#3B74DE#3B74DE

#3B74DE is a mid, vivid blue. Relative luminance 0.187; OKLCH L 57.8% C 0.173 H 261.5°. Best body text is #000000 at 4.74:1 contrast (WCAG AA passes).

Color values

HEX#3B74DE
RGBrgb(59, 116, 222)
HSLhsl(219, 71%, 55%)
HSVhsv(219, 73%, 87%)
CMYKcmyk(73.4%, 47.7%, 0%, 12.9%)
CIE-LABlab(50.33, 17.48, -59.55)
CIE-LCHlch(50.33, 62.06, 286.36°)
OKLaboklab(57.75% -0.0257 -0.171)
OKLCHoklch(57.75% 0.173 261.5)
XYZxyz(21.2291, 18.6922, 71.5822)
Luminance0.1870 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3B74DE #DEA53B
analogous
#3BC6DE #3B74DE #533BDE
triadic
#3B74DE #DE3B74 #74DE3B
tetradic
#3B74DE #DE3BC6 #DEA53B #3BDE53
square
#3B74DE #DE3BC6 #DEA53B #3BDE53
split-complementary
#3B74DE #DE533B #C6DE3B
monochromatic
#173E88 #2056BC #3B74DE #6F99E7 #A4BEF0

Accessibility & contrast

On white

4.43
#3B74DE on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.74
#3B74DE on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B74DE
4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3B74DE#FFFFFF#000000##000000
##3B74DE1.004.434.744.74
#FFFFFF4.431.0021.0021.00
#0000004.7421.001.001.00
##0000004.7421.001.001.00

Color blindness preview

Protanopia (red-blind)
#3980E2
Deuteranopia (green-blind)
#0071DC
Tritanopia (blue-blind)
#008D9E
Achromatopsia (no color)
#787878

Design tokens & code

CSS
--color: #3b74de;
/* rgb */ color: rgb(59, 116, 222);
/* oklch */ color: oklch(57.8% 0.173 261.5);
Tailwind
colors: {
  custom: {
    50: '#869be9',
    500: '#3b74de',
    950: '#000000',
  },
}
SCSS
$custom: #3b74de;
$custom-light: #869be9;
$custom-dark: #000000;
JSON
{
  "hex": "#3b74de",
  "rgb": {
    "r": 59,
    "g": 116,
    "b": 222
  },
  "hsl": {
    "h": 219.018,
    "s": 71.179,
    "l": 55.098
  },
  "oklch": {
    "l": 0.57754,
    "c": 0.17288,
    "h": 261.5
  },
  "luminance": 0.18695
}

Semantic roles & 50–950 ramp

primary
#3B74DE
secondary
#DDC598
accent
#AF3AEE
background
#F9F9FE
surface
#F1F2FD
border
#CBCCD5
text
#0D0E16
muted
#7E7E84

Preview Lab

Preview with #3B74DE

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

Preview Lab → · Contrast checker → · Palette generator →

#3B74DE Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva