#5381DD#5381DD

#5381DD is a mid, vivid blue. Relative luminance 0.228; OKLCH L 61.5% C 0.149 H 262.8°. Best body text is #000000 at 5.55:1 contrast (WCAG AA passes).

Color values

HEX	#5381DD
RGB	rgb(83, 129, 221)
HSL	hsl(220, 67%, 60%)
HSV	hsv(220, 62%, 87%)
CMYK	cmyk(62.4%, 41.6%, 0%, 13.3%)
CIE-LAB	lab(54.82, 12.79, -51.73)
CIE-LCH	lch(54.82, 53.29, 283.88°)
OKLab	oklab(61.47% -0.0187 -0.1474)
OKLCH	oklch(61.47% 0.149 262.8)
XYZ	xyz(24.4641, 22.7577, 71.4960)
Luminance	0.2276 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5381DD #DDAF53

analogous

#53C6DD #5381DD #6A53DD

triadic

#5381DD #DD5381 #81DD53

tetradic

#5381DD #DD53C6 #DDAF53 #53DD6A

square

#5381DD #DD53C6 #DDAF53 #53DD6A

split-complementary

#5381DD #DD6A53 #C6DD53

monochromatic

#1E4798 #285ECB #5381DD #86A6E7 #B9CCF1

Accessibility & contrast

On white

3.78

#5381DD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.55

#5381DD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5381DD

5.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5381DD	#FFFFFF	#000000	##000000
##5381DD	1.00	3.78	5.55	5.55
#FFFFFF	3.78	1.00	21.00	21.00
#000000	5.55	21.00	1.00	1.00
##000000	5.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#578AE1

Deuteranopia (green-blind)

#437DDB

Tritanopia (blue-blind)

#0096A4

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #5381dd;
/* rgb */ color: rgb(83, 129, 221);
/* oklch */ color: oklch(61.5% 0.149 262.8);

Tailwind

colors: {
  custom: {
    50: '#8fa5e8',
    500: '#5381dd',
    950: '#000000',
  },
}

SCSS

$custom: #5381dd;
$custom-light: #8fa5e8;
$custom-dark: #000000;

JSON

{
  "hex": "#5381dd",
  "rgb": {
    "r": 83,
    "g": 129,
    "b": 221
  },
  "hsl": {
    "h": 220,
    "s": 66.99,
    "l": 59.608
  },
  "oklch": {
    "l": 0.6147,
    "c": 0.14856,
    "h": 262.8
  },
  "luminance": 0.2276
}

Semantic roles & 50–950 ramp

primary

#5381DD

secondary

#E1CFAB

accent

#B13EEA

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E0F16

muted

#7E7F84

Preview Lab

Preview with #5381DD

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

Preview Lab → · Contrast checker → · Palette generator →