#253583#253583

#253583 is a dark, vivid blue. Relative luminance 0.046; OKLCH L 36.6% C 0.132 H 269.8°. Best body text is #FFFFFF at 10.96:1 contrast (WCAG AA passes).

Color values

HEX#253583
RGBrgb(37, 53, 131)
HSLhsl(230, 56%, 33%)
HSVhsv(230, 72%, 51%)
CMYKcmyk(71.8%, 59.5%, 0%, 48.6%)
CIE-LABlab(25.50, 21.67, -45.87)
CIE-LCHlch(25.50, 50.73, 295.29°)
OKLaboklab(36.6% -0.0004 -0.1322)
OKLCHoklch(36.6% 0.132 269.8)
XYZxyz(6.1314, 4.5776, 22.0288)
Luminance0.0458 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#253583 #837325
analogous
#256483 #253583 #442583
triadic
#253583 #832535 #358325
tetradic
#253583 #832564 #837325 #258344
square
#253583 #832564 #837325 #258344
split-complementary
#253583 #834425 #648325
monochromatic
#0A0E24 #182253 #253583 #3248B3 #5469CF

Accessibility & contrast

On white

10.96
#253583 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.92
#253583 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253583
10.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##253583#FFFFFF#000000##FFFFFF
##2535831.0010.961.9210.96
#FFFFFF10.961.0021.001.00
#0000001.9221.001.0021.00
##FFFFFF10.961.0021.001.00

Color blindness preview

Protanopia (red-blind)
#004186
Deuteranopia (green-blind)
#003881
Tritanopia (blue-blind)
#004856
Achromatopsia (no color)
#3C3C3C

Design tokens & code

CSS
--color: #253583;
/* rgb */ color: rgb(37, 53, 131);
/* oklch */ color: oklch(36.6% 0.132 269.8);
Tailwind
colors: {
  custom: {
    50: '#6d6ca8',
    500: '#253583',
    950: '#000000',
  },
}
SCSS
$custom: #253583;
$custom-light: #6d6ca8;
$custom-dark: #000000;
JSON
{
  "hex": "#253583",
  "rgb": {
    "r": 37,
    "g": 53,
    "b": 131
  },
  "hsl": {
    "h": 229.787,
    "s": 55.952,
    "l": 32.941
  },
  "oklch": {
    "l": 0.36603,
    "c": 0.13217,
    "h": 269.8
  },
  "luminance": 0.04578
}

Semantic roles & 50–950 ramp

primary
#253583
secondary
#B3A251
accent
#C649DF
background
#F6F6FA
surface
#ECEBF4
border
#C7C6CE
text
#080610
muted
#7A7A7F

Preview Lab

Preview with #253583

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

Preview Lab → · Contrast checker → · Palette generator →

#253583 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva