#2D21A4#2D21A4

#2D21A4 is a dark, vivid blue. Relative luminance 0.043; OKLCH L 37.1% C 0.196 H 275.2°. Best body text is #FFFFFF at 11.26:1 contrast (WCAG AA passes).

Color values

HEX	#2D21A4
RGB	rgb(45, 33, 164)
HSL	hsl(245, 66%, 39%)
HSV	hsv(245, 80%, 64%)
CMYK	cmyk(72.6%, 79.9%, 0%, 35.7%)
CIE-LAB	lab(24.72, 46.54, -67.46)
CIE-LCH	lch(24.72, 81.96, 304.60°)
OKLab	oklab(37.15% 0.0177 -0.1951)
OKLCH	oklch(37.15% 0.196 275.2)
XYZ	xyz(8.3247, 4.3251, 35.5109)
Luminance	0.0433 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D21A4 #98A421

analogous

#2156A4 #2D21A4 #6E21A4

triadic

#2D21A4 #A42D21 #21A42D

tetradic

#2D21A4 #A42156 #98A421 #21A46E

square

#2D21A4 #A42156 #98A421 #21A46E

split-complementary

#2D21A4 #A46E21 #56A421

monochromatic

#110C3E #1F1771 #2D21A4 #3D2DD5 #6C60DF

Accessibility & contrast

On white

11.26

#2D21A4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#2D21A4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D21A4

11.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D21A4	#FFFFFF	#000000	##FFFFFF
##2D21A4	1.00	11.26	1.87	11.26
#FFFFFF	11.26	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0040A8

Deuteranopia (green-blind)

#0035A2

Tritanopia (blue-blind)

#004963

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #2d21a4;
/* rgb */ color: rgb(45, 33, 164);
/* oklch */ color: oklch(37.1% 0.196 275.2);

Tailwind

colors: {
  custom: {
    50: '#7960c0',
    500: '#2d21a4',
    950: '#000000',
  },
}

SCSS

$custom: #2d21a4;
$custom-light: #7960c0;
$custom-dark: #000000;

JSON

{
  "hex": "#2d21a4",
  "rgb": {
    "r": 45,
    "g": 33,
    "b": 164
  },
  "hsl": {
    "h": 245.496,
    "s": 66.497,
    "l": 38.627
  },
  "oklch": {
    "l": 0.3715,
    "c": 0.19587,
    "h": 275.2
  },
  "luminance": 0.04326
}

Semantic roles & 50–950 ramp

primary

#2D21A4

secondary

#BAC45D

accent

#E93EDA

background

#F8F5FC

surface

#EFEAF8

border

#CAC6D1

text

#0B0512

muted

#7C7981

Preview Lab

Preview with #2D21A4

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

Preview Lab → · Contrast checker → · Palette generator →