#3F3BC0#3F3BC0

#3F3BC0 is a dark, highly saturated blue. Relative luminance 0.080; OKLCH L 44.9% C 0.200 H 276.0°. Best body text is #FFFFFF at 8.08:1 contrast (WCAG AA passes).

Color values

HEX#3F3BC0
RGBrgb(63, 59, 192)
HSLhsl(242, 53%, 49%)
HSVhsv(242, 69%, 75%)
CMYKcmyk(67.2%, 69.3%, 0%, 24.7%)
CIE-LABlab(33.96, 43.09, -68.89)
CIE-LCHlch(33.96, 81.26, 302.03°)
OKLaboklab(44.88% 0.0209 -0.1989)
OKLCHoklch(44.88% 0.2 276)
XYZxyz(13.1252, 7.9893, 50.7094)
Luminance0.0799 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3F3BC0 #BCC03B
analogous
#3B79C0 #3F3BC0 #823BC0
triadic
#3F3BC0 #C03F3B #3BC03F
tetradic
#3F3BC0 #C03B79 #BCC03B #3BC082
square
#3F3BC0 #C03B79 #BCC03B #3BC082
split-complementary
#3F3BC0 #C0823B #79C03B
monochromatic
#201E62 #302D91 #3F3BC0 #6B68D1 #9997DF

Accessibility & contrast

On white

8.08
#3F3BC0 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.60
#3F3BC0 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F3BC0
8.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3F3BC0#FFFFFF#000000##FFFFFF
##3F3BC01.008.082.608.08
#FFFFFF8.081.0021.001.00
#0000002.6021.001.0021.00
##FFFFFF8.081.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0056C4
Deuteranopia (green-blind)
#004ABE
Tritanopia (blue-blind)
#005F79
Achromatopsia (no color)
#505050

Design tokens & code

CSS
--color: #3f3bc0;
/* rgb */ color: rgb(63, 59, 192);
/* oklch */ color: oklch(44.9% 0.200 276.0);
Tailwind
colors: {
  custom: {
    50: '#8572d4',
    500: '#3f3bc0',
    950: '#000000',
  },
}
SCSS
$custom: #3f3bc0;
$custom-light: #8572d4;
$custom-dark: #000000;
JSON
{
  "hex": "#3f3bc0",
  "rgb": {
    "r": 63,
    "g": 59,
    "b": 192
  },
  "hsl": {
    "h": 241.805,
    "s": 52.988,
    "l": 49.216
  },
  "oklch": {
    "l": 0.44884,
    "c": 0.20005,
    "h": 276
  },
  "luminance": 0.0799
}

Semantic roles & 50–950 ramp

primary
#3F3BC0
secondary
#C9CA8C
accent
#DC4BD8
background
#F8F7FD
surface
#F0EDFA
border
#CBC8D3
text
#0C0814
muted
#7D7B83

Preview Lab

Preview with #3F3BC0

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

Preview Lab → · Contrast checker → · Palette generator →

#3F3BC0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva