#231D97#231D97

#231D97 is a dark, vivid blue. Relative luminance 0.035; OKLCH L 34.5% C 0.186 H 272.9°. Best body text is #FFFFFF at 12.40:1 contrast (WCAG AA passes).

Color values

HEX#231D97
RGBrgb(35, 29, 151)
HSLhsl(243, 68%, 35%)
HSVhsv(243, 81%, 59%)
CMYKcmyk(76.8%, 80.8%, 0%, 40.8%)
CIE-LABlab(21.83, 43.63, -64.31)
CIE-LCHlch(21.83, 77.72, 304.16°)
OKLaboklab(34.52% 0.0094 -0.1861)
OKLCHoklch(34.52% 0.186 272.9)
XYZxyz(6.7165, 3.4697, 29.5879)
Luminance0.0347 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#231D97 #91971D
analogous
#1D5497 #231D97 #601D97
triadic
#231D97 #97231D #1D9723
tetradic
#231D97 #971D54 #91971D #1D9760
square
#231D97 #971D54 #91971D #1D9760
split-complementary
#231D97 #97601D #54971D
monochromatic
#0B0930 #171364 #231D97 #2F27CA #5851DE

Accessibility & contrast

On white

12.40
#231D97 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.69
#231D97 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #231D97
12.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##231D97#FFFFFF#000000##FFFFFF
##231D971.0012.401.6912.40
#FFFFFF12.401.0021.001.00
#0000001.6921.001.0021.00
##FFFFFF12.401.0021.001.00

Color blindness preview

Protanopia (red-blind)
#003A9A
Deuteranopia (green-blind)
#002E95
Tritanopia (blue-blind)
#00435A
Achromatopsia (no color)
#343434

Design tokens & code

CSS
--color: #231d97;
/* rgb */ color: rgb(35, 29, 151);
/* oklch */ color: oklch(34.5% 0.186 272.9);
Tailwind
colors: {
  custom: {
    50: '#735cb7',
    500: '#231d97',
    950: '#000000',
  },
}
SCSS
$custom: #231d97;
$custom-light: #735cb7;
$custom-dark: #000000;
JSON
{
  "hex": "#231d97",
  "rgb": {
    "r": 35,
    "g": 29,
    "b": 151
  },
  "hsl": {
    "h": 242.951,
    "s": 67.778,
    "l": 35.294
  },
  "oklch": {
    "l": 0.34522,
    "c": 0.18633,
    "h": 272.9
  },
  "luminance": 0.0347
}

Semantic roles & 50–950 ramp

primary
#231D97
secondary
#BBC04F
accent
#EB3DE2
background
#F7F5FB
surface
#EEE9F6
border
#C9C5D0
text
#0A0411
muted
#7C7980

Preview Lab

Preview with #231D97

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

Preview Lab → · Contrast checker → · Palette generator →

#231D97 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva