#4379D1#4379D1

#4379D1 is a mid, vivid blue. Relative luminance 0.195; OKLCH L 58.3% C 0.147 H 259.7°. Best body text is #000000 at 4.89:1 contrast (WCAG AA passes).

Color values

HEX#4379D1
RGBrgb(67, 121, 209)
HSLhsl(217, 61%, 54%)
HSVhsv(217, 68%, 82%)
CMYKcmyk(67.9%, 42.1%, 0%, 18%)
CIE-LABlab(51.23, 10.82, -50.72)
CIE-LCHlch(51.23, 51.86, 282.04°)
OKLaboklab(58.29% -0.0263 -0.1448)
OKLCHoklch(58.29% 0.147 259.7)
XYZxyz(20.6566, 19.4694, 62.9786)
Luminance0.1947 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4379D1 #D19B43
analogous
#43C0D1 #4379D1 #5443D1
triadic
#4379D1 #D14379 #79D143
tetradic
#4379D1 #D143C0 #D19B43 #43D154
square
#4379D1 #D143C0 #D19B43 #43D154
split-complementary
#4379D1 #D15443 #C0D143
monochromatic
#1E427B #2A5CAD #4379D1 #749CDD #A5BFE9

Accessibility & contrast

On white

4.29
#4379D1 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.89
#4379D1 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4379D1
4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4379D1#FFFFFF#000000##000000
##4379D11.004.294.894.89
#FFFFFF4.291.0021.0021.00
#0000004.8921.001.001.00
##0000004.8921.001.001.00

Color blindness preview

Protanopia (red-blind)
#4F81D4
Deuteranopia (green-blind)
#3874CF
Tritanopia (blue-blind)
#008D9B
Achromatopsia (no color)
#7A7A7A

Design tokens & code

CSS
--color: #4379d1;
/* rgb */ color: rgb(67, 121, 209);
/* oklch */ color: oklch(58.3% 0.147 259.7);
Tailwind
colors: {
  custom: {
    50: '#869fdf',
    500: '#4379d1',
    950: '#000000',
  },
}
SCSS
$custom: #4379d1;
$custom-light: #869fdf;
$custom-dark: #000000;
JSON
{
  "hex": "#4379d1",
  "rgb": {
    "r": 67,
    "g": 121,
    "b": 209
  },
  "hsl": {
    "h": 217.183,
    "s": 60.684,
    "l": 54.118
  },
  "oklch": {
    "l": 0.58286,
    "c": 0.14718,
    "h": 259.7
  },
  "luminance": 0.19471
}

Semantic roles & 50–950 ramp

primary
#4379D1
secondary
#D6BF9A
accent
#A744E4
background
#F8F9FD
surface
#F0F2FB
border
#CBCCD4
text
#0C0E15
muted
#7D7E83

Preview Lab

Preview with #4379D1

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

Preview Lab → · Contrast checker → · Palette generator →

#4379D1 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva