#253C6F#253C6F

#253C6F is a dark, moderate blue. Relative luminance 0.048; OKLCH L 36.6% C 0.093 H 264.1°. Best body text is #FFFFFF at 10.74:1 contrast (WCAG AA passes).

Color values

HEX	#253C6F
RGB	rgb(37, 60, 111)
HSL	hsl(221, 50%, 29%)
HSV	hsv(221, 67%, 44%)
CMYK	cmyk(66.7%, 45.9%, 0%, 56.5%)
CIE-LAB	lab(26.08, 9.02, -32.29)
CIE-LCH	lch(26.08, 33.52, 285.61°)
OKLab	oklab(36.58% -0.0095 -0.0921)
OKLCH	oklch(36.58% 0.093 264.1)
XYZ	xyz(5.2471, 4.7723, 15.6805)
Luminance	0.0477 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253C6F #6F5825

analogous

#25616F #253C6F #33256F

triadic

#253C6F #6F253C #3C6F25

tetradic

#253C6F #6F2561 #6F5825 #256F33

square

#253C6F #6F2561 #6F5825 #256F33

split-complementary

#253C6F #6F3325 #616F25

monochromatic

#080C17 #162341 #253C6F #34559D #4B71C3

Accessibility & contrast

On white

10.74

#253C6F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#253C6F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253C6F

10.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253C6F	#FFFFFF	#000000	##FFFFFF
##253C6F	1.00	10.74	1.95	10.74
#FFFFFF	10.74	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#244171

Deuteranopia (green-blind)

#193B6E

Tritanopia (blue-blind)

#004850

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #253c6f;
/* rgb */ color: rgb(37, 60, 111);
/* oklch */ color: oklch(36.6% 0.093 264.1);

Tailwind

colors: {
  custom: {
    50: '#687199',
    500: '#253c6f',
    950: '#000000',
  },
}

SCSS

$custom: #253c6f;
$custom-light: #687199;
$custom-dark: #000000;

JSON

{
  "hex": "#253c6f",
  "rgb": {
    "r": 37,
    "g": 60,
    "b": 111
  },
  "hsl": {
    "h": 221.351,
    "s": 50,
    "l": 29.02
  },
  "oklch": {
    "l": 0.36576,
    "c": 0.09262,
    "h": 264.1
  },
  "luminance": 0.04773
}

Semantic roles & 50–950 ramp

primary

#253C6F

secondary

#A2884E

accent

#AE4EDA

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#07070E

muted

#7A7A7E

Preview Lab

Preview with #253C6F

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

Preview Lab → · Contrast checker → · Palette generator →