#253B6F#253B6F

#253B6F is a dark, moderate blue. Relative luminance 0.047; OKLCH L 36.3% C 0.094 H 264.9°. Best body text is #FFFFFF at 10.86:1 contrast (WCAG AA passes).

Color values

HEX#253B6F
RGBrgb(37, 59, 111)
HSLhsl(222, 50%, 29%)
HSVhsv(222, 67%, 44%)
CMYKcmyk(66.7%, 46.8%, 0%, 56.5%)
CIE-LABlab(25.77, 9.72, -32.78)
CIE-LCHlch(25.77, 34.19, 286.51°)
OKLaboklab(36.34% -0.0084 -0.0936)
OKLCHoklch(36.34% 0.094 264.9)
XYZxyz(5.1952, 4.6685, 15.6632)
Luminance0.0467 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#253B6F #6F5925
analogous
#25606F #253B6F #34256F
triadic
#253B6F #6F253B #3B6F25
tetradic
#253B6F #6F2560 #6F5925 #256F34
square
#253B6F #6F2560 #6F5925 #256F34
split-complementary
#253B6F #6F3425 #606F25
monochromatic
#080C17 #162341 #253B6F #34539D #4B6FC3

Accessibility & contrast

On white

10.86
#253B6F on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.93
#253B6F on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253B6F
10.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##253B6F#FFFFFF#000000##FFFFFF
##253B6F1.0010.861.9310.86
#FFFFFF10.861.0021.001.00
#0000001.9321.001.0021.00
##FFFFFF10.861.0021.001.00

Color blindness preview

Protanopia (red-blind)
#224171
Deuteranopia (green-blind)
#163A6E
Tritanopia (blue-blind)
#00474F
Achromatopsia (no color)
#3D3D3D

Design tokens & code

CSS
--color: #253b6f;
/* rgb */ color: rgb(37, 59, 111);
/* oklch */ color: oklch(36.3% 0.094 264.9);
Tailwind
colors: {
  custom: {
    50: '#687099',
    500: '#253b6f',
    950: '#000000',
  },
}
SCSS
$custom: #253b6f;
$custom-light: #687099;
$custom-dark: #000000;
JSON
{
  "hex": "#253b6f",
  "rgb": {
    "r": 37,
    "g": 59,
    "b": 111
  },
  "hsl": {
    "h": 222.162,
    "s": 50,
    "l": 29.02
  },
  "oklch": {
    "l": 0.3634,
    "c": 0.09396,
    "h": 264.9
  },
  "luminance": 0.04669
}

Semantic roles & 50–950 ramp

primary
#253B6F
secondary
#A2894E
accent
#B04EDA
background
#F6F6F9
surface
#EBECF2
border
#C6C7CC
text
#07070E
muted
#7A7A7E

Preview Lab

Preview with #253B6F

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

Preview Lab → · Contrast checker → · Palette generator →

#253B6F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva