#3D21B3#3D21B3

#3D21B3 is a dark, highly saturated violet. Relative luminance 0.053; OKLCH L 40.0% C 0.210 H 279.9°. Best body text is #FFFFFF at 10.16:1 contrast (WCAG AA passes).

Color values

HEX	#3D21B3
RGB	rgb(61, 33, 179)
HSL	hsl(252, 69%, 42%)
HSV	hsv(252, 82%, 70%)
CMYK	cmyk(65.9%, 81.6%, 0%, 29.8%)
CIE-LAB	lab(27.66, 52.48, -71.58)
CIE-LCH	lch(27.66, 88.75, 306.25°)
OKLab	oklab(40.01% 0.0362 -0.2066)
OKLCH	oklch(40.01% 0.21 279.9)
XYZ	xyz(10.6024, 5.3336, 43.1099)
Luminance	0.0533 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D21B3 #97B321

analogous

#214EB3 #3D21B3 #8621B3

triadic

#3D21B3 #B33D21 #21B33D

tetradic

#3D21B3 #B3214E #97B321 #21B386

square

#3D21B3 #B3214E #97B321 #21B386

split-complementary

#3D21B3 #B38621 #4EB321

monochromatic

#1A0E4C #2B177F #3D21B3 #5637DA #826BE4

Accessibility & contrast

On white

10.16

#3D21B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#3D21B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3D21B3

10.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D21B3	#FFFFFF	#000000	##FFFFFF
##3D21B3	1.00	10.16	2.07	10.16
#FFFFFF	10.16	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0046B7

Deuteranopia (green-blind)

#003CB0

Tritanopia (blue-blind)

#004E6B

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #3d21b3;
/* rgb */ color: rgb(61, 33, 179);
/* oklch */ color: oklch(40.0% 0.210 279.9);

Tailwind

colors: {
  custom: {
    50: '#8362cb',
    500: '#3d21b3',
    950: '#000000',
  },
}

SCSS

$custom: #3d21b3;
$custom-light: #8362cb;
$custom-dark: #000000;

JSON

{
  "hex": "#3d21b3",
  "rgb": {
    "r": 61,
    "g": 33,
    "b": 179
  },
  "hsl": {
    "h": 251.507,
    "s": 68.868,
    "l": 41.569
  },
  "oklch": {
    "l": 0.40009,
    "c": 0.20978,
    "h": 279.9
  },
  "luminance": 0.05334
}

Semantic roles & 50–950 ramp

primary

#3D21B3

secondary

#B7CA66

accent

#EC3CCA

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0513

muted

#7D7A82

Preview Lab

Preview with #3D21B3

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

Preview Lab → · Contrast checker → · Palette generator →