#2D21A3#2D21A3

#2D21A3 is a dark, vivid blue. Relative luminance 0.043; OKLCH L 37.0% C 0.195 H 275.3°. Best body text is #FFFFFF at 11.30:1 contrast (WCAG AA passes).

Color values

HEX	#2D21A3
RGB	rgb(45, 33, 163)
HSL	hsl(246, 66%, 38%)
HSV	hsv(246, 80%, 64%)
CMYK	cmyk(72.4%, 79.8%, 0%, 36.1%)
CIE-LAB	lab(24.61, 46.22, -67.04)
CIE-LCH	lch(24.61, 81.43, 304.58°)
OKLab	oklab(37.04% 0.0179 -0.1939)
OKLCH	oklch(37.04% 0.195 275.3)
XYZ	xyz(8.2347, 4.2891, 35.0371)
Luminance	0.0429 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D21A3 #97A321

analogous

#2156A3 #2D21A3 #6E21A3

triadic

#2D21A3 #A32D21 #21A32D

tetradic

#2D21A3 #A32156 #97A321 #21A36E

square

#2D21A3 #A32156 #97A321 #21A36E

split-complementary

#2D21A3 #A36E21 #56A321

monochromatic

#110C3D #1F1770 #2D21A3 #3C2DD4 #6B60DF

Accessibility & contrast

On white

11.30

#2D21A3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#2D21A3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D21A3

11.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D21A3	#FFFFFF	#000000	##FFFFFF
##2D21A3	1.00	11.30	1.86	11.30
#FFFFFF	11.30	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0040A7

Deuteranopia (green-blind)

#0034A1

Tritanopia (blue-blind)

#004962

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #2d21a3;
/* rgb */ color: rgb(45, 33, 163);
/* oklch */ color: oklch(37.0% 0.195 275.3);

Tailwind

colors: {
  custom: {
    50: '#7960c0',
    500: '#2d21a3',
    950: '#000000',
  },
}

SCSS

$custom: #2d21a3;
$custom-light: #7960c0;
$custom-dark: #000000;

JSON

{
  "hex": "#2d21a3",
  "rgb": {
    "r": 45,
    "g": 33,
    "b": 163
  },
  "hsl": {
    "h": 245.538,
    "s": 66.327,
    "l": 38.431
  },
  "oklch": {
    "l": 0.37038,
    "c": 0.19469,
    "h": 275.3
  },
  "luminance": 0.0429
}

Semantic roles & 50–950 ramp

primary

#2D21A3

secondary

#BAC35C

accent

#E93FD9

background

#F8F5FC

surface

#EFEAF8

border

#CAC6D1

text

#0B0512

muted

#7C7981

Preview Lab

Preview with #2D21A3

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

Preview Lab → · Contrast checker → · Palette generator →