#3B43DD#3B43DD

#3B43DD is a mid, highly saturated blue. Relative luminance 0.102; OKLCH L 48.6% C 0.228 H 271.9°. Best body text is #FFFFFF at 6.92:1 contrast (WCAG AA passes).

Color values

HEX#3B43DD
RGBrgb(59, 67, 221)
HSLhsl(237, 70%, 55%)
HSVhsv(237, 73%, 87%)
CMYKcmyk(73.3%, 69.7%, 0%, 13.3%)
CIE-LABlab(38.13, 47.59, -78.84)
CIE-LCHlch(38.13, 92.09, 301.12°)
OKLaboklab(48.64% 0.0077 -0.2281)
OKLCHoklch(48.64% 0.228 271.9)
XYZxyz(16.8575, 10.1628, 69.4658)
Luminance0.1017 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3B43DD #DDD53B
analogous
#3B94DD #3B43DD #843BDD
triadic
#3B43DD #DD3B43 #43DD3B
tetradic
#3B43DD #DD3B94 #DDD53B #3BDD84
square
#3B43DD #DD3B94 #DDD53B #3BDD84
split-complementary
#3B43DD #DD843B #94DD3B
monochromatic
#171D86 #2028BA #3B43DD #6F75E6 #A3A7EF

Accessibility & contrast

On white

6.92
#3B43DD on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.03
#3B43DD on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B43DD
6.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3B43DD#FFFFFF#000000##FFFFFF
##3B43DD1.006.923.036.92
#FFFFFF6.921.0021.001.00
#0000003.0321.001.0021.00
##FFFFFF6.921.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0062E2
Deuteranopia (green-blind)
#0052DA
Tritanopia (blue-blind)
#006E8B
Achromatopsia (no color)
#5A5A5A

Design tokens & code

CSS
--color: #3b43dd;
/* rgb */ color: rgb(59, 67, 221);
/* oklch */ color: oklch(48.6% 0.228 271.9);
Tailwind
colors: {
  custom: {
    50: '#8978e9',
    500: '#3b43dd',
    950: '#000000',
  },
}
SCSS
$custom: #3b43dd;
$custom-light: #8978e9;
$custom-dark: #000000;
JSON
{
  "hex": "#3b43dd",
  "rgb": {
    "r": 59,
    "g": 67,
    "b": 221
  },
  "hsl": {
    "h": 237.037,
    "s": 70.435,
    "l": 54.902
  },
  "oklch": {
    "l": 0.48642,
    "c": 0.22825,
    "h": 271.9
  },
  "luminance": 0.10165
}

Semantic roles & 50–950 ramp

primary
#3B43DD
secondary
#DCD998
accent
#E43BED
background
#F9F7FE
surface
#F2EDFD
border
#CCC8D5
text
#0D0916
muted
#7E7B84

Preview Lab

Preview with #3B43DD

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

Preview Lab → · Contrast checker → · Palette generator →

#3B43DD Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva