#4379DE#4379DE

#4379DE is a mid, vivid blue. Relative luminance 0.201; OKLCH L 59.1% C 0.165 H 261.6°. Best body text is #000000 at 5.03:1 contrast (WCAG AA passes).

Color values

HEX	#4379DE
RGB	rgb(67, 121, 222)
HSL	hsl(219, 70%, 57%)
HSV	hsv(219, 70%, 87%)
CMYK	cmyk(69.8%, 45.5%, 0%, 12.9%)
CIE-LAB	lab(51.99, 15.45, -56.85)
CIE-LCH	lch(51.99, 58.91, 285.21°)
OKLab	oklab(59.12% -0.024 -0.1628)
OKLCH	oklch(59.12% 0.165 261.6)
XYZ	xyz(22.3322, 20.1396, 71.8035)
Luminance	0.2014 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4379DE #DEA843

analogous

#43C7DE #4379DE #5B43DE

triadic

#4379DE #DE4379 #79DE43

tetradic

#4379DE #DE43C7 #DEA843 #43DE5B

square

#4379DE #DE43C7 #DEA843 #43DE5B

split-complementary

#4379DE #DE5B43 #C7DE43

monochromatic

#19428E #225AC2 #4379DE #779EE7 #ABC3F0

Accessibility & contrast

On white

4.18

#4379DE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.03

#4379DE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4379DE

5.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4379DE	#FFFFFF	#000000	##000000
##4379DE	1.00	4.18	5.03	5.03
#FFFFFF	4.18	1.00	21.00	21.00
#000000	5.03	21.00	1.00	1.00
##000000	5.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4584E2

Deuteranopia (green-blind)

#2575DC

Tritanopia (blue-blind)

#0091A1

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #4379de;
/* rgb */ color: rgb(67, 121, 222);
/* oklch */ color: oklch(59.1% 0.165 261.6);

Tailwind

colors: {
  custom: {
    50: '#899fe9',
    500: '#4379de',
    950: '#000000',
  },
}

SCSS

$custom: #4379de;
$custom-light: #899fe9;
$custom-dark: #000000;

JSON

{
  "hex": "#4379de",
  "rgb": {
    "r": 67,
    "g": 121,
    "b": 222
  },
  "hsl": {
    "h": 219.097,
    "s": 70.136,
    "l": 56.667
  },
  "oklch": {
    "l": 0.5912,
    "c": 0.16458,
    "h": 261.6
  },
  "luminance": 0.20142
}

Semantic roles & 50–950 ramp

primary

#4379DE

secondary

#DEC89F

accent

#AF3BED

background

#F9F9FE

surface

#F1F2FD

border

#CBCCD5

text

#0D0E16

muted

#7E7E84

Preview Lab

Preview with #4379DE

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

Preview Lab → · Contrast checker → · Palette generator →