#3B3DDD#3B3DDD

#3B3DDD is a mid, highly saturated blue. Relative luminance 0.095; OKLCH L 47.8% C 0.234 H 272.6°. Best body text is #FFFFFF at 7.25:1 contrast (WCAG AA passes).

Color values

HEX#3B3DDD
RGBrgb(59, 61, 221)
HSLhsl(239, 70%, 55%)
HSVhsv(239, 73%, 87%)
CMYKcmyk(73.3%, 72.4%, 0%, 13.3%)
CIE-LABlab(36.90, 51.00, -80.87)
CIE-LCHlch(36.90, 95.61, 302.24°)
OKLaboklab(47.76% 0.0107 -0.234)
OKLCHoklch(47.76% 0.234 272.6)
XYZxyz(16.5191, 9.4860, 69.3530)
Luminance0.0949 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3B3DDD #DDDB3B
analogous
#3B8EDD #3B3DDD #8A3BDD
triadic
#3B3DDD #DD3B3D #3DDD3B
tetradic
#3B3DDD #DD3B8E #DDDB3B #3BDD8A
square
#3B3DDD #DD3B8E #DDDB3B #3BDD8A
split-complementary
#3B3DDD #DD8A3B #8EDD3B
monochromatic
#171986 #2022BA #3B3DDD #6F71E6 #A3A4EF

Accessibility & contrast

On white

7.25
#3B3DDD on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.90
#3B3DDD on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B3DDD
7.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3B3DDD#FFFFFF#000000##FFFFFF
##3B3DDD1.007.252.907.25
#FFFFFF7.251.0021.001.00
#0000002.9021.001.0021.00
##FFFFFF7.251.0021.001.00

Color blindness preview

Protanopia (red-blind)
#005FE2
Deuteranopia (green-blind)
#004FDA
Tritanopia (blue-blind)
#006B8A
Achromatopsia (no color)
#575757

Design tokens & code

CSS
--color: #3b3ddd;
/* rgb */ color: rgb(59, 61, 221);
/* oklch */ color: oklch(47.8% 0.234 272.6);
Tailwind
colors: {
  custom: {
    50: '#8974e9',
    500: '#3b3ddd',
    950: '#000000',
  },
}
SCSS
$custom: #3b3ddd;
$custom-light: #8974e9;
$custom-dark: #000000;
JSON
{
  "hex": "#3b3ddd",
  "rgb": {
    "r": 59,
    "g": 61,
    "b": 221
  },
  "hsl": {
    "h": 239.259,
    "s": 70.435,
    "l": 54.902
  },
  "oklch": {
    "l": 0.47762,
    "c": 0.23425,
    "h": 272.6
  },
  "luminance": 0.09488
}

Semantic roles & 50–950 ramp

primary
#3B3DDD
secondary
#DCDB98
accent
#EB3BED
background
#F9F7FE
surface
#F2EDFD
border
#CCC8D5
text
#0E0816
muted
#7E7B84

Preview Lab

Preview with #3B3DDD

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

Preview Lab → · Contrast checker → · Palette generator →

#3B3DDD Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva