#381A66#381A66

#381A66 is a dark, vivid violet. Relative luminance 0.025; OKLCH L 30.8% C 0.125 H 296.3°. Best body text is #FFFFFF at 13.93:1 contrast (WCAG AA passes).

Color values

HEX	#381A66
RGB	rgb(56, 26, 102)
HSL	hsl(264, 59%, 25%)
HSV	hsv(264, 75%, 40%)
CMYK	cmyk(45.1%, 74.5%, 0%, 60%)
CIE-LAB	lab(18.09, 32.55, -39.26)
CIE-LCH	lch(18.09, 51.00, 309.66°)
OKLab	oklab(30.83% 0.0555 -0.1122)
OKLCH	oklch(30.83% 0.125 296.3)
XYZ	xyz(4.3979, 2.5388, 12.8261)
Luminance	0.0254 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Dark Indigo

#1F0954

ΔE00 5.36

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#381A66 #48661A

analogous

#1A2266 #381A66 #5E1A66

triadic

#381A66 #66381A #1A6638

tetradic

#381A66 #661A22 #48661A #1A665E

square

#381A66 #661A22 #48661A #1A665E

split-complementary

#381A66 #665E1A #22661A

monochromatic

#0D0618 #1D0E35 #381A66 #532697 #6E33C8

Accessibility & contrast

On white

13.93

#381A66 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#381A66 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #381A66

13.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##381A66	#FFFFFF	#000000	##FFFFFF
##381A66	1.00	13.93	1.51	13.93
#FFFFFF	13.93	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D68

Deuteranopia (green-blind)

#002B64

Tritanopia (blue-blind)

#2C2D3E

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #381a66;
/* rgb */ color: rgb(56, 26, 102);
/* oklch */ color: oklch(30.8% 0.125 296.3);

Tailwind

colors: {
  custom: {
    50: '#735992',
    500: '#381a66',
    950: '#000000',
  },
}

SCSS

$custom: #381a66;
$custom-light: #735992;
$custom-dark: #000000;

JSON

{
  "hex": "#381a66",
  "rgb": {
    "r": 56,
    "g": 26,
    "b": 102
  },
  "hsl": {
    "h": 263.684,
    "s": 59.375,
    "l": 25.098
  },
  "oklch": {
    "l": 0.30831,
    "c": 0.12523,
    "h": 296.3
  },
  "luminance": 0.02539
}

Semantic roles & 50–950 ramp

primary

#381A66

secondary

#789C40

accent

#E345A4

background

#F7F5F9

surface

#EDE9F1

border

#C8C5CB

text

#08040D

muted

#7B797E

Preview Lab

Preview with #381A66

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

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