#253F7E#253F7E

#253F7E is a dark, moderate blue. Relative luminance 0.055; OKLCH L 38.4% C 0.111 H 264.8°. Best body text is #FFFFFF at 10.04:1 contrast (WCAG AA passes).

Color values

HEX	#253F7E
RGB	rgb(37, 63, 126)
HSL	hsl(222, 55%, 32%)
HSV	hsv(222, 71%, 49%)
CMYK	cmyk(70.6%, 50%, 0%, 50.6%)
CIE-LAB	lab(27.99, 12.79, -38.70)
CIE-LCH	lch(27.99, 40.76, 288.28°)
OKLab	oklab(38.37% -0.0101 -0.1109)
OKLCH	oklch(38.37% 0.111 264.8)
XYZ	xyz(6.3050, 5.4541, 20.4551)
Luminance	0.0546 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253F7E #7E6425

analogous

#256C7E #253F7E #38257E

triadic

#253F7E #7E253F #3F7E25

tetradic

#253F7E #7E256C #7E6425 #257E38

square

#253F7E #7E256C #7E6425 #257E38

split-complementary

#253F7E #7E3825 #6C7E25

monochromatic

#09101F #17274F #253F7E #3357AD #5175CC

Accessibility & contrast

On white

10.04

#253F7E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#253F7E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253F7E

10.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253F7E	#FFFFFF	#000000	##FFFFFF
##253F7E	1.00	10.04	2.09	10.04
#FFFFFF	10.04	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D4680

Deuteranopia (green-blind)

#073E7D

Tritanopia (blue-blind)

#004E58

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #253f7e;
/* rgb */ color: rgb(37, 63, 126);
/* oklch */ color: oklch(38.4% 0.111 264.8);

Tailwind

colors: {
  custom: {
    50: '#6b73a4',
    500: '#253f7e',
    950: '#000000',
  },
}

SCSS

$custom: #253f7e;
$custom-light: #6b73a4;
$custom-dark: #000000;

JSON

{
  "hex": "#253f7e",
  "rgb": {
    "r": 37,
    "g": 63,
    "b": 126
  },
  "hsl": {
    "h": 222.472,
    "s": 54.601,
    "l": 31.961
  },
  "oklch": {
    "l": 0.38369,
    "c": 0.11138,
    "h": 264.8
  },
  "luminance": 0.05455
}

Semantic roles & 50–950 ramp

primary

#253F7E

secondary

#B0944F

accent

#B34ADE

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#07080F

muted

#7A7B7F

Preview Lab

Preview with #253F7E

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

Preview Lab → · Contrast checker → · Palette generator →