#3D21B2#3D21B2

#3D21B2 is a dark, highly saturated violet. Relative luminance 0.053; OKLCH L 39.9% C 0.209 H 280.1°. Best body text is #FFFFFF at 10.20:1 contrast (WCAG AA passes).

Color values

HEX	#3D21B2
RGB	rgb(61, 33, 178)
HSL	hsl(252, 69%, 41%)
HSV	hsv(252, 81%, 70%)
CMYK	cmyk(65.7%, 81.5%, 0%, 30.2%)
CIE-LAB	lab(27.55, 52.19, -71.16)
CIE-LCH	lch(27.55, 88.25, 306.26°)
OKLab	oklab(39.9% 0.0365 -0.2054)
OKLCH	oklch(39.9% 0.209 280.1)
XYZ	xyz(10.5017, 5.2933, 42.5791)
Luminance	0.0529 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D21B2 #96B221

analogous

#214EB2 #3D21B2 #8621B2

triadic

#3D21B2 #B23D21 #21B23D

tetradic

#3D21B2 #B2214E #96B221 #21B286

square

#3D21B2 #B2214E #96B221 #21B286

split-complementary

#3D21B2 #B28621 #4EB221

monochromatic

#1A0E4B #2B177E #3D21B2 #5636DA #816AE3

Accessibility & contrast

On white

10.20

#3D21B2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#3D21B2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3D21B2

10.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D21B2	#FFFFFF	#000000	##FFFFFF
##3D21B2	1.00	10.20	2.06	10.20
#FFFFFF	10.20	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0046B6

Deuteranopia (green-blind)

#003BB0

Tritanopia (blue-blind)

#004E6B

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #3d21b2;
/* rgb */ color: rgb(61, 33, 178);
/* oklch */ color: oklch(39.9% 0.209 280.1);

Tailwind

colors: {
  custom: {
    50: '#8362ca',
    500: '#3d21b2',
    950: '#000000',
  },
}

SCSS

$custom: #3d21b2;
$custom-light: #8362ca;
$custom-dark: #000000;

JSON

{
  "hex": "#3d21b2",
  "rgb": {
    "r": 61,
    "g": 33,
    "b": 178
  },
  "hsl": {
    "h": 251.586,
    "s": 68.72,
    "l": 41.373
  },
  "oklch": {
    "l": 0.39901,
    "c": 0.20864,
    "h": 280.1
  },
  "luminance": 0.05294
}

Semantic roles & 50–950 ramp

primary

#3D21B2

secondary

#B6C966

accent

#EC3CCA

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0513

muted

#7D7A82

Preview Lab

Preview with #3D21B2

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

Preview Lab → · Contrast checker → · Palette generator →