#3717B4#3717B4

#3717B4 is a dark, highly saturated violet. Relative luminance 0.047; OKLCH L 38.7% C 0.219 H 278.1°. Best body text is #FFFFFF at 10.80:1 contrast (WCAG AA passes).

Color values

HEX	#3717B4
RGB	rgb(55, 23, 180)
HSL	hsl(252, 77%, 40%)
HSV	hsv(252, 87%, 71%)
CMYK	cmyk(69.4%, 87.2%, 0%, 29.4%)
CIE-LAB	lab(25.92, 56.27, -75.08)
CIE-LCH	lch(25.92, 93.83, 306.85°)
OKLab	oklab(38.72% 0.0307 -0.2168)
OKLCH	oklch(38.72% 0.219 278.1)
XYZ	xyz(10.1175, 4.7194, 43.5489)
Luminance	0.0472 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3717B4 #94B417

analogous

#1746B4 #3717B4 #8517B4

triadic

#3717B4 #B43717 #17B437

tetradic

#3717B4 #B41746 #94B417 #17B485

square

#3717B4 #B41746 #94B417 #17B485

split-complementary

#3717B4 #B48517 #46B417

monochromatic

#160947 #26107E #3717B4 #4C25E3 #785BEA

Accessibility & contrast

On white

10.80

#3717B4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#3717B4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3717B4

10.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3717B4	#FFFFFF	#000000	##FFFFFF
##3717B4	1.00	10.80	1.94	10.80
#FFFFFF	10.80	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0043B8

Deuteranopia (green-blind)

#0037B1

Tritanopia (blue-blind)

#004C6A

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #3717b4;
/* rgb */ color: rgb(55, 23, 180);
/* oklch */ color: oklch(38.7% 0.219 278.1);

Tailwind

colors: {
  custom: {
    50: '#825dcc',
    500: '#3717b4',
    950: '#000000',
  },
}

SCSS

$custom: #3717b4;
$custom-light: #825dcc;
$custom-dark: #000000;

JSON

{
  "hex": "#3717b4",
  "rgb": {
    "r": 55,
    "g": 23,
    "b": 180
  },
  "hsl": {
    "h": 252.229,
    "s": 77.34,
    "l": 39.804
  },
  "oklch": {
    "l": 0.38719,
    "c": 0.21895,
    "h": 278.1
  },
  "luminance": 0.0472
}

Semantic roles & 50–950 ramp

primary

#3717B4

secondary

#B6CE59

accent

#F434CD

background

#F8F5FC

surface

#F0E9F9

border

#CBC5D2

text

#0C0514

muted

#7D7982

Preview Lab

Preview with #3717B4

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

Preview Lab → · Contrast checker → · Palette generator →