#253E6F#253E6F

#253E6F is a dark, moderate blue. Relative luminance 0.050; OKLCH L 37.1% C 0.090 H 262.5°. Best body text is #FFFFFF at 10.51:1 contrast (WCAG AA passes).

Color values

HEX#253E6F
RGBrgb(37, 62, 111)
HSLhsl(220, 50%, 29%)
HSVhsv(220, 67%, 44%)
CMYKcmyk(66.7%, 44.1%, 0%, 56.5%)
CIE-LABlab(26.69, 7.64, -31.30)
CIE-LCHlch(26.69, 32.22, 283.71°)
OKLaboklab(37.05% -0.0118 -0.0892)
OKLCHoklch(37.05% 0.09 262.5)
XYZxyz(5.3538, 4.9858, 15.7161)
Luminance0.0499 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#253E6F #6F5625
analogous
#25636F #253E6F #31256F
triadic
#253E6F #6F253E #3E6F25
tetradic
#253E6F #6F2563 #6F5625 #256F31
square
#253E6F #6F2563 #6F5625 #256F31
split-complementary
#253E6F #6F3125 #636F25
monochromatic
#080D17 #162441 #253E6F #34589D #4B74C3

Accessibility & contrast

On white

10.51
#253E6F on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.00
#253E6F on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253E6F
10.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##253E6F#FFFFFF#000000##FFFFFF
##253E6F1.0010.512.0010.51
#FFFFFF10.511.0021.001.00
#0000002.0021.001.0021.00
##FFFFFF10.511.0021.001.00

Color blindness preview

Protanopia (red-blind)
#284371
Deuteranopia (green-blind)
#1D3C6E
Tritanopia (blue-blind)
#004951
Achromatopsia (no color)
#3F3F3F

Design tokens & code

CSS
--color: #253e6f;
/* rgb */ color: rgb(37, 62, 111);
/* oklch */ color: oklch(37.1% 0.090 262.5);
Tailwind
colors: {
  custom: {
    50: '#687298',
    500: '#253e6f',
    950: '#000000',
  },
}
SCSS
$custom: #253e6f;
$custom-light: #687298;
$custom-dark: #000000;
JSON
{
  "hex": "#253e6f",
  "rgb": {
    "r": 37,
    "g": 62,
    "b": 111
  },
  "hsl": {
    "h": 219.73,
    "s": 50,
    "l": 29.02
  },
  "oklch": {
    "l": 0.37053,
    "c": 0.08998,
    "h": 262.5
  },
  "luminance": 0.04986
}

Semantic roles & 50–950 ramp

primary
#253E6F
secondary
#A2864E
accent
#AA4EDA
background
#F6F6F9
surface
#EBECF2
border
#C6C7CC
text
#07080E
muted
#7A7B7E

Preview Lab

Preview with #253E6F

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

Preview Lab → · Contrast checker → · Palette generator →

#253E6F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva