#2D21A6#2D21A6

#2D21A6 is a dark, vivid blue. Relative luminance 0.044; OKLCH L 37.4% C 0.198 H 275.0°. Best body text is #FFFFFF at 11.17:1 contrast (WCAG AA passes).

Color values

HEX#2D21A6
RGBrgb(45, 33, 166)
HSLhsl(245, 67%, 39%)
HSVhsv(245, 80%, 65%)
CMYKcmyk(72.9%, 80.1%, 0%, 34.9%)
CIE-LABlab(24.95, 47.17, -68.30)
CIE-LCHlch(24.95, 83.00, 304.63°)
OKLaboklab(37.38% 0.0172 -0.1975)
OKLCHoklch(37.38% 0.198 275)
XYZxyz(8.5067, 4.3979, 36.4696)
Luminance0.0440 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#2D21A6 #9AA621
analogous
#2157A6 #2D21A6 #7021A6
triadic
#2D21A6 #A62D21 #21A62D
tetradic
#2D21A6 #A62157 #9AA621 #21A670
square
#2D21A6 #A62157 #9AA621 #21A670
split-complementary
#2D21A6 #A67021 #57A621
monochromatic
#110D40 #1F1773 #2D21A6 #3E2FD6 #6D62E0

Accessibility & contrast

On white

11.17
#2D21A6 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.88
#2D21A6 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D21A6
11.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##2D21A6#FFFFFF#000000##FFFFFF
##2D21A61.0011.171.8811.17
#FFFFFF11.171.0021.001.00
#0000001.8821.001.0021.00
##FFFFFF11.171.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0041AA
Deuteranopia (green-blind)
#0035A4
Tritanopia (blue-blind)
#004A64
Achromatopsia (no color)
#3B3B3B

Design tokens & code

CSS
--color: #2d21a6;
/* rgb */ color: rgb(45, 33, 166);
/* oklch */ color: oklch(37.4% 0.198 275.0);
Tailwind
colors: {
  custom: {
    50: '#7a60c2',
    500: '#2d21a6',
    950: '#000000',
  },
}
SCSS
$custom: #2d21a6;
$custom-light: #7a60c2;
$custom-dark: #000000;
JSON
{
  "hex": "#2d21a6",
  "rgb": {
    "r": 45,
    "g": 33,
    "b": 166
  },
  "hsl": {
    "h": 245.414,
    "s": 66.834,
    "l": 39.02
  },
  "oklch": {
    "l": 0.37375,
    "c": 0.19824,
    "h": 275
  },
  "luminance": 0.04399
}

Semantic roles & 50–950 ramp

primary
#2D21A6
secondary
#BBC55E
accent
#EA3EDA
background
#F8F5FC
surface
#EFEAF8
border
#CAC6D1
text
#0B0513
muted
#7C7982

Preview Lab

Preview with #2D21A6

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

Preview Lab → · Contrast checker → · Palette generator →

#2D21A6 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva