#381FC2#381FC2

#381FC2 is a dark, highly saturated blue. Relative luminance 0.057; OKLCH L 41.1% C 0.229 H 276.3°. Best body text is #FFFFFF at 9.80:1 contrast (WCAG AA passes).

Color values

HEX	#381FC2
RGB	rgb(56, 31, 194)
HSL	hsl(249, 72%, 44%)
HSV	hsv(249, 84%, 76%)
CMYK	cmyk(71.1%, 84%, 0%, 23.9%)
CIE-LAB	lab(28.68, 57.23, -78.80)
CIE-LCH	lch(28.68, 97.39, 305.99°)
OKLab	oklab(41.1% 0.0251 -0.2277)
OKLCH	oklch(41.1% 0.229 276.3)
XYZ	xyz(11.8553, 5.7146, 51.5067)
Luminance	0.0572 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#381FC2 #A9C21F

analogous

#1F58C2 #381FC2 #891FC2

triadic

#381FC2 #C2381F #1FC238

tetradic

#381FC2 #C21F58 #A9C21F #1FC289

square

#381FC2 #C21F58 #A9C21F #1FC289

split-complementary

#381FC2 #C2891F #58C21F

monochromatic

#1A0E58 #29178D #381FC2 #573EE0 #8573E9

Accessibility & contrast

On white

9.80

#381FC2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#381FC2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #381FC2

9.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##381FC2	#FFFFFF	#000000	##FFFFFF
##381FC2	1.00	9.80	2.14	9.80
#FFFFFF	9.80	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AC6

Deuteranopia (green-blind)

#003CBF

Tritanopia (blue-blind)

#005474

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #381fc2;
/* rgb */ color: rgb(56, 31, 194);
/* oklch */ color: oklch(41.1% 0.229 276.3);

Tailwind

colors: {
  custom: {
    50: '#8562d6',
    500: '#381fc2',
    950: '#000000',
  },
}

SCSS

$custom: #381fc2;
$custom-light: #8562d6;
$custom-dark: #000000;

JSON

{
  "hex": "#381fc2",
  "rgb": {
    "r": 56,
    "g": 31,
    "b": 194
  },
  "hsl": {
    "h": 249.202,
    "s": 72.444,
    "l": 44.118
  },
  "oklch": {
    "l": 0.41103,
    "c": 0.22907,
    "h": 276.3
  },
  "luminance": 0.05716
}

Semantic roles & 50–950 ramp

primary

#381FC2

secondary

#C0CF6D

accent

#EF39D3

background

#F9F6FD

surface

#F1EBFA

border

#CBC6D3

text

#0D0515

muted

#7E7A83

Preview Lab

Preview with #381FC2

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

Preview Lab → · Contrast checker → · Palette generator →