#4381E6#4381E6

#4381E6 is a mid, vivid blue. Relative luminance 0.226; OKLCH L 61.3% C 0.166 H 259.7°. Best body text is #000000 at 5.52:1 contrast (WCAG AA passes).

Color values

HEX	#4381E6
RGB	rgb(67, 129, 230)
HSL	hsl(217, 77%, 58%)
HSV	hsv(217, 71%, 90%)
CMYK	cmyk(70.9%, 43.9%, 0%, 9.8%)
CIE-LAB	lab(54.66, 13.38, -57.06)
CIE-LCH	lch(54.66, 58.61, 283.20°)
OKLab	oklab(61.33% -0.0297 -0.1633)
OKLCH	oklch(61.33% 0.166 259.7)
XYZ	xyz(24.4428, 22.6044, 77.9225)
Luminance	0.2261 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4381E6 #E6A843

analogous

#43D2E6 #4381E6 #5643E6

triadic

#4381E6 #E64381 #81E643

tetradic

#4381E6 #E643D2 #E6A843 #43E656

square

#4381E6 #E643D2 #E6A843 #43E656

split-complementary

#4381E6 #E65643 #D2E643

monochromatic

#14479A #1C60D0 #4381E6 #79A5ED #AFC9F4

Accessibility & contrast

On white

3.80

#4381E6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.52

#4381E6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4381E6

5.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4381E6	#FFFFFF	#000000	##000000
##4381E6	1.00	3.80	5.52	5.52
#FFFFFF	3.80	1.00	21.00	21.00
#000000	5.52	21.00	1.00	1.00
##000000	5.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F8BEA

Deuteranopia (green-blind)

#307CE4

Tritanopia (blue-blind)

#0099A8

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #4381e6;
/* rgb */ color: rgb(67, 129, 230);
/* oklch */ color: oklch(61.3% 0.166 259.7);

Tailwind

colors: {
  custom: {
    50: '#8aa5ee',
    500: '#4381e6',
    950: '#000000',
  },
}

SCSS

$custom: #4381e6;
$custom-light: #8aa5ee;
$custom-dark: #000000;

JSON

{
  "hex": "#4381e6",
  "rgb": {
    "r": 67,
    "g": 129,
    "b": 230
  },
  "hsl": {
    "h": 217.178,
    "s": 76.526,
    "l": 58.235
  },
  "oklch": {
    "l": 0.61328,
    "c": 0.16599,
    "h": 259.7
  },
  "luminance": 0.22607
}

Semantic roles & 50–950 ramp

primary

#4381E6

secondary

#E3CAA2

accent

#AB35F3

background

#F9FAFE

surface

#F1F4FD

border

#CBCED5

text

#0D0F16

muted

#7E7F84

Preview Lab

Preview with #4381E6

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

Preview Lab → · Contrast checker → · Palette generator →