#253C64#253C64

#253C64 is a dark, moderate blue. Relative luminance 0.045; OKLCH L 35.8% C 0.076 H 260.8°. Best body text is #FFFFFF at 11.00:1 contrast (WCAG AA passes).

Color values

HEX#253C64
RGBrgb(37, 60, 100)
HSLhsl(218, 46%, 27%)
HSVhsv(218, 63%, 39%)
CMYKcmyk(63%, 40%, 0%, 60.8%)
CIE-LABlab(25.40, 4.81, -26.31)
CIE-LCHlch(25.40, 26.74, 280.36°)
OKLaboklab(35.83% -0.0121 -0.0746)
OKLCHoklch(35.83% 0.076 260.8)
XYZxyz(4.6783, 4.5447, 12.6848)
Luminance0.0454 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#253C64 #644D25
analogous
#255C64 #253C64 #2E2564
triadic
#253C64 #64253C #3C6425
tetradic
#253C64 #64255C #644D25 #25642E
square
#253C64 #64255C #644D25 #25642E
split-complementary
#253C64 #642E25 #5C6425
monochromatic
#080D16 #142137 #253C64 #365791 #4872BB

Accessibility & contrast

On white

11.00
#253C64 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.91
#253C64 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253C64
11.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##253C64#FFFFFF#000000##FFFFFF
##253C641.0011.001.9111.00
#FFFFFF11.001.0021.001.00
#0000001.9121.001.0021.00
##FFFFFF11.001.0021.001.00

Color blindness preview

Protanopia (red-blind)
#2B3F66
Deuteranopia (green-blind)
#233A63
Tritanopia (blue-blind)
#00454B
Achromatopsia (no color)
#3C3C3C

Design tokens & code

CSS
--color: #253c64;
/* rgb */ color: rgb(37, 60, 100);
/* oklch */ color: oklch(35.8% 0.076 260.8);
Tailwind
colors: {
  custom: {
    50: '#667190',
    500: '#253c64',
    950: '#000000',
  },
}
SCSS
$custom: #253c64;
$custom-light: #667190;
$custom-dark: #000000;
JSON
{
  "hex": "#253c64",
  "rgb": {
    "r": 37,
    "g": 60,
    "b": 100
  },
  "hsl": {
    "h": 218.095,
    "s": 45.985,
    "l": 26.863
  },
  "oklch": {
    "l": 0.35831,
    "c": 0.07556,
    "h": 260.8
  },
  "luminance": 0.04545
}

Semantic roles & 50–950 ramp

primary
#253C64
secondary
#977C4E
accent
#A652D6
background
#F6F6F8
surface
#EBECF0
border
#C6C7CB
text
#06070C
muted
#7A7A7D

Preview Lab

Preview with #253C64

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

Preview Lab → · Contrast checker → · Palette generator →

#253C64 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva