#2D21A0#2D21A0

#2D21A0 is a dark, vivid blue. Relative luminance 0.042; OKLCH L 36.7% C 0.191 H 275.6°. Best body text is #FFFFFF at 11.43:1 contrast (WCAG AA passes).

Color values

HEX	#2D21A0
RGB	rgb(45, 33, 160)
HSL	hsl(246, 66%, 38%)
HSV	hsv(246, 79%, 63%)
CMYK	cmyk(71.9%, 79.4%, 0%, 37.3%)
CIE-LAB	lab(24.27, 45.27, -65.78)
CIE-LCH	lch(24.27, 79.85, 304.54°)
OKLab	oklab(36.7% 0.0187 -0.1902)
OKLCH	oklch(36.7% 0.191 275.6)
XYZ	xyz(7.9691, 4.1829, 33.6383)
Luminance	0.0418 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D21A0 #94A021

analogous

#2155A0 #2D21A0 #6C21A0

triadic

#2D21A0 #A02D21 #21A02D

tetradic

#2D21A0 #A02155 #94A021 #21A06C

square

#2D21A0 #A02155 #94A021 #21A06C

split-complementary

#2D21A0 #A06C21 #55A021

monochromatic

#100C3B #1F176D #2D21A0 #3B2BD3 #6A5EDE

Accessibility & contrast

On white

11.43

#2D21A0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#2D21A0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D21A0

11.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D21A0	#FFFFFF	#000000	##FFFFFF
##2D21A0	1.00	11.43	1.84	11.43
#FFFFFF	11.43	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003FA4

Deuteranopia (green-blind)

#00349E

Tritanopia (blue-blind)

#004860

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #2d21a0;
/* rgb */ color: rgb(45, 33, 160);
/* oklch */ color: oklch(36.7% 0.191 275.6);

Tailwind

colors: {
  custom: {
    50: '#7960bd',
    500: '#2d21a0',
    950: '#000000',
  },
}

SCSS

$custom: #2d21a0;
$custom-light: #7960bd;
$custom-dark: #000000;

JSON

{
  "hex": "#2d21a0",
  "rgb": {
    "r": 45,
    "g": 33,
    "b": 160
  },
  "hsl": {
    "h": 245.669,
    "s": 65.803,
    "l": 37.843
  },
  "oklch": {
    "l": 0.36703,
    "c": 0.1911,
    "h": 275.6
  },
  "luminance": 0.04184
}

Semantic roles & 50–950 ramp

primary

#2D21A0

secondary

#B8C25B

accent

#E93FD9

background

#F8F5FB

surface

#EFE9F7

border

#CAC5D0

text

#0A0512

muted

#7C7981

Preview Lab

Preview with #2D21A0

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

Preview Lab → · Contrast checker → · Palette generator →