#3A21CA#3A21CA

#3A21CA is a dark, highly saturated blue. Relative luminance 0.063; OKLCH L 42.3% C 0.236 H 276.0°. Best body text is #FFFFFF at 9.33:1 contrast (WCAG AA passes).

Color values

HEX	#3A21CA
RGB	rgb(58, 33, 202)
HSL	hsl(249, 72%, 46%)
HSV	hsv(249, 84%, 79%)
CMYK	cmyk(71.3%, 83.7%, 0%, 20.8%)
CIE-LAB	lab(30.04, 58.83, -81.24)
CIE-LCH	lch(30.04, 100.30, 305.91°)
OKLab	oklab(42.34% 0.0248 -0.2348)
OKLCH	oklch(42.34% 0.236 276)
XYZ	xyz(12.9460, 6.2503, 56.3898)
Luminance	0.0625 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A21CA #B1CA21

analogous

#215CCA #3A21CA #8E21CA

triadic

#3A21CA #CA3A21 #21CA3A

tetradic

#3A21CA #CA215C #B1CA21 #21CA8E

square

#3A21CA #CA215C #B1CA21 #21CA8E

split-complementary

#3A21CA #CA8E21 #5CCA21

monochromatic

#1C1061 #2B1895 #3A21CA #5E47E1 #8C7CEA

Accessibility & contrast

On white

9.33

#3A21CA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#3A21CA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A21CA

9.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A21CA	#FFFFFF	#000000	##FFFFFF
##3A21CA	1.00	9.33	2.25	9.33
#FFFFFF	9.33	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004ECE

Deuteranopia (green-blind)

#003FC7

Tritanopia (blue-blind)

#005879

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #3a21ca;
/* rgb */ color: rgb(58, 33, 202);
/* oklch */ color: oklch(42.3% 0.236 276.0);

Tailwind

colors: {
  custom: {
    50: '#8763dc',
    500: '#3a21ca',
    950: '#000000',
  },
}

SCSS

$custom: #3a21ca;
$custom-light: #8763dc;
$custom-dark: #000000;

JSON

{
  "hex": "#3a21ca",
  "rgb": {
    "r": 58,
    "g": 33,
    "b": 202
  },
  "hsl": {
    "h": 248.876,
    "s": 71.915,
    "l": 46.078
  },
  "oklch": {
    "l": 0.42339,
    "c": 0.23607,
    "h": 276
  },
  "luminance": 0.06252
}

Semantic roles & 50–950 ramp

primary

#3A21CA

secondary

#C4D275

accent

#EF39D4

background

#F9F6FD

surface

#F1EBFB

border

#CBC6D4

text

#0D0615

muted

#7E7A83

Preview Lab

Preview with #3A21CA

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

Preview Lab → · Contrast checker → · Palette generator →