blind)

#004D59

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #253c82;
/* rgb */ color: rgb(37, 60, 130);
/* oklch */ color: oklch(38.0% 0.121 266.8);

Tailwind

colors: {
  custom: {
    50: '#6c71a7',
    500: '#253c82',
    950: '#000000',
  },
}

SCSS

$custom: #253c82;
$custom-light: #6c71a7;
$custom-dark: #000000;

JSON

{
  "hex": "#253c82",
  "rgb": {
    "r": 37,
    "g": 60,
    "b": 130
  },
  "hsl": {
    "h": 225.161,
    "s": 55.689,
    "l": 32.745
  },
  "oklch": {
    "l": 0.38009,
    "c": 0.12135,
    "h": 266.8
  },
  "luminance": 0.05237
}

Semantic roles & 50–950 ramp

primary

#253C82

secondary

#B29A50

accent

#BA49DF

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#08070F

muted

#7A7A7F

Preview Lab

Preview with #253C82

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

Preview Lab → · Contrast checker → · Palette generator →