#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
RGB	rgb(45, 33, 166)
HSL	hsl(245, 67%, 39%)
HSV	hsv(245, 80%, 65%)
CMYK	cmyk(72.9%, 80.1%, 0%, 34.9%)
CIE-LAB	lab(24.95, 47.17, -68.30)
CIE-LCH	lch(24.95, 83.00, 304.63°)
OKLab	oklab(37.38% 0.0172 -0.1975)
OKLCH	oklch(37.38% 0.198 275)
XYZ	xyz(8.5067, 4.3979, 36.4696)
Luminance	0.0440 (WCAG relative)
Temperature	cool
Family	blue

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
##2D21A6	1.00	11.17	1.88	11.17
#FFFFFF	11.17	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.17	1.00	21.00	1.00

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 →