#351B9B#351B9B

#351B9B is a dark, vivid violet. Relative luminance 0.039; OKLCH L 36.1% C 0.189 H 280.6°. Best body text is #FFFFFF at 11.79:1 contrast (WCAG AA passes).

Color values

HEX	#351B9B
RGB	rgb(53, 27, 155)
HSL	hsl(252, 70%, 36%)
HSV	hsv(252, 83%, 61%)
CMYK	cmyk(65.8%, 82.6%, 0%, 39.2%)
CIE-LAB	lab(23.36, 47.39, -64.20)
CIE-LCH	lch(23.36, 79.80, 306.43°)
OKLab	oklab(36.07% 0.0346 -0.1853)
OKLCH	oklch(36.07% 0.189 280.6)
XYZ	xyz(7.7747, 3.9067, 31.3484)
Luminance	0.0391 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#351B9B #819B1B

analogous

#1B419B #351B9B #751B9B

triadic

#351B9B #9B351B #1B9B35

tetradic

#351B9B #9B1B41 #819B1B #1B9B75

square

#351B9B #9B1B41 #819B1B #1B9B75

split-complementary

#351B9B #9B751B #419B1B

monochromatic

#110933 #231267 #351B9B #4724CF #6D50E0

Accessibility & contrast

On white

11.79

#351B9B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#351B9B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #351B9B

11.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##351B9B	#FFFFFF	#000000	##FFFFFF
##351B9B	1.00	11.79	1.78	11.79
#FFFFFF	11.79	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C9E

Deuteranopia (green-blind)

#003399

Tritanopia (blue-blind)

#00435C

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #351b9b;
/* rgb */ color: rgb(53, 27, 155);
/* oklch */ color: oklch(36.1% 0.189 280.6);

Tailwind

colors: {
  custom: {
    50: '#7b5dba',
    500: '#351b9b',
    950: '#000000',
  },
}

SCSS

$custom: #351b9b;
$custom-light: #7b5dba;
$custom-dark: #000000;

JSON

{
  "hex": "#351b9b",
  "rgb": {
    "r": 53,
    "g": 27,
    "b": 155
  },
  "hsl": {
    "h": 252.188,
    "s": 70.33,
    "l": 35.686
  },
  "oklch": {
    "l": 0.36073,
    "c": 0.18851,
    "h": 280.6
  },
  "luminance": 0.03907
}

Semantic roles & 50–950 ramp

primary

#351B9B

secondary

#ABC34F

accent

#ED3BC9

background

#F8F5FB

surface

#EFE9F6

border

#CAC5D0

text

#0B0412

muted

#7C7981

Preview Lab

Preview with #351B9B

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

Preview Lab → · Contrast checker → · Palette generator →