#3B21AA#3B21AA

#3B21AA is a dark, vivid violet. Relative luminance 0.049; OKLCH L 38.9% C 0.200 H 280.4°. Best body text is #FFFFFF at 10.58:1 contrast (WCAG AA passes).

Color values

HEX	#3B21AA
RGB	rgb(59, 33, 170)
HSL	hsl(251, 67%, 40%)
HSV	hsv(251, 81%, 67%)
CMYK	cmyk(65.3%, 80.6%, 0%, 33.3%)
CIE-LAB	lab(26.50, 49.66, -68.10)
CIE-LCH	lch(26.50, 84.29, 306.10°)
OKLab	oklab(38.87% 0.036 -0.1966)
OKLCH	oklch(38.87% 0.2 280.4)
XYZ	xyz(9.6009, 4.9190, 38.4659)
Luminance	0.0492 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B21AA #90AA21

analogous

#214BAA #3B21AA #8021AA

triadic

#3B21AA #AA3B21 #21AA3B

tetradic

#3B21AA #AA214B #90AA21 #21AA80

square

#3B21AA #AA214B #90AA21 #21AA80

split-complementary

#3B21AA #AA8021 #4BAA21

monochromatic

#170D43 #291777 #3B21AA #5131D7 #7C64E1

Accessibility & contrast

On white

10.58

#3B21AA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#3B21AA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B21AA

10.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B21AA	#FFFFFF	#000000	##FFFFFF
##3B21AA	1.00	10.58	1.98	10.58
#FFFFFF	10.58	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0043AE

Deuteranopia (green-blind)

#0039A8

Tritanopia (blue-blind)

#004B66

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #3b21aa;
/* rgb */ color: rgb(59, 33, 170);
/* oklch */ color: oklch(38.9% 0.200 280.4);

Tailwind

colors: {
  custom: {
    50: '#8161c5',
    500: '#3b21aa',
    950: '#000000',
  },
}

SCSS

$custom: #3b21aa;
$custom-light: #8161c5;
$custom-dark: #000000;

JSON

{
  "hex": "#3b21aa",
  "rgb": {
    "r": 59,
    "g": 33,
    "b": 170
  },
  "hsl": {
    "h": 251.387,
    "s": 67.488,
    "l": 39.804
  },
  "oklch": {
    "l": 0.38871,
    "c": 0.19985,
    "h": 280.4
  },
  "luminance": 0.0492
}

Semantic roles & 50–950 ramp

primary

#3B21AA

secondary

#B3C661

accent

#EA3DCA

background

#F8F5FC

surface

#F0EAF8

border

#CBC6D1

text

#0C0513

muted

#7D7982

Preview Lab

Preview with #3B21AA

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

Preview Lab → · Contrast checker → · Palette generator →