#2B1D90#2B1D90

#2B1D90 is a dark, vivid blue. Relative luminance 0.034; OKLCH L 34.3% C 0.176 H 277.2°. Best body text is #FFFFFF at 12.49:1 contrast (WCAG AA passes).

Color values

HEX#2B1D90
RGBrgb(43, 29, 144)
HSLhsl(247, 66%, 34%)
HSVhsv(247, 80%, 56%)
CMYKcmyk(70.1%, 79.9%, 0%, 43.5%)
CIE-LABlab(21.60, 42.07, -60.35)
CIE-LCHlch(21.60, 73.57, 304.88°)
OKLaboklab(34.27% 0.022 -0.1744)
OKLCHoklch(34.27% 0.176 277.2)
XYZxyz(6.4680, 3.4054, 26.6966)
Luminance0.0341 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#2B1D90 #82901D
analogous
#1D4990 #2B1D90 #651D90
triadic
#2B1D90 #902B1D #1D902B
tetradic
#2B1D90 #901D49 #82901D #1D9065
square
#2B1D90 #901D49 #82901D #1D9065
split-complementary
#2B1D90 #90651D #49901D
monochromatic
#0D082A #1C135D #2B1D90 #3A27C3 #5E4CDB

Accessibility & contrast

On white

12.49
#2B1D90 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.68
#2B1D90 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B1D90
12.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##2B1D90#FFFFFF#000000##FFFFFF
##2B1D901.0012.491.6812.49
#FFFFFF12.491.0021.001.00
#0000001.6821.001.0021.00
##FFFFFF12.491.0021.001.00

Color blindness preview

Protanopia (red-blind)
#003893
Deuteranopia (green-blind)
#002F8E
Tritanopia (blue-blind)
#004056
Achromatopsia (no color)
#343434

Design tokens & code

CSS
--color: #2b1d90;
/* rgb */ color: rgb(43, 29, 144);
/* oklch */ color: oklch(34.3% 0.176 277.2);
Tailwind
colors: {
  custom: {
    50: '#745cb2',
    500: '#2b1d90',
    950: '#000000',
  },
}
SCSS
$custom: #2b1d90;
$custom-light: #745cb2;
$custom-dark: #000000;
JSON
{
  "hex": "#2b1d90",
  "rgb": {
    "r": 43,
    "g": 29,
    "b": 144
  },
  "hsl": {
    "h": 247.304,
    "s": 66.474,
    "l": 33.922
  },
  "oklch": {
    "l": 0.3427,
    "c": 0.17578,
    "h": 277.2
  },
  "luminance": 0.03406
}

Semantic roles & 50–950 ramp

primary
#2B1D90
secondary
#B0BD4B
accent
#E93ED5
background
#F7F5FB
surface
#EEE9F6
border
#C9C5D0
text
#0A0411
muted
#7C7980

Preview Lab

Preview with #2B1D90

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

Preview Lab → · Contrast checker → · Palette generator →

#2B1D90 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva