#3658C4#3658C4

#3658C4 is a mid, vivid blue. Relative luminance 0.117; OKLCH L 49.9% C 0.173 H 266.7°. Best body text is #FFFFFF at 6.27:1 contrast (WCAG AA passes).

Color values

HEX#3658C4
RGBrgb(54, 88, 196)
HSLhsl(226, 57%, 49%)
HSVhsv(226, 72%, 77%)
CMYKcmyk(72.4%, 55.1%, 0%, 23.1%)
CIE-LABlab(40.81, 25.15, -60.06)
CIE-LCHlch(40.81, 65.11, 292.72°)
OKLaboklab(49.9% -0.0098 -0.173)
OKLCHoklch(49.9% 0.173 266.7)
XYZxyz(14.9714, 11.7477, 53.6924)
Luminance0.1175 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3658C4 #C4A236
analogous
#369FC4 #3658C4 #5B36C4
triadic
#3658C4 #C43658 #58C436
tetradic
#3658C4 #C4369F #C4A236 #36C45B
square
#3658C4 #C4369F #C4A236 #36C45B
split-complementary
#3658C4 #C45B36 #9FC436
monochromatic
#1C2D64 #294294 #3658C4 #637ED4 #93A6E1

Accessibility & contrast

On white

6.27
#3658C4 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.35
#3658C4 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3658C4
6.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3658C4#FFFFFF#000000##FFFFFF
##3658C41.006.273.356.27
#FFFFFF6.271.0021.001.00
#0000003.3521.001.0021.00
##FFFFFF6.271.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0067C8
Deuteranopia (green-blind)
#005AC2
Tritanopia (blue-blind)
#007285
Achromatopsia (no color)
#606060

Design tokens & code

CSS
--color: #3658c4;
/* rgb */ color: rgb(54, 88, 196);
/* oklch */ color: oklch(49.9% 0.173 266.7);
Tailwind
colors: {
  custom: {
    50: '#8086d7',
    500: '#3658c4',
    950: '#000000',
  },
}
SCSS
$custom: #3658c4;
$custom-light: #8086d7;
$custom-dark: #000000;
JSON
{
  "hex": "#3658c4",
  "rgb": {
    "r": 54,
    "g": 88,
    "b": 196
  },
  "hsl": {
    "h": 225.634,
    "s": 56.8,
    "l": 49.02
  },
  "oklch": {
    "l": 0.49904,
    "c": 0.1733,
    "h": 266.7
  },
  "luminance": 0.11749
}

Semantic roles & 50–950 ramp

primary
#3658C4
secondary
#CCBC89
accent
#BC48E0
background
#F8F8FD
surface
#F0EFFA
border
#CBCAD3
text
#0C0B14
muted
#7D7C83

Preview Lab

Preview with #3658C4

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

Preview Lab → · Contrast checker → · Palette generator →

#3658C4 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva