#3B21CA#3B21CA

#3B21CA is a dark, highly saturated blue. Relative luminance 0.063; OKLCH L 42.4% C 0.236 H 276.4°. Best body text is #FFFFFF at 9.31:1 contrast (WCAG AA passes).

Color values

HEX	#3B21CA
RGB	rgb(59, 33, 202)
HSL	hsl(249, 72%, 46%)
HSV	hsv(249, 84%, 79%)
CMYK	cmyk(70.8%, 83.7%, 0%, 20.8%)
CIE-LAB	lab(30.11, 58.90, -81.11)
CIE-LCH	lch(30.11, 100.24, 305.98°)
OKLab	oklab(42.41% 0.0262 -0.2344)
OKLCH	oklch(42.41% 0.236 276.4)
XYZ	xyz(13.0047, 6.2806, 56.3926)
Luminance	0.0628 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B21CA #B0CA21

analogous

#215BCA #3B21CA #8F21CA

triadic

#3B21CA #CA3B21 #21CA3B

tetradic

#3B21CA #CA215B #B0CA21 #21CA8F

square

#3B21CA #CA215B #B0CA21 #21CA8F

split-complementary

#3B21CA #CA8F21 #5BCA21

monochromatic

#1C1061 #2C1895 #3B21CA #5F47E1 #8D7CEA

Accessibility & contrast

On white

9.31

#3B21CA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#3B21CA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B21CA

9.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B21CA	#FFFFFF	#000000	##FFFFFF
##3B21CA	1.00	9.31	2.26	9.31
#FFFFFF	9.31	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.31	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: #3b21ca;
/* rgb */ color: rgb(59, 33, 202);
/* oklch */ color: oklch(42.4% 0.236 276.4);

Tailwind

colors: {
  custom: {
    50: '#8763dc',
    500: '#3b21ca',
    950: '#000000',
  },
}

SCSS

$custom: #3b21ca;
$custom-light: #8763dc;
$custom-dark: #000000;

JSON

{
  "hex": "#3b21ca",
  "rgb": {
    "r": 59,
    "g": 33,
    "b": 202
  },
  "hsl": {
    "h": 249.231,
    "s": 71.915,
    "l": 46.078
  },
  "oklch": {
    "l": 0.42409,
    "c": 0.23585,
    "h": 276.4
  },
  "luminance": 0.06282
}

Semantic roles & 50–950 ramp

primary

#3B21CA

secondary

#C3D275

accent

#EF39D3

background

#F9F6FD

surface

#F1EBFB

border

#CBC6D4

text

#0D0615

muted

#7E7A83

Preview Lab

Preview with #3B21CA

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

Preview Lab → · Contrast checker → · Palette generator →