#4379DB#4379DB

#4379DB is a mid, vivid blue. Relative luminance 0.200; OKLCH L 58.9% C 0.161 H 261.2°. Best body text is #000000 at 5.00:1 contrast (WCAG AA passes).

Color values

HEX#4379DB
RGBrgb(67, 121, 219)
HSLhsl(219, 68%, 56%)
HSVhsv(219, 69%, 86%)
CMYKcmyk(69.4%, 44.7%, 0%, 14.1%)
CIE-LABlab(51.81, 14.38, -55.45)
CIE-LCHlch(51.81, 57.28, 284.54°)
OKLaboklab(58.92% -0.0245 -0.1587)
OKLCHoklch(58.92% 0.161 261.2)
XYZxyz(21.9337, 19.9802, 69.7047)
Luminance0.1998 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4379DB #DBA543
analogous
#43C5DB #4379DB #5943DB
triadic
#4379DB #DB4379 #79DB43
tetradic
#4379DB #DB43C5 #DBA543 #43DB59
square
#4379DB #DB43C5 #DBA543 #43DB59
split-complementary
#4379DB #DB5943 #C5DB43
monochromatic
#1A4289 #245ABD #4379DB #769EE5 #AAC2EF

Accessibility & contrast

On white

4.20
#4379DB on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.00
#4379DB on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4379DB
5.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4379DB#FFFFFF#000000##000000
##4379DB1.004.205.005.00
#FFFFFF4.201.0021.0021.00
#0000005.0021.001.001.00
##0000005.0021.001.001.00

Color blindness preview

Protanopia (red-blind)
#4883DF
Deuteranopia (green-blind)
#2B75D9
Tritanopia (blue-blind)
#00909F
Achromatopsia (no color)
#7C7C7C

Design tokens & code

CSS
--color: #4379db;
/* rgb */ color: rgb(67, 121, 219);
/* oklch */ color: oklch(58.9% 0.161 261.2);
Tailwind
colors: {
  custom: {
    50: '#889fe7',
    500: '#4379db',
    950: '#000000',
  },
}
SCSS
$custom: #4379db;
$custom-light: #889fe7;
$custom-dark: #000000;
JSON
{
  "hex": "#4379db",
  "rgb": {
    "r": 67,
    "g": 121,
    "b": 219
  },
  "hsl": {
    "h": 218.684,
    "s": 67.857,
    "l": 56.078
  },
  "oklch": {
    "l": 0.58924,
    "c": 0.16057,
    "h": 261.2
  },
  "luminance": 0.19983
}

Semantic roles & 50–950 ramp

primary
#4379DB
secondary
#DCC69E
accent
#AD3DEB
background
#F9F9FE
surface
#F1F2FC
border
#CBCCD5
text
#0D0E16
muted
#7E7E84

Preview Lab

Preview with #4379DB

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

Preview Lab → · Contrast checker → · Palette generator →

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