#381B6B#381B6B

#381B6B is a dark, vivid violet. Relative luminance 0.027; OKLCH L 31.4% C 0.130 H 294.2°. Best body text is #FFFFFF at 13.66:1 contrast (WCAG AA passes).

Color values

HEX	#381B6B
RGB	rgb(56, 27, 107)
HSL	hsl(262, 60%, 26%)
HSV	hsv(262, 75%, 42%)
CMYK	cmyk(47.7%, 74.8%, 0%, 58%)
CIE-LAB	lab(18.74, 33.47, -41.48)
CIE-LCH	lch(18.74, 53.30, 308.90°)
OKLab	oklab(31.43% 0.0534 -0.1188)
OKLCH	oklch(31.43% 0.13 294.2)
XYZ	xyz(4.6759, 2.6860, 14.1792)
Luminance	0.0269 (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

#381B6B #4E6B1B

analogous

#1B266B #381B6B #601B6B

triadic

#381B6B #6B381B #1B6B38

tetradic

#381B6B #6B1B26 #4E6B1B #1B6B60

square

#381B6B #6B1B26 #4E6B1B #1B6B60

split-complementary

#381B6B #6B601B #266B1B

monochromatic

#0D0618 #1E0F3A #381B6B #52279C #6B35CC

Accessibility & contrast

On white

13.66

#381B6B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#381B6B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #381B6B

13.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##381B6B	#FFFFFF	#000000	##FFFFFF
##381B6B	1.00	13.66	1.54	13.66
#FFFFFF	13.66	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E6D

Deuteranopia (green-blind)

#002C69

Tritanopia (blue-blind)

#292F41

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #381b6b;
/* rgb */ color: rgb(56, 27, 107);
/* oklch */ color: oklch(31.4% 0.130 294.2);

Tailwind

colors: {
  custom: {
    50: '#745a96',
    500: '#381b6b',
    950: '#000000',
  },
}

SCSS

$custom: #381b6b;
$custom-light: #745a96;
$custom-dark: #000000;

JSON

{
  "hex": "#381b6b",
  "rgb": {
    "r": 56,
    "g": 27,
    "b": 107
  },
  "hsl": {
    "h": 261.75,
    "s": 59.701,
    "l": 26.275
  },
  "oklch": {
    "l": 0.31431,
    "c": 0.13022,
    "h": 294.2
  },
  "luminance": 0.02686
}

Semantic roles & 50–950 ramp

primary

#381B6B

secondary

#7EA042

accent

#E345AA

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#09040D

muted

#7B797E

Preview Lab

Preview with #381B6B

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

Preview Lab → · Contrast checker → · Palette generator →