#253E75#253E75

#253E75 is a dark, moderate blue. Relative luminance 0.051; OKLCH L 37.5% C 0.099 H 263.9°. Best body text is #FFFFFF at 10.37:1 contrast (WCAG AA passes).

Color values

HEX#253E75
RGBrgb(37, 62, 117)
HSLhsl(221, 52%, 30%)
HSVhsv(221, 68%, 46%)
CMYKcmyk(68.4%, 47%, 0%, 54.1%)
CIE-LABlab(27.08, 9.96, -34.49)
CIE-LCHlch(27.08, 35.90, 286.11°)
OKLaboklab(37.48% -0.0106 -0.0986)
OKLCHoklch(37.48% 0.099 263.9)
XYZxyz(5.6953, 5.1224, 17.5147)
Luminance0.0512 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#253E75 #755C25
analogous
#256675 #253E75 #342575
triadic
#253E75 #75253E #3E7525
tetradic
#253E75 #752566 #755C25 #257534
square
#253E75 #752566 #755C25 #257534
split-complementary
#253E75 #753425 #667525
monochromatic
#080D18 #162547 #253E75 #3457A3 #4E73C7

Accessibility & contrast

On white

10.37
#253E75 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.02
#253E75 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253E75
10.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##253E75#FFFFFF#000000##FFFFFF
##253E751.0010.372.0210.37
#FFFFFF10.371.0021.001.00
#0000002.0221.001.0021.00
##FFFFFF10.371.0021.001.00

Color blindness preview

Protanopia (red-blind)
#234477
Deuteranopia (green-blind)
#153D74
Tritanopia (blue-blind)
#004B53
Achromatopsia (no color)
#404040

Design tokens & code

CSS
--color: #253e75;
/* rgb */ color: rgb(37, 62, 117);
/* oklch */ color: oklch(37.5% 0.099 263.9);
Tailwind
colors: {
  custom: {
    50: '#69729d',
    500: '#253e75',
    950: '#000000',
  },
}
SCSS
$custom: #253e75;
$custom-light: #69729d;
$custom-dark: #000000;
JSON
{
  "hex": "#253e75",
  "rgb": {
    "r": 37,
    "g": 62,
    "b": 117
  },
  "hsl": {
    "h": 221.25,
    "s": 51.948,
    "l": 30.196
  },
  "oklch": {
    "l": 0.37475,
    "c": 0.09914,
    "h": 263.9
  },
  "luminance": 0.05123
}

Semantic roles & 50–950 ramp

primary
#253E75
secondary
#A88C4E
accent
#AF4CDB
background
#F6F6F9
surface
#EBECF2
border
#C6C7CC
text
#07080E
muted
#7A7B7E

Preview Lab

Preview with #253E75

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

Preview Lab → · Contrast checker → · Palette generator →

#253E75 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva