#3F23BC#3F23BC

#3F23BC is a dark, highly saturated violet. Relative luminance 0.059; OKLCH L 41.4% C 0.218 H 279.3°. Best body text is #FFFFFF at 9.64:1 contrast (WCAG AA passes).

Color values

HEX	#3F23BC
RGB	rgb(63, 35, 188)
HSL	hsl(251, 69%, 44%)
HSV	hsv(251, 81%, 74%)
CMYK	cmyk(66.5%, 81.4%, 0%, 26.3%)
CIE-LAB	lab(29.13, 54.38, -74.50)
CIE-LCH	lch(29.13, 92.23, 306.13°)
OKLab	oklab(41.36% 0.0354 -0.2151)
OKLCH	oklch(41.36% 0.218 279.3)
XYZ	xyz(11.7251, 5.8887, 48.0859)
Luminance	0.0589 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F23BC #A0BC23

analogous

#2354BC #3F23BC #8B23BC

triadic

#3F23BC #BC3F23 #23BC3F

tetradic

#3F23BC #BC2354 #A0BC23 #23BC8B

square

#3F23BC #BC2354 #A0BC23 #23BC8B

split-complementary

#3F23BC #BC8B23 #54BC23

monochromatic

#1C1055 #2E1988 #3F23BC #5D41DC #8974E5

Accessibility & contrast

On white

9.64

#3F23BC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#3F23BC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F23BC

9.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F23BC	#FFFFFF	#000000	##FFFFFF
##3F23BC	1.00	9.64	2.18	9.64
#FFFFFF	9.64	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AC0

Deuteranopia (green-blind)

#003FB9

Tritanopia (blue-blind)

#005371

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #3f23bc;
/* rgb */ color: rgb(63, 35, 188);
/* oklch */ color: oklch(41.4% 0.218 279.3);

Tailwind

colors: {
  custom: {
    50: '#8664d2',
    500: '#3f23bc',
    950: '#000000',
  },
}

SCSS

$custom: #3f23bc;
$custom-light: #8664d2;
$custom-dark: #000000;

JSON

{
  "hex": "#3f23bc",
  "rgb": {
    "r": 63,
    "g": 35,
    "b": 188
  },
  "hsl": {
    "h": 250.98,
    "s": 68.61,
    "l": 43.725
  },
  "oklch": {
    "l": 0.41355,
    "c": 0.218,
    "h": 279.3
  },
  "luminance": 0.0589
}

Semantic roles & 50–950 ramp

primary

#3F23BC

secondary

#BBCC6F

accent

#EB3CCB

background

#F9F6FD

surface

#F1EBFA

border

#CBC6D3

text

#0D0614

muted

#7E7A83

Preview Lab

Preview with #3F23BC

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

Preview Lab → · Contrast checker → · Palette generator →