#253EBC#253EBC

#253EBC is a dark, vivid blue. Relative luminance 0.075; OKLCH L 43.6% C 0.198 H 267.8°. Best body text is #FFFFFF at 8.42:1 contrast (WCAG AA passes).

Color values

HEX#253EBC
RGBrgb(37, 62, 188)
HSLhsl(230, 67%, 44%)
HSVhsv(230, 80%, 74%)
CMYKcmyk(80.3%, 67%, 0%, 26.3%)
CIE-LABlab(32.85, 37.17, -68.41)
CIE-LCHlch(32.85, 77.86, 298.51°)
OKLaboklab(43.59% -0.0077 -0.1981)
OKLCHoklch(43.59% 0.198 267.8)
XYZxyz(11.5595, 7.4681, 48.3994)
Luminance0.0747 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#253EBC #BCA325
analogous
#258ABC #253EBC #5825BC
triadic
#253EBC #BC253E #3EBC25
tetradic
#253EBC #BC258A #BCA325 #25BC58
square
#253EBC #BC258A #BCA325 #25BC58
split-complementary
#253EBC #BC5825 #8ABC25
monochromatic
#111C56 #1B2D89 #253EBC #445DDA #7789E4

Accessibility & contrast

On white

8.42
#253EBC on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.49
#253EBC on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253EBC
8.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##253EBC#FFFFFF#000000##FFFFFF
##253EBC1.008.422.498.42
#FFFFFF8.421.0021.001.00
#0000002.4921.001.0021.00
##FFFFFF8.421.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0055C0
Deuteranopia (green-blind)
#0046BA
Tritanopia (blue-blind)
#006078
Achromatopsia (no color)
#4D4D4D

Design tokens & code

CSS
--color: #253ebc;
/* rgb */ color: rgb(37, 62, 188);
/* oklch */ color: oklch(43.6% 0.198 267.8);
Tailwind
colors: {
  custom: {
    50: '#7a73d1',
    500: '#253ebc',
    950: '#000000',
  },
}
SCSS
$custom: #253ebc;
$custom-light: #7a73d1;
$custom-dark: #000000;
JSON
{
  "hex": "#253ebc",
  "rgb": {
    "r": 37,
    "g": 62,
    "b": 188
  },
  "hsl": {
    "h": 230.066,
    "s": 67.111,
    "l": 44.118
  },
  "oklch": {
    "l": 0.43586,
    "c": 0.19829,
    "h": 267.8
  },
  "luminance": 0.07469
}

Semantic roles & 50–950 ramp

primary
#253EBC
secondary
#CCBD71
accent
#CD3EEA
background
#F8F7FD
surface
#EFEDFA
border
#CAC8D3
text
#0B0814
muted
#7C7B83

Preview Lab

Preview with #253EBC

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

Preview Lab → · Contrast checker → · Palette generator →

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