#5381CC#5381CC

#5381CC is a mid, vivid blue. Relative luminance 0.219; OKLCH L 60.5% C 0.126 H 259.7°. Best body text is #000000 at 5.38:1 contrast (WCAG AA passes).

Color values

HEX	#5381CC
RGB	rgb(83, 129, 204)
HSL	hsl(217, 54%, 56%)
HSV	hsv(217, 59%, 80%)
CMYK	cmyk(59.3%, 36.8%, 0%, 20%)
CIE-LAB	lab(53.92, 7.07, -43.57)
CIE-LCH	lch(53.92, 44.14, 279.22°)
OKLab	oklab(60.48% -0.0223 -0.1235)
OKLCH	oklch(60.48% 0.126 259.7)
XYZ	xyz(22.3128, 21.8972, 60.1658)
Luminance	0.2190 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5381CC #CC9E53

analogous

#53BECC #5381CC #6253CC

triadic

#5381CC #CC5381 #81CC53

tetradic

#5381CC #CC53BE #CC9E53 #53CC62

square

#5381CC #CC53BE #CC9E53 #53CC62

split-complementary

#5381CC #CC6253 #BECC53

monochromatic

#26487F #3462AE #5381CC #82A4DA #B1C6E8

Accessibility & contrast

On white

3.90

#5381CC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.38

#5381CC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5381CC

5.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5381CC	#FFFFFF	#000000	##000000
##5381CC	1.00	3.90	5.38	5.38
#FFFFFF	3.90	1.00	21.00	21.00
#000000	5.38	21.00	1.00	1.00
##000000	5.38	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6187CF

Deuteranopia (green-blind)

#517CCA

Tritanopia (blue-blind)

#00929D

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #5381cc;
/* rgb */ color: rgb(83, 129, 204);
/* oklch */ color: oklch(60.5% 0.126 259.7);

Tailwind

colors: {
  custom: {
    50: '#8da5dc',
    500: '#5381cc',
    950: '#000000',
  },
}

SCSS

$custom: #5381cc;
$custom-light: #8da5dc;
$custom-dark: #000000;

JSON

{
  "hex": "#5381cc",
  "rgb": {
    "r": 83,
    "g": 129,
    "b": 204
  },
  "hsl": {
    "h": 217.19,
    "s": 54.26,
    "l": 56.275
  },
  "oklch": {
    "l": 0.60476,
    "c": 0.1255,
    "h": 259.7
  },
  "luminance": 0.21899
}

Semantic roles & 50–950 ramp

primary

#5381CC

secondary

#D6C3A4

accent

#A64ADE

background

#F9FAFD

surface

#F1F4FB

border

#CBCED4

text

#0D0F15

muted

#7E7F83

Preview Lab

Preview with #5381CC

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

Preview Lab → · Contrast checker → · Palette generator →