#2D21A8#2D21A8

#2D21A8 is a dark, highly saturated blue. Relative luminance 0.045; OKLCH L 37.6% C 0.201 H 274.8°. Best body text is #FFFFFF at 11.08:1 contrast (WCAG AA passes).

Color values

HEX	#2D21A8
RGB	rgb(45, 33, 168)
HSL	hsl(245, 67%, 39%)
HSV	hsv(245, 80%, 66%)
CMYK	cmyk(73.2%, 80.4%, 0%, 34.1%)
CIE-LAB	lab(25.17, 47.79, -69.13)
CIE-LCH	lch(25.17, 84.04, 304.66°)
OKLab	oklab(37.6% 0.0167 -0.1999)
OKLCH	oklch(37.6% 0.201 274.8)
XYZ	xyz(8.6916, 4.4719, 37.4433)
Luminance	0.0447 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D21A8 #9CA821

analogous

#2159A8 #2D21A8 #7021A8

triadic

#2D21A8 #A82D21 #21A82D

tetradic

#2D21A8 #A82159 #9CA821 #21A870

square

#2D21A8 #A82159 #9CA821 #21A870

split-complementary

#2D21A8 #A87021 #59A821

monochromatic

#120D42 #1F1775 #2D21A8 #3F30D6 #6E63E0

Accessibility & contrast

On white

11.08

#2D21A8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#2D21A8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D21A8

11.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D21A8	#FFFFFF	#000000	##FFFFFF
##2D21A8	1.00	11.08	1.89	11.08
#FFFFFF	11.08	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0042AC

Deuteranopia (green-blind)

#0035A6

Tritanopia (blue-blind)

#004B65

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #2d21a8;
/* rgb */ color: rgb(45, 33, 168);
/* oklch */ color: oklch(37.6% 0.201 274.8);

Tailwind

colors: {
  custom: {
    50: '#7a60c3',
    500: '#2d21a8',
    950: '#000000',
  },
}

SCSS

$custom: #2d21a8;
$custom-light: #7a60c3;
$custom-dark: #000000;

JSON

{
  "hex": "#2d21a8",
  "rgb": {
    "r": 45,
    "g": 33,
    "b": 168
  },
  "hsl": {
    "h": 245.333,
    "s": 67.164,
    "l": 39.412
  },
  "oklch": {
    "l": 0.37601,
    "c": 0.20061,
    "h": 274.8
  },
  "luminance": 0.04473
}

Semantic roles & 50–950 ramp

primary

#2D21A8

secondary

#BCC55F

accent

#EA3EDB

background

#F8F5FC

surface

#EFEAF8

border

#CAC6D1

text

#0B0513

muted

#7C7982

Preview Lab

Preview with #2D21A8

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

Preview Lab → · Contrast checker → · Palette generator →