#351B78#351B78

#351B78 is a dark, vivid violet. Relative luminance 0.029; OKLCH L 32.4% C 0.147 H 288.0°. Best body text is #FFFFFF at 13.30:1 contrast (WCAG AA passes).

Color values

HEX	#351B78
RGB	rgb(53, 27, 120)
HSL	hsl(257, 63%, 29%)
HSV	hsv(257, 78%, 47%)
CMYK	cmyk(55.8%, 77.5%, 0%, 52.9%)
CIE-LAB	lab(19.62, 36.85, -48.44)
CIE-LCH	lch(19.62, 60.87, 307.26°)
OKLab	oklab(32.36% 0.0454 -0.1393)
OKLCH	oklch(32.36% 0.147 288)
XYZ	xyz(5.2493, 2.8966, 18.0482)
Luminance	0.0290 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

#4B006E

ΔE00 6.37

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#351B78 #5E781B

analogous

#1B3078 #351B78 #641B78

triadic

#351B78 #78351B #1B7835

tetradic

#351B78 #781B30 #5E781B #1B7864

square

#351B78 #781B30 #5E781B #1B7864

split-complementary

#351B78 #78641B #30781B

monochromatic

#0B0619 #1F1046 #351B78 #4B26AA #653BD3

Accessibility & contrast

On white

13.30

#351B78 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#351B78 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #351B78

13.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##351B78	#FFFFFF	#000000	##FFFFFF
##351B78	1.00	13.30	1.58	13.30
#FFFFFF	13.30	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00327B

Deuteranopia (green-blind)

#002D76

Tritanopia (blue-blind)

#1A3548

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #351b78;
/* rgb */ color: rgb(53, 27, 120);
/* oklch */ color: oklch(32.4% 0.147 288.0);

Tailwind

colors: {
  custom: {
    50: '#745aa0',
    500: '#351b78',
    950: '#000000',
  },
}

SCSS

$custom: #351b78;
$custom-light: #745aa0;
$custom-dark: #000000;

JSON

{
  "hex": "#351b78",
  "rgb": {
    "r": 53,
    "g": 27,
    "b": 120
  },
  "hsl": {
    "h": 256.774,
    "s": 63.265,
    "l": 28.824
  },
  "oklch": {
    "l": 0.32355,
    "c": 0.14651,
    "h": 288
  },
  "luminance": 0.02897
}

Semantic roles & 50–950 ramp

primary

#351B78

secondary

#8FAC43

accent

#E641B8

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#09040F

muted

#7B797E

Preview Lab

Preview with #351B78

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

Preview Lab → · Contrast checker → · Palette generator →