#381B7A#381B7A

#381B7A is a dark, vivid violet. Relative luminance 0.030; OKLCH L 32.9% C 0.149 H 289.5°. Best body text is #FFFFFF at 13.08:1 contrast (WCAG AA passes).

Color values

HEX	#381B7A
RGB	rgb(56, 27, 122)
HSL	hsl(258, 64%, 29%)
HSV	hsv(258, 78%, 48%)
CMYK	cmyk(54.1%, 77.9%, 0%, 52.2%)
CIE-LAB	lab(20.16, 37.93, -48.83)
CIE-LCH	lch(20.16, 61.83, 307.84°)
OKLab	oklab(32.87% 0.0496 -0.1403)
OKLCH	oklch(32.87% 0.149 289.5)
XYZ	xyz(5.5347, 3.0295, 18.7017)
Luminance	0.0303 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#381B7A #5D7A1B

analogous

#1B2E7A #381B7A #681B7A

triadic

#381B7A #7A381B #1B7A38

tetradic

#381B7A #7A1B2E #5D7A1B #1B7A68

square

#381B7A #7A1B2E #5D7A1B #1B7A68

split-complementary

#381B7A #7A681B #2E7A1B

monochromatic

#0C0619 #211048 #381B7A #4F26AC #6A3CD4

Accessibility & contrast

On white

13.08

#381B7A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#381B7A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #381B7A

13.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##381B7A	#FFFFFF	#000000	##FFFFFF
##381B7A	1.00	13.08	1.61	13.08
#FFFFFF	13.08	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00327D

Deuteranopia (green-blind)

#002E78

Tritanopia (blue-blind)

#1F3549

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #381b7a;
/* rgb */ color: rgb(56, 27, 122);
/* oklch */ color: oklch(32.9% 0.149 289.5);

Tailwind

colors: {
  custom: {
    50: '#765ba1',
    500: '#381b7a',
    950: '#000000',
  },
}

SCSS

$custom: #381b7a;
$custom-light: #765ba1;
$custom-dark: #000000;

JSON

{
  "hex": "#381b7a",
  "rgb": {
    "r": 56,
    "g": 27,
    "b": 122
  },
  "hsl": {
    "h": 258.316,
    "s": 63.758,
    "l": 29.216
  },
  "oklch": {
    "l": 0.32872,
    "c": 0.14885,
    "h": 289.5
  },
  "luminance": 0.0303
}

Semantic roles & 50–950 ramp

primary

#381B7A

secondary

#8DAE43

accent

#E741B4

background

#F7F5FA

surface

#EEE9F3

border

#C9C5CD

text

#09040F

muted

#7B797F

Preview Lab

Preview with #381B7A

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

Preview Lab → · Contrast checker → · Palette generator →