#291DB3#291DB3

#291DB3 is a dark, highly saturated blue. Relative luminance 0.046; OKLCH L 38.2% C 0.217 H 272.6°. Best body text is #FFFFFF at 10.93:1 contrast (WCAG AA passes).

Color values

HEX#291DB3
RGBrgb(41, 29, 179)
HSLhsl(245, 72%, 41%)
HSVhsv(245, 84%, 70%)
CMYKcmyk(77.1%, 83.8%, 0%, 29.8%)
CIE-LABlab(25.57, 52.74, -75.09)
CIE-LCHlch(25.57, 91.76, 305.08°)
OKLaboklab(38.18% 0.0099 -0.2172)
OKLCHoklch(38.18% 0.217 272.6)
XYZxyz(9.4878, 4.6038, 43.0277)
Luminance0.0461 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#291DB3 #A7B31D
analogous
#1D5CB3 #291DB3 #741DB3
triadic
#291DB3 #B3291D #1DB329
tetradic
#291DB3 #B31D5C #A7B31D #1DB374
square
#291DB3 #B31D5C #A7B31D #1DB374
split-complementary
#291DB3 #B3741D #5CB31D
monochromatic
#110C4A #1D147E #291DB3 #3E30DD #6F64E6

Accessibility & contrast

On white

10.93
#291DB3 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.92
#291DB3 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #291DB3
10.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##291DB3#FFFFFF#000000##FFFFFF
##291DB31.0010.931.9210.93
#FFFFFF10.931.0021.001.00
#0000001.9221.001.0021.00
##FFFFFF10.931.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0043B7
Deuteranopia (green-blind)
#0035B1
Tritanopia (blue-blind)
#004E6B
Achromatopsia (no color)
#3D3D3D

Design tokens & code

CSS
--color: #291db3;
/* rgb */ color: rgb(41, 29, 179);
/* oklch */ color: oklch(38.2% 0.217 272.6);
Tailwind
colors: {
  custom: {
    50: '#7c5fcb',
    500: '#291db3',
    950: '#000000',
  },
}
SCSS
$custom: #291db3;
$custom-light: #7c5fcb;
$custom-dark: #000000;
JSON
{
  "hex": "#291db3",
  "rgb": {
    "r": 41,
    "g": 29,
    "b": 179
  },
  "hsl": {
    "h": 244.8,
    "s": 72.115,
    "l": 40.784
  },
  "oklch": {
    "l": 0.38184,
    "c": 0.21742,
    "h": 272.6
  },
  "luminance": 0.04605
}

Semantic roles & 50–950 ramp

primary
#291DB3
secondary
#C2CB61
accent
#EF39E0
background
#F8F5FC
surface
#F0E9F9
border
#CBC5D2
text
#0C0514
muted
#7D7982

Preview Lab

Preview with #291DB3

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

Preview Lab → · Contrast checker → · Palette generator →

#291DB3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva