#3B21C2#3B21C2

#3B21C2 is a dark, highly saturated blue. Relative luminance 0.059; OKLCH L 41.5% C 0.227 H 277.2°. Best body text is #FFFFFF at 9.62:1 contrast (WCAG AA passes).

Color values

HEX	#3B21C2
RGB	rgb(59, 33, 194)
HSL	hsl(250, 71%, 45%)
HSV	hsv(250, 83%, 76%)
CMYK	cmyk(69.6%, 83%, 0%, 23.9%)
CIE-LAB	lab(29.19, 56.63, -77.95)
CIE-LCH	lch(29.19, 96.35, 306.00°)
OKLab	oklab(41.51% 0.0286 -0.2252)
OKLCH	oklch(41.51% 0.227 277.2)
XYZ	xyz(12.0819, 5.9115, 51.5328)
Luminance	0.0591 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B21C2 #A8C221

analogous

#2158C2 #3B21C2 #8B21C2

triadic

#3B21C2 #C23B21 #21C23B

tetradic

#3B21C2 #C22158 #A8C221 #21C28B

square

#3B21C2 #C22158 #A8C221 #21C28B

split-complementary

#3B21C2 #C28B21 #58C221

monochromatic

#1B0F59 #2B188E #3B21C2 #5B41DF #8876E8

Accessibility & contrast

On white

9.62

#3B21C2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#3B21C2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B21C2

9.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B21C2	#FFFFFF	#000000	##FFFFFF
##3B21C2	1.00	9.62	2.18	9.62
#FFFFFF	9.62	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BC6

Deuteranopia (green-blind)

#003EBF

Tritanopia (blue-blind)

#005574

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #3b21c2;
/* rgb */ color: rgb(59, 33, 194);
/* oklch */ color: oklch(41.5% 0.227 277.2);

Tailwind

colors: {
  custom: {
    50: '#8663d6',
    500: '#3b21c2',
    950: '#000000',
  },
}

SCSS

$custom: #3b21c2;
$custom-light: #8663d6;
$custom-dark: #000000;

JSON

{
  "hex": "#3b21c2",
  "rgb": {
    "r": 59,
    "g": 33,
    "b": 194
  },
  "hsl": {
    "h": 249.689,
    "s": 70.925,
    "l": 44.51
  },
  "oklch": {
    "l": 0.4151,
    "c": 0.22702,
    "h": 277.2
  },
  "luminance": 0.05913
}

Semantic roles & 50–950 ramp

primary

#3B21C2

secondary

#C0CF70

accent

#EE3AD1

background

#F9F6FD

surface

#F1EBFA

border

#CBC6D3

text

#0D0615

muted

#7E7A83

Preview Lab

Preview with #3B21C2

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

Preview Lab → · Contrast checker → · Palette generator →