#3B30BC#3B30BC

#3B30BC is a dark, highly saturated blue. Relative luminance 0.067; OKLCH L 42.6% C 0.207 H 276.5°. Best body text is #FFFFFF at 8.99:1 contrast (WCAG AA passes).

Color values

HEX#3B30BC
RGBrgb(59, 48, 188)
HSLhsl(245, 59%, 46%)
HSVhsv(245, 74%, 74%)
CMYKcmyk(68.6%, 74.5%, 0%, 26.3%)
CIE-LABlab(31.05, 47.57, -71.33)
CIE-LCHlch(31.05, 85.74, 303.70°)
OKLaboklab(42.62% 0.0233 -0.2061)
OKLCHoklch(42.62% 0.207 276.5)
XYZxyz(11.9347, 6.6735, 48.2264)
Luminance0.0668 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3B30BC #B1BC30
analogous
#306BBC #3B30BC #8130BC
triadic
#3B30BC #BC3B30 #30BC3B
tetradic
#3B30BC #BC306B #B1BC30 #30BC81
square
#3B30BC #BC306B #B1BC30 #30BC81
split-complementary
#3B30BC #BC8130 #6BBC30
monochromatic
#1C175A #2C248B #3B30BC #5F55D4 #8D86E0

Accessibility & contrast

On white

8.99
#3B30BC on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.34
#3B30BC on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B30BC
8.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3B30BC#FFFFFF#000000##FFFFFF
##3B30BC1.008.992.348.99
#FFFFFF8.991.0021.001.00
#0000002.3421.001.0021.00
##FFFFFF8.991.0021.001.00

Color blindness preview

Protanopia (red-blind)
#004FC0
Deuteranopia (green-blind)
#0043B9
Tritanopia (blue-blind)
#005874
Achromatopsia (no color)
#494949

Design tokens & code

CSS
--color: #3b30bc;
/* rgb */ color: rgb(59, 48, 188);
/* oklch */ color: oklch(42.6% 0.207 276.5);
Tailwind
colors: {
  custom: {
    50: '#836bd1',
    500: '#3b30bc',
    950: '#000000',
  },
}
SCSS
$custom: #3b30bc;
$custom-light: #836bd1;
$custom-dark: #000000;
JSON
{
  "hex": "#3b30bc",
  "rgb": {
    "r": 59,
    "g": 48,
    "b": 188
  },
  "hsl": {
    "h": 244.714,
    "s": 59.322,
    "l": 46.275
  },
  "oklch": {
    "l": 0.4262,
    "c": 0.20745,
    "h": 276.5
  },
  "luminance": 0.06675
}

Semantic roles & 50–950 ramp

primary
#3B30BC
secondary
#C4CA7E
accent
#E345D6
background
#F8F6FD
surface
#F0EBFA
border
#CBC6D3
text
#0C0714
muted
#7D7A83

Preview Lab

Preview with #3B30BC

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

Preview Lab → · Contrast checker → · Palette generator →

#3B30BC Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva