#381F8B#381F8B

#381F8B is a dark, vivid violet. Relative luminance 0.037; OKLCH L 35.1% C 0.165 H 284.6°. Best body text is #FFFFFF at 12.09:1 contrast (WCAG AA passes).

Color values

HEX	#381F8B
RGB	rgb(56, 31, 139)
HSL	hsl(254, 64%, 33%)
HSV	hsv(254, 78%, 55%)
CMYK	cmyk(59.7%, 77.7%, 0%, 45.5%)
CIE-LAB	lab(22.60, 40.98, -55.55)
CIE-LCH	lch(22.60, 69.03, 306.42°)
OKLab	oklab(35.1% 0.0417 -0.16)
OKLCH	oklch(35.1% 0.165 284.6)
XYZ	xyz(6.7797, 3.6844, 24.7750)
Luminance	0.0369 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#381F8B #728B1F

analogous

#1F3C8B #381F8B #6E1F8B

triadic

#381F8B #8B381F #1F8B38

tetradic

#381F8B #8B1F3C #728B1F #1F8B6E

square

#381F8B #8B1F3C #728B1F #1F8B6E

split-complementary

#381F8B #8B6E1F #3C8B1F

monochromatic

#100927 #241459 #381F8B #4C2ABD #6D4DD7

Accessibility & contrast

On white

12.09

#381F8B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#381F8B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #381F8B

12.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##381F8B	#FFFFFF	#000000	##FFFFFF
##381F8B	1.00	12.09	1.74	12.09
#FFFFFF	12.09	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00398E

Deuteranopia (green-blind)

#003389

Tritanopia (blue-blind)

#083E54

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #381f8b;
/* rgb */ color: rgb(56, 31, 139);
/* oklch */ color: oklch(35.1% 0.165 284.6);

Tailwind

colors: {
  custom: {
    50: '#795eae',
    500: '#381f8b',
    950: '#000000',
  },
}

SCSS

$custom: #381f8b;
$custom-light: #795eae;
$custom-dark: #000000;

JSON

{
  "hex": "#381f8b",
  "rgb": {
    "r": 56,
    "g": 31,
    "b": 139
  },
  "hsl": {
    "h": 253.889,
    "s": 63.529,
    "l": 33.333
  },
  "oklch": {
    "l": 0.35102,
    "c": 0.16539,
    "h": 284.6
  },
  "luminance": 0.03685
}

Semantic roles & 50–950 ramp

primary

#381F8B

secondary

#A1BA4C

accent

#E741C0

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#0A0410

muted

#7C797F

Preview Lab

Preview with #381F8B

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

Preview Lab → · Contrast checker → · Palette generator →