#4379CD#4379CD

#4379CD is a mid, vivid blue. Relative luminance 0.193; OKLCH L 58.0% C 0.142 H 259.0°. Best body text is #000000 at 4.86:1 contrast (WCAG AA passes).

Color values

HEX#4379CD
RGBrgb(67, 121, 205)
HSLhsl(217, 58%, 53%)
HSVhsv(217, 67%, 80%)
CMYKcmyk(67.3%, 41%, 0%, 19.6%)
CIE-LABlab(51.01, 9.40, -48.81)
CIE-LCHlch(51.01, 49.71, 280.91°)
OKLaboklab(58.04% -0.0272 -0.1392)
OKLCHoklch(58.04% 0.142 259)
XYZxyz(20.1676, 19.2738, 60.4031)
Luminance0.1928 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4379CD #CD9743
analogous
#43BECD #4379CD #5243CD
triadic
#4379CD #CD4379 #79CD43
tetradic
#4379CD #CD43BE #CD9743 #43CD52
square
#4379CD #CD43BE #CD9743 #43CD52
split-complementary
#4379CD #CD5243 #BECD43
monochromatic
#1F4176 #2C5CA7 #4379CD #739BDA #A4BEE7

Accessibility & contrast

On white

4.33
#4379CD on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.86
#4379CD on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4379CD
4.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4379CD#FFFFFF#000000##000000
##4379CD1.004.334.864.86
#FFFFFF4.331.0021.0021.00
#0000004.8621.001.001.00
##0000004.8621.001.001.00

Color blindness preview

Protanopia (red-blind)
#5280D0
Deuteranopia (green-blind)
#3D74CB
Tritanopia (blue-blind)
#008C99
Achromatopsia (no color)
#797979

Design tokens & code

CSS
--color: #4379cd;
/* rgb */ color: rgb(67, 121, 205);
/* oklch */ color: oklch(58.0% 0.142 259.0);
Tailwind
colors: {
  custom: {
    50: '#869fdd',
    500: '#4379cd',
    950: '#000000',
  },
}
SCSS
$custom: #4379cd;
$custom-light: #869fdd;
$custom-dark: #000000;
JSON
{
  "hex": "#4379cd",
  "rgb": {
    "r": 67,
    "g": 121,
    "b": 205
  },
  "hsl": {
    "h": 216.522,
    "s": 57.983,
    "l": 53.333
  },
  "oklch": {
    "l": 0.58037,
    "c": 0.14181,
    "h": 259
  },
  "luminance": 0.19276
}

Semantic roles & 50–950 ramp

primary
#4379CD
secondary
#D4BC98
accent
#A547E1
background
#F8F9FD
surface
#F0F2FB
border
#CBCCD4
text
#0C0E15
muted
#7D7E83

Preview Lab

Preview with #4379CD

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

Preview Lab → · Contrast checker → · Palette generator →

#4379CD Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva