#3E40C9#3E40C9

#3E40C9 is a mid, highly saturated blue. Relative luminance 0.089; OKLCH L 46.4% C 0.206 H 274.3°. Best body text is #FFFFFF at 7.55:1 contrast (WCAG AA passes).

Color values

HEX#3E40C9
RGBrgb(62, 64, 201)
HSLhsl(239, 56%, 52%)
HSVhsv(239, 69%, 79%)
CMYKcmyk(69.2%, 68.2%, 0%, 21.2%)
CIE-LABlab(35.80, 43.00, -71.12)
CIE-LCHlch(35.80, 83.11, 301.16°)
OKLaboklab(46.45% 0.0153 -0.2055)
OKLCHoklch(46.45% 0.206 274.3)
XYZxyz(14.3591, 8.9066, 56.2094)
Luminance0.0891 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3E40C9 #C9C73E
analogous
#3E86C9 #3E40C9 #823EC9
triadic
#3E40C9 #C93E40 #40C93E
tetradic
#3E40C9 #C93E86 #C9C73E #3EC982
square
#3E40C9 #C93E86 #C9C73E #3EC982
split-complementary
#3E40C9 #C9823E #86C93E
monochromatic
#1F206E #2C2E9E #3E40C9 #6E6FD6 #9E9FE4

Accessibility & contrast

On white

7.55
#3E40C9 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.78
#3E40C9 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3E40C9
7.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3E40C9#FFFFFF#000000##FFFFFF
##3E40C91.007.552.787.55
#FFFFFF7.551.0021.001.00
#0000002.7821.001.0021.00
##FFFFFF7.551.0021.001.00

Color blindness preview

Protanopia (red-blind)
#005BCD
Deuteranopia (green-blind)
#004EC6
Tritanopia (blue-blind)
#00657F
Achromatopsia (no color)
#545454

Design tokens & code

CSS
--color: #3e40c9;
/* rgb */ color: rgb(62, 64, 201);
/* oklch */ color: oklch(46.4% 0.206 274.3);
Tailwind
colors: {
  custom: {
    50: '#8676db',
    500: '#3e40c9',
    950: '#000000',
  },
}
SCSS
$custom: #3e40c9;
$custom-light: #8676db;
$custom-dark: #000000;
JSON
{
  "hex": "#3e40c9",
  "rgb": {
    "r": 62,
    "g": 64,
    "b": 201
  },
  "hsl": {
    "h": 239.137,
    "s": 56.275,
    "l": 51.569
  },
  "oklch": {
    "l": 0.46447,
    "c": 0.20608,
    "h": 274.3
  },
  "luminance": 0.08908
}

Semantic roles & 50–950 ramp

primary
#3E40C9
secondary
#D0CF93
accent
#DD48E0
background
#F9F7FD
surface
#F1EDFB
border
#CBC8D4
text
#0D0815
muted
#7E7B83

Preview Lab

Preview with #3E40C9

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

Preview Lab → · Contrast checker → · Palette generator →

#3E40C9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva