#231D6D#231D6D

#231D6D is a dark, vivid blue. Relative luminance 0.023; OKLCH L 29.8% C 0.132 H 278.1°. Best body text is #FFFFFF at 14.31:1 contrast (WCAG AA passes).

Color values

HEX#231D6D
RGBrgb(35, 29, 109)
HSLhsl(245, 58%, 27%)
HSVhsv(245, 73%, 43%)
CMYKcmyk(67.9%, 73.4%, 0%, 57.3%)
CIE-LABlab(17.18, 29.33, -45.42)
CIE-LCHlch(17.18, 54.07, 302.85°)
OKLaboklab(29.85% 0.0186 -0.1311)
OKLCHoklch(29.85% 0.132 278.1)
XYZxyz(3.8919, 2.3399, 14.7116)
Luminance0.0234 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#231D6D #676D1D
analogous
#1D3F6D #231D6D #4B1D6D
triadic
#231D6D #6D231D #1D6D23
tetradic
#231D6D #6D1D3F #676D1D #1D6D4B
square
#231D6D #6D1D3F #676D1D #1D6D4B
split-complementary
#231D6D #6D4B1D #3F6D1D
monochromatic
#080618 #13103D #231D6D #332A9D #453ACB

Accessibility & contrast

On white

14.31
#231D6D on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.47
#231D6D on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #231D6D
14.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##231D6D#FFFFFF#000000##FFFFFF
##231D6D1.0014.311.4714.31
#FFFFFF14.311.0021.001.00
#0000001.4721.001.0021.00
##FFFFFF14.311.0021.001.00

Color blindness preview

Protanopia (red-blind)
#002D6F
Deuteranopia (green-blind)
#00276C
Tritanopia (blue-blind)
#003342
Achromatopsia (no color)
#2A2A2A

Design tokens & code

CSS
--color: #231d6d;
/* rgb */ color: rgb(35, 29, 109);
/* oklch */ color: oklch(29.8% 0.132 278.1);
Tailwind
colors: {
  custom: {
    50: '#695a98',
    500: '#231d6d',
    950: '#000000',
  },
}
SCSS
$custom: #231d6d;
$custom-light: #695a98;
$custom-dark: #000000;
JSON
{
  "hex": "#231d6d",
  "rgb": {
    "r": 35,
    "g": 29,
    "b": 109
  },
  "hsl": {
    "h": 244.5,
    "s": 57.971,
    "l": 27.059
  },
  "oklch": {
    "l": 0.2985,
    "c": 0.1324,
    "h": 278.1
  },
  "luminance": 0.0234
}

Semantic roles & 50–950 ramp

primary
#231D6D
secondary
#9BA244
accent
#E147D6
background
#F6F5F9
surface
#EBE9F2
border
#C6C5CC
text
#07040E
muted
#7A797E

Preview Lab

Preview with #231D6D

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

Preview Lab → · Contrast checker → · Palette generator →

#231D6D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva