#3F20B3#3F20B3

#3F20B3 is a dark, highly saturated violet. Relative luminance 0.053; OKLCH L 40.1% C 0.210 H 280.9°. Best body text is #FFFFFF at 10.15:1 contrast (WCAG AA passes).

Color values

HEX	#3F20B3
RGB	rgb(63, 32, 179)
HSL	hsl(253, 70%, 41%)
HSV	hsv(253, 82%, 70%)
CMYK	cmyk(64.8%, 82.1%, 0%, 29.8%)
CIE-LAB	lab(27.69, 53.10, -71.52)
CIE-LCH	lch(27.69, 89.08, 306.59°)
OKLab	oklab(40.07% 0.0396 -0.2064)
OKLCH	oklch(40.07% 0.21 280.9)
XYZ	xyz(10.7005, 5.3436, 43.1066)
Luminance	0.0534 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F20B3 #94B320

analogous

#204BB3 #3F20B3 #8920B3

triadic

#3F20B3 #B33F20 #20B33F

tetradic

#3F20B3 #B3204B #94B320 #20B389

square

#3F20B3 #B3204B #94B320 #20B389

split-complementary

#3F20B3 #B38920 #4BB320

monochromatic

#1A0D4B #2D177F #3F20B3 #5835DB #8369E4

Accessibility & contrast

On white

10.15

#3F20B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#3F20B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F20B3

10.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F20B3	#FFFFFF	#000000	##FFFFFF
##3F20B3	1.00	10.15	2.07	10.15
#FFFFFF	10.15	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0046B7

Deuteranopia (green-blind)

#003CB0

Tritanopia (blue-blind)

#004E6B

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #3f20b3;
/* rgb */ color: rgb(63, 32, 179);
/* oklch */ color: oklch(40.1% 0.210 280.9);

Tailwind

colors: {
  custom: {
    50: '#8462cb',
    500: '#3f20b3',
    950: '#000000',
  },
}

SCSS

$custom: #3f20b3;
$custom-light: #8462cb;
$custom-dark: #000000;

JSON

{
  "hex": "#3f20b3",
  "rgb": {
    "r": 63,
    "g": 32,
    "b": 179
  },
  "hsl": {
    "h": 252.653,
    "s": 69.668,
    "l": 41.373
  },
  "oklch": {
    "l": 0.40072,
    "c": 0.21019,
    "h": 280.9
  },
  "luminance": 0.05344
}

Semantic roles & 50–950 ramp

primary

#3F20B3

secondary

#B5CA65

accent

#EC3BC7

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0513

muted

#7D7A82

Preview Lab

Preview with #3F20B3

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

Preview Lab → · Contrast checker → · Palette generator →