#4381FC#4381FC

#4381FC is a light, vivid blue. Relative luminance 0.239; OKLCH L 62.8% C 0.195 H 262.2°. Best body text is #000000 at 5.78:1 contrast (WCAG AA passes).

Color values

HEX	#4381FC
RGB	rgb(67, 129, 252)
HSL	hsl(220, 97%, 63%)
HSV	hsv(220, 73%, 99%)
CMYK	cmyk(73.4%, 48.8%, 0%, 1.2%)
CIE-LAB	lab(56.01, 21.24, -67.12)
CIE-LCH	lch(56.01, 70.40, 287.56°)
OKLab	oklab(62.79% -0.0263 -0.1929)
OKLCH	oklch(62.79% 0.195 262.2)
XYZ	xyz(27.7294, 23.9190, 95.2320)
Luminance	0.2392 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4381FC #FCBE43

analogous

#43DDFC #4381FC #6243FC

triadic

#4381FC #FC4381 #81FC43

tetradic

#4381FC #FC43DD #FCBE43 #43FC62

square

#4381FC #FC43DD #FCBE43 #43FC62

split-complementary

#4381FC #FC6243 #DDFC43

monochromatic

#0343C2 #0759FB #4381FC #7FA9FD #BBD2FE

Accessibility & contrast

On white

3.63

#4381FC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.78

#4381FC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4381FC

5.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4381FC	#FFFFFF	#000000	##000000
##4381FC	1.00	3.63	5.78	5.78
#FFFFFF	3.63	1.00	21.00	21.00
#000000	5.78	21.00	1.00	1.00
##000000	5.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#388FFF

Deuteranopia (green-blind)

#007EFA

Tritanopia (blue-blind)

#009EB2

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #4381fc;
/* rgb */ color: rgb(67, 129, 252);
/* oklch */ color: oklch(62.8% 0.195 262.2);

Tailwind

colors: {
  custom: {
    50: '#8ea4fe',
    500: '#4381fc',
    950: '#000000',
  },
}

SCSS

$custom: #4381fc;
$custom-light: #8ea4fe;
$custom-dark: #000000;

JSON

{
  "hex": "#4381fc",
  "rgb": {
    "r": 67,
    "g": 129,
    "b": 252
  },
  "hsl": {
    "h": 219.892,
    "s": 96.859,
    "l": 62.549
  },
  "oklch": {
    "l": 0.62792,
    "c": 0.19468,
    "h": 262.2
  },
  "luminance": 0.23922
}

Semantic roles & 50–950 ramp

primary

#4381FC

secondary

#EFD8AC

accent

#9900E6

background

#F9FAFF

surface

#F2F4FF

border

#CCCED7

text

#0E0F18

muted

#7E7F86

Preview Lab

Preview with #4381FC

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

Preview Lab → · Contrast checker → · Palette generator →