#3F2CB9#3F2CB9

#3F2CB9 is a dark, highly saturated blue. Relative luminance 0.064; OKLCH L 42.1% C 0.207 H 278.8°. Best body text is #FFFFFF at 9.24:1 contrast (WCAG AA passes).

Color values

HEX#3F2CB9
RGBrgb(63, 44, 185)
HSLhsl(248, 62%, 45%)
HSVhsv(248, 76%, 73%)
CMYKcmyk(65.9%, 76.2%, 0%, 27.5%)
CIE-LABlab(30.30, 49.18, -70.78)
CIE-LCHlch(30.30, 86.19, 304.79°)
OKLaboklab(42.08% 0.0316 -0.2044)
OKLCHoklch(42.08% 0.207 278.8)
XYZxyz(11.7047, 6.3599, 46.5003)
Luminance0.0636 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3F2CB9 #A6B92C
analogous
#2C60B9 #3F2CB9 #852CB9
triadic
#3F2CB9 #B93F2C #2CB93F
tetradic
#3F2CB9 #B92C60 #A6B92C #2CB985
square
#3F2CB9 #B92C60 #A6B92C #2CB985
split-complementary
#3F2CB9 #B9852C #60B92C
monochromatic
#1D1456 #2E2088 #3F2CB9 #604DD5 #8C7FE1

Accessibility & contrast

On white

9.24
#3F2CB9 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.27
#3F2CB9 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F2CB9
9.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3F2CB9#FFFFFF#000000##FFFFFF
##3F2CB91.009.242.279.24
#FFFFFF9.241.0021.001.00
#0000002.2721.001.0021.00
##FFFFFF9.241.0021.001.00

Color blindness preview

Protanopia (red-blind)
#004DBD
Deuteranopia (green-blind)
#0042B6
Tritanopia (blue-blind)
#005571
Achromatopsia (no color)
#474747

Design tokens & code

CSS
--color: #3f2cb9;
/* rgb */ color: rgb(63, 44, 185);
/* oklch */ color: oklch(42.1% 0.207 278.8);
Tailwind
colors: {
  custom: {
    50: '#8568cf',
    500: '#3f2cb9',
    950: '#000000',
  },
}
SCSS
$custom: #3f2cb9;
$custom-light: #8568cf;
$custom-dark: #000000;
JSON
{
  "hex": "#3f2cb9",
  "rgb": {
    "r": 63,
    "g": 44,
    "b": 185
  },
  "hsl": {
    "h": 248.085,
    "s": 61.572,
    "l": 44.902
  },
  "oklch": {
    "l": 0.42078,
    "c": 0.20683,
    "h": 278.8
  },
  "luminance": 0.06361
}

Semantic roles & 50–950 ramp

primary
#3F2CB9
secondary
#BEC978
accent
#E543CF
background
#F8F6FC
surface
#F0EBF9
border
#CBC6D2
text
#0C0614
muted
#7D7A82

Preview Lab

Preview with #3F2CB9

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

Preview Lab → · Contrast checker → · Palette generator →

#3F2CB9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva