#3B1DA8#3B1DA8

#3B1DA8 is a dark, highly saturated violet. Relative luminance 0.046; OKLCH L 38.2% C 0.201 H 281.1°. Best body text is #FFFFFF at 10.90:1 contrast (WCAG AA passes).

Color values

HEX	#3B1DA8
RGB	rgb(59, 29, 168)
HSL	hsl(253, 71%, 39%)
HSV	hsv(253, 83%, 66%)
CMYK	cmyk(64.9%, 82.7%, 0%, 34.1%)
CIE-LAB	lab(25.67, 50.87, -68.28)
CIE-LCH	lch(25.67, 85.14, 306.69°)
OKLab	oklab(38.23% 0.0386 -0.197)
OKLCH	oklch(38.23% 0.201 281.1)
XYZ	xyz(9.3087, 4.6350, 37.4423)
Luminance	0.0464 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B1DA8 #8AA81D

analogous

#1D44A8 #3B1DA8 #801DA8

triadic

#3B1DA8 #A83B1D #1DA83B

tetradic

#3B1DA8 #A81D44 #8AA81D #1DA880

square

#3B1DA8 #A81D44 #8AA81D #1DA880

split-complementary

#3B1DA8 #A8801D #44A81D

monochromatic

#160B40 #291474 #3B1DA8 #4F28DA #795CE3

Accessibility & contrast

On white

10.90

#3B1DA8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#3B1DA8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B1DA8

10.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B1DA8	#FFFFFF	#000000	##FFFFFF
##3B1DA8	1.00	10.90	1.93	10.90
#FFFFFF	10.90	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0041AC

Deuteranopia (green-blind)

#0038A6

Tritanopia (blue-blind)

#004964

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #3b1da8;
/* rgb */ color: rgb(59, 29, 168);
/* oklch */ color: oklch(38.2% 0.201 281.1);

Tailwind

colors: {
  custom: {
    50: '#815fc3',
    500: '#3b1da8',
    950: '#000000',
  },
}

SCSS

$custom: #3b1da8;
$custom-light: #815fc3;
$custom-dark: #000000;

JSON

{
  "hex": "#3b1da8",
  "rgb": {
    "r": 59,
    "g": 29,
    "b": 168
  },
  "hsl": {
    "h": 252.95,
    "s": 70.558,
    "l": 38.627
  },
  "oklch": {
    "l": 0.38229,
    "c": 0.20078,
    "h": 281.1
  },
  "luminance": 0.04636
}

Semantic roles & 50–950 ramp

primary

#3B1DA8

secondary

#AFC75A

accent

#ED3AC7

background

#F8F5FC

surface

#F0EAF8

border

#CBC6D1

text

#0C0513

muted

#7D7982

Preview Lab

Preview with #3B1DA8

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

Preview Lab → · Contrast checker → · Palette generator →