#4381DC#4381DC

#4381DC is a mid, vivid blue. Relative luminance 0.221; OKLCH L 60.7% C 0.153 H 258.1°. Best body text is #000000 at 5.41:1 contrast (WCAG AA passes).

Color values

HEX	#4381DC
RGB	rgb(67, 129, 220)
HSL	hsl(216, 69%, 56%)
HSV	hsv(216, 70%, 86%)
CMYK	cmyk(69.5%, 41.4%, 0%, 13.7%)
CIE-LAB	lab(54.09, 9.82, -52.37)
CIE-LCH	lch(54.09, 53.29, 280.62°)
OKLab	oklab(60.7% -0.0316 -0.1495)
OKLCH	oklch(60.7% 0.153 258.1)
XYZ	xyz(23.0786, 22.0587, 70.7377)
Luminance	0.2206 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4381DC #DC9E43

analogous

#43CEDC #4381DC #5243DC

triadic

#4381DC #DC4381 #81DC43

tetradic

#4381DC #DC43CE #DC9E43 #43DC52

square

#4381DC #DC43CE #DC9E43 #43DC52

split-complementary

#4381DC #DC5243 #CEDC43

monochromatic

#1A488B #2362BE #4381DC #77A4E6 #AAC6EF

Accessibility & contrast

On white

3.88

#4381DC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.41

#4381DC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4381DC

5.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4381DC	#FFFFFF	#000000	##000000
##4381DC	1.00	3.88	5.41	5.41
#FFFFFF	3.88	1.00	21.00	21.00
#000000	5.41	21.00	1.00	1.00
##000000	5.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5689E0

Deuteranopia (green-blind)

#3D7BDA

Tritanopia (blue-blind)

#0096A4

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #4381dc;
/* rgb */ color: rgb(67, 129, 220);
/* oklch */ color: oklch(60.7% 0.153 258.1);

Tailwind

colors: {
  custom: {
    50: '#88a5e7',
    500: '#4381dc',
    950: '#000000',
  },
}

SCSS

$custom: #4381dc;
$custom-light: #88a5e7;
$custom-dark: #000000;

JSON

{
  "hex": "#4381dc",
  "rgb": {
    "r": 67,
    "g": 129,
    "b": 220
  },
  "hsl": {
    "h": 215.686,
    "s": 68.61,
    "l": 56.275
  },
  "oklch": {
    "l": 0.607,
    "c": 0.15283,
    "h": 258.1
  },
  "luminance": 0.22061
}

Semantic roles & 50–950 ramp

primary

#4381DC

secondary

#DDC39E

accent

#A43CEB

background

#F9FAFE

surface

#F1F4FC

border

#CBCED5

text

#0D0F16

muted

#7E7F84

Preview Lab

Preview with #4381DC

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

Preview Lab → · Contrast checker → · Palette generator →