#3764C3#3764C3

#3764C3 is a mid, vivid blue. Relative luminance 0.139; OKLCH L 52.3% C 0.157 H 263.0°. Best body text is #FFFFFF at 5.57:1 contrast (WCAG AA passes).

Color values

HEX#3764C3
RGBrgb(55, 100, 195)
HSLhsl(221, 56%, 49%)
HSVhsv(221, 72%, 76%)
CMYKcmyk(71.8%, 48.7%, 0%, 23.5%)
CIE-LABlab(44.04, 17.17, -54.26)
CIE-LCHlch(44.04, 56.91, 287.56°)
OKLaboklab(52.34% -0.019 -0.1557)
OKLCHoklch(52.34% 0.157 263)
XYZxyz(15.9795, 13.8650, 53.4532)
Luminance0.1387 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3764C3 #C39637
analogous
#37AAC3 #3764C3 #5037C3
triadic
#3764C3 #C33764 #64C337
tetradic
#3764C3 #C337AA #C39637 #37C350
square
#3764C3 #C337AA #C39637 #37C350
split-complementary
#3764C3 #C35037 #AAC337
monochromatic
#1C3364 #2A4C93 #3764C3 #6488D3 #94ACE1

Accessibility & contrast

On white

5.57
#3764C3 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.77
#3764C3 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3764C3
5.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3764C3#FFFFFF#000000##FFFFFF
##3764C31.005.573.775.57
#FFFFFF5.571.0021.001.00
#0000003.7721.001.0021.00
##FFFFFF5.571.0021.001.00

Color blindness preview

Protanopia (red-blind)
#2F6FC6
Deuteranopia (green-blind)
#0062C1
Tritanopia (blue-blind)
#007A8A
Achromatopsia (no color)
#686868

Design tokens & code

CSS
--color: #3764c3;
/* rgb */ color: rgb(55, 100, 195);
/* oklch */ color: oklch(52.3% 0.157 263.0);
Tailwind
colors: {
  custom: {
    50: '#7f8fd6',
    500: '#3764c3',
    950: '#000000',
  },
}
SCSS
$custom: #3764c3;
$custom-light: #7f8fd6;
$custom-dark: #000000;
JSON
{
  "hex": "#3764c3",
  "rgb": {
    "r": 55,
    "g": 100,
    "b": 195
  },
  "hsl": {
    "h": 220.714,
    "s": 56,
    "l": 49.02
  },
  "oklch": {
    "l": 0.52342,
    "c": 0.1569,
    "h": 263
  },
  "luminance": 0.13867
}

Semantic roles & 50–950 ramp

primary
#3764C3
secondary
#CCB78A
accent
#AF49DF
background
#F8F8FD
surface
#F0F0FA
border
#CBCBD3
text
#0B0C14
muted
#7C7D83

Preview Lab

Preview with #3764C3

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

Preview Lab → · Contrast checker → · Palette generator →

#3764C3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva