#253D84#253D84

#253D84 is a dark, vivid blue. Relative luminance 0.054; OKLCH L 38.4% C 0.123 H 266.5°. Best body text is #FFFFFF at 10.10:1 contrast (WCAG AA passes).

Color values

HEX	#253D84
RGB	rgb(37, 61, 132)
HSL	hsl(225, 56%, 33%)
HSV	hsv(225, 72%, 52%)
CMYK	cmyk(72%, 53.8%, 0%, 48.2%)
CIE-LAB	lab(27.83, 16.52, -42.70)
CIE-LCH	lch(27.83, 45.78, 291.15°)
OKLab	oklab(38.39% -0.0075 -0.1227)
OKLCH	oklch(38.39% 0.123 266.5)
XYZ	xyz(6.5951, 5.3961, 22.5193)
Luminance	0.0540 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253D84 #846C25

analogous

#256C84 #253D84 #3C2584

triadic

#253D84 #84253D #3D8425

tetradic

#253D84 #84256C #846C25 #25843C

square

#253D84 #84256C #846C25 #25843C

split-complementary

#253D84 #843C25 #6C8425

monochromatic

#0A1124 #182754 #253D84 #3253B4 #5473CF

Accessibility & contrast

On white

10.10

#253D84 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#253D84 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253D84

10.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253D84	#FFFFFF	#000000	##FFFFFF
##253D84	1.00	10.10	2.08	10.10
#FFFFFF	10.10	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F4687

Deuteranopia (green-blind)

#003E83

Tritanopia (blue-blind)

#004E5A

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #253d84;
/* rgb */ color: rgb(37, 61, 132);
/* oklch */ color: oklch(38.4% 0.123 266.5);

Tailwind

colors: {
  custom: {
    50: '#6c72a8',
    500: '#253d84',
    950: '#000000',
  },
}

SCSS

$custom: #253d84;
$custom-light: #6c72a8;
$custom-dark: #000000;

JSON

{
  "hex": "#253d84",
  "rgb": {
    "r": 37,
    "g": 61,
    "b": 132
  },
  "hsl": {
    "h": 224.842,
    "s": 56.213,
    "l": 33.137
  },
  "oklch": {
    "l": 0.38387,
    "c": 0.12296,
    "h": 266.5
  },
  "luminance": 0.05397
}

Semantic roles & 50–950 ramp

primary

#253D84

secondary

#B39B51

accent

#B948E0

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#080710

muted

#7A7A7F

Preview Lab

Preview with #253D84

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

Preview Lab → · Contrast checker → · Palette generator →