#4381E2#4381E2

#4381E2 is a mid, vivid blue. Relative luminance 0.224; OKLCH L 61.1% C 0.161 H 259.1°. Best body text is #000000 at 5.48:1 contrast (WCAG AA passes).

Color values

HEX	#4381E2
RGB	rgb(67, 129, 226)
HSL	hsl(217, 73%, 57%)
HSV	hsv(217, 70%, 89%)
CMYK	cmyk(70.4%, 42.9%, 0%, 11.4%)
CIE-LAB	lab(54.43, 11.96, -55.20)
CIE-LCH	lch(54.43, 56.48, 282.22°)
OKLab	oklab(61.07% -0.0304 -0.1578)
OKLCH	oklch(61.07% 0.161 259.1)
XYZ	xyz(23.8875, 22.3823, 74.9981)
Luminance	0.2238 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4381E2 #E2A443

analogous

#43D0E2 #4381E2 #5543E2

triadic

#4381E2 #E24381 #81E243

tetradic

#4381E2 #E243D0 #E2A443 #43E255

square

#4381E2 #E243D0 #E2A443 #43E255

split-complementary

#4381E2 #E25543 #D0E243

monochromatic

#174894 #1F61C9 #4381E2 #78A5EA #ADC8F2

Accessibility & contrast

On white

3.83

#4381E2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.48

#4381E2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4381E2

5.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4381E2	#FFFFFF	#000000	##000000
##4381E2	1.00	3.83	5.48	5.48
#FFFFFF	3.83	1.00	21.00	21.00
#000000	5.48	21.00	1.00	1.00
##000000	5.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#528AE6

Deuteranopia (green-blind)

#357BE0

Tritanopia (blue-blind)

#0098A6

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #4381e2;
/* rgb */ color: rgb(67, 129, 226);
/* oklch */ color: oklch(61.1% 0.161 259.1);

Tailwind

colors: {
  custom: {
    50: '#89a5ec',
    500: '#4381e2',
    950: '#000000',
  },
}

SCSS

$custom: #4381e2;
$custom-light: #89a5ec;
$custom-dark: #000000;

JSON

{
  "hex": "#4381e2",
  "rgb": {
    "r": 67,
    "g": 129,
    "b": 226
  },
  "hsl": {
    "h": 216.604,
    "s": 73.272,
    "l": 57.451
  },
  "oklch": {
    "l": 0.61074,
    "c": 0.16073,
    "h": 259.1
  },
  "luminance": 0.22385
}

Semantic roles & 50–950 ramp

primary

#4381E2

secondary

#E1C7A0

accent

#A838F0

background

#F9FAFE

surface

#F1F4FD

border

#CBCED5

text

#0D0F16

muted

#7E7F84

Preview Lab

Preview with #4381E2

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

Preview Lab → · Contrast checker → · Palette generator →