#391FC2#391FC2

#391FC2 is a dark, highly saturated blue. Relative luminance 0.057; OKLCH L 41.2% C 0.229 H 276.6°. Best body text is #FFFFFF at 9.77:1 contrast (WCAG AA passes).

Color values

HEX	#391FC2
RGB	rgb(57, 31, 194)
HSL	hsl(250, 72%, 44%)
HSV	hsv(250, 84%, 76%)
CMYK	cmyk(70.6%, 84%, 0%, 23.9%)
CIE-LAB	lab(28.76, 57.30, -78.67)
CIE-LCH	lch(28.76, 97.33, 306.07°)
OKLab	oklab(41.17% 0.0265 -0.2273)
OKLCH	oklch(41.17% 0.229 276.6)
XYZ	xyz(11.9118, 5.7438, 51.5094)
Luminance	0.0575 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#391FC2 #A8C21F

analogous

#1F56C2 #391FC2 #8B1FC2

triadic

#391FC2 #C2391F #1FC239

tetradic

#391FC2 #C21F56 #A8C21F #1FC28B

square

#391FC2 #C21F56 #A8C21F #1FC28B

split-complementary

#391FC2 #C28B1F #56C21F

monochromatic

#1A0E58 #29178D #391FC2 #583EE0 #8673E9

Accessibility & contrast

On white

9.77

#391FC2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#391FC2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #391FC2

9.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##391FC2	#FFFFFF	#000000	##FFFFFF
##391FC2	1.00	9.77	2.15	9.77
#FFFFFF	9.77	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AC6

Deuteranopia (green-blind)

#003DBF

Tritanopia (blue-blind)

#005474

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #391fc2;
/* rgb */ color: rgb(57, 31, 194);
/* oklch */ color: oklch(41.2% 0.229 276.6);

Tailwind

colors: {
  custom: {
    50: '#8562d6',
    500: '#391fc2',
    950: '#000000',
  },
}

SCSS

$custom: #391fc2;
$custom-light: #8562d6;
$custom-dark: #000000;

JSON

{
  "hex": "#391fc2",
  "rgb": {
    "r": 57,
    "g": 31,
    "b": 194
  },
  "hsl": {
    "h": 249.571,
    "s": 72.444,
    "l": 44.118
  },
  "oklch": {
    "l": 0.41174,
    "c": 0.22884,
    "h": 276.6
  },
  "luminance": 0.05745
}

Semantic roles & 50–950 ramp

primary

#391FC2

secondary

#C0CF6D

accent

#EF39D2

background

#F9F6FD

surface

#F1EBFA

border

#CBC6D3

text

#0D0515

muted

#7E7A83

Preview Lab

Preview with #391FC2

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

Preview Lab → · Contrast checker → · Palette generator →