#381B70#381B70

#381B70 is a dark, vivid violet. Relative luminance 0.028; OKLCH L 31.9% C 0.137 H 292.5°. Best body text is #FFFFFF at 13.47:1 contrast (WCAG AA passes).

Color values

HEX	#381B70
RGB	rgb(56, 27, 112)
HSL	hsl(260, 61%, 27%)
HSV	hsv(260, 76%, 44%)
CMYK	cmyk(50%, 75.9%, 0%, 56.1%)
CIE-LAB	lab(19.20, 34.95, -43.97)
CIE-LCH	lch(19.20, 56.17, 308.48°)
OKLab	oklab(31.9% 0.0523 -0.1261)
OKLCH	oklch(31.9% 0.137 292.5)
XYZ	xyz(4.9466, 2.7943, 15.6048)
Luminance	0.0279 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#381B70 #53701B

analogous

#1B2870 #381B70 #631B70

triadic

#381B70 #70381B #1B7038

tetradic

#381B70 #701B28 #53701B #1B7063

square

#381B70 #701B28 #53701B #1B7063

split-complementary

#381B70 #70631B #28701B

monochromatic

#0C0619 #1F0F3F #381B70 #5127A1 #6B37CF

Accessibility & contrast

On white

13.47

#381B70 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#381B70 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #381B70

13.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##381B70	#FFFFFF	#000000	##FFFFFF
##381B70	1.00	13.47	1.56	13.47
#FFFFFF	13.47	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003072

Deuteranopia (green-blind)

#002D6E

Tritanopia (blue-blind)

#273144

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #381b70;
/* rgb */ color: rgb(56, 27, 112);
/* oklch */ color: oklch(31.9% 0.137 292.5);

Tailwind

colors: {
  custom: {
    50: '#755a9a',
    500: '#381b70',
    950: '#000000',
  },
}

SCSS

$custom: #381b70;
$custom-light: #755a9a;
$custom-dark: #000000;

JSON

{
  "hex": "#381b70",
  "rgb": {
    "r": 56,
    "g": 27,
    "b": 112
  },
  "hsl": {
    "h": 260.471,
    "s": 61.151,
    "l": 27.255
  },
  "oklch": {
    "l": 0.319,
    "c": 0.1365,
    "h": 292.5
  },
  "luminance": 0.02794
}

Semantic roles & 50–950 ramp

primary

#381B70

secondary

#83A542

accent

#E444AD

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#09040E

muted

#7B797E

Preview Lab

Preview with #381B70

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

Preview Lab → · Contrast checker → · Palette generator →