#381C6B#381C6B

#381C6B is a dark, vivid violet. Relative luminance 0.027; OKLCH L 31.6% C 0.129 H 294.0°. Best body text is #FFFFFF at 13.58:1 contrast (WCAG AA passes).

Color values

HEX	#381C6B
RGB	rgb(56, 28, 107)
HSL	hsl(261, 59%, 26%)
HSV	hsv(261, 74%, 42%)
CMYK	cmyk(47.7%, 73.8%, 0%, 58%)
CIE-LAB	lab(18.94, 32.91, -41.15)
CIE-LCH	lch(18.94, 52.69, 308.65°)
OKLab	oklab(31.57% 0.0523 -0.1178)
OKLCH	oklch(31.57% 0.129 294)
XYZ	xyz(4.6993, 2.7327, 14.1869)
Luminance	0.0273 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue

#191970

ΔE00 5.13

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#381C6B #4F6B1C

analogous

#1C286B #381C6B #601C6B

triadic

#381C6B #6B381C #1C6B38

tetradic

#381C6B #6B1C28 #4F6B1C #1C6B60

square

#381C6B #6B1C28 #4F6B1C #1C6B60

split-complementary

#381C6B #6B601C #286B1C

monochromatic

#0D0618 #1F0F3A #381C6B #51299C #6B37CB

Accessibility & contrast

On white

13.58

#381C6B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#381C6B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #381C6B

13.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##381C6B	#FFFFFF	#000000	##FFFFFF
##381C6B	1.00	13.58	1.55	13.58
#FFFFFF	13.58	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F6D

Deuteranopia (green-blind)

#002D69

Tritanopia (blue-blind)

#293041

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #381c6b;
/* rgb */ color: rgb(56, 28, 107);
/* oklch */ color: oklch(31.6% 0.129 294.0);

Tailwind

colors: {
  custom: {
    50: '#745b96',
    500: '#381c6b',
    950: '#000000',
  },
}

SCSS

$custom: #381c6b;
$custom-light: #745b96;
$custom-dark: #000000;

JSON

{
  "hex": "#381c6b",
  "rgb": {
    "r": 56,
    "g": 28,
    "b": 107
  },
  "hsl": {
    "h": 261.266,
    "s": 58.519,
    "l": 26.471
  },
  "oklch": {
    "l": 0.31573,
    "c": 0.12892,
    "h": 294
  },
  "luminance": 0.02733
}

Semantic roles & 50–950 ramp

primary

#381C6B

secondary

#7FA043

accent

#E246AB

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#09040D

muted

#7B797E

Preview Lab

Preview with #381C6B

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

Preview Lab → · Contrast checker → · Palette generator →