#3F29BD#3F29BD

#3F29BD is a dark, highly saturated blue. Relative luminance 0.063; OKLCH L 42.1% C 0.214 H 278.7°. Best body text is #FFFFFF at 9.28:1 contrast (WCAG AA passes).

Color values

HEX#3F29BD
RGBrgb(63, 41, 189)
HSLhsl(249, 64%, 45%)
HSVhsv(249, 78%, 74%)
CMYKcmyk(66.7%, 78.3%, 0%, 25.9%)
CIE-LABlab(30.20, 51.89, -73.32)
CIE-LCHlch(30.20, 89.83, 305.29°)
OKLaboklab(42.13% 0.0322 -0.2118)
OKLCHoklch(42.13% 0.214 278.7)
XYZxyz(12.0252, 6.3157, 48.7196)
Luminance0.0632 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3F29BD #A7BD29
analogous
#295DBD #3F29BD #8929BD
triadic
#3F29BD #BD3F29 #29BD3F
tetradic
#3F29BD #BD295D #A7BD29 #29BD89
square
#3F29BD #BD295D #A7BD29 #29BD89
split-complementary
#3F29BD #BD8929 #5DBD29
monochromatic
#1D1358 #2E1E8B #3F29BD #604BD8 #8D7DE3

Accessibility & contrast

On white

9.28
#3F29BD on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.26
#3F29BD on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F29BD
9.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3F29BD#FFFFFF#000000##FFFFFF
##3F29BD1.009.282.269.28
#FFFFFF9.281.0021.001.00
#0000002.2621.001.0021.00
##FFFFFF9.281.0021.001.00

Color blindness preview

Protanopia (red-blind)
#004DC1
Deuteranopia (green-blind)
#0041BA
Tritanopia (blue-blind)
#005573
Achromatopsia (no color)
#474747

Design tokens & code

CSS
--color: #3f29bd;
/* rgb */ color: rgb(63, 41, 189);
/* oklch */ color: oklch(42.1% 0.214 278.7);
Tailwind
colors: {
  custom: {
    50: '#8667d2',
    500: '#3f29bd',
    950: '#000000',
  },
}
SCSS
$custom: #3f29bd;
$custom-light: #8667d2;
$custom-dark: #000000;
JSON
{
  "hex": "#3f29bd",
  "rgb": {
    "r": 63,
    "g": 41,
    "b": 189
  },
  "hsl": {
    "h": 248.919,
    "s": 64.348,
    "l": 45.098
  },
  "oklch": {
    "l": 0.42127,
    "c": 0.21422,
    "h": 278.7
  },
  "luminance": 0.06317
}

Semantic roles & 50–950 ramp

primary
#3F29BD
secondary
#BFCB77
accent
#E740CF
background
#F9F6FD
surface
#F1EBFA
border
#CBC6D3
text
#0D0614
muted
#7E7A83

Preview Lab

Preview with #3F29BD

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

Preview Lab → · Contrast checker → · Palette generator →

#3F29BD Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva