#5387DD#5387DD

#5387DD is a light, vivid blue. Relative luminance 0.244; OKLCH L 62.7% C 0.142 H 259.9°. Best body text is #000000 at 5.88:1 contrast (WCAG AA passes).

Color values

HEX	#5387DD
RGB	rgb(83, 135, 221)
HSL	hsl(217, 67%, 60%)
HSV	hsv(217, 62%, 87%)
CMYK	cmyk(62.4%, 38.9%, 0%, 13.3%)
CIE-LAB	lab(56.47, 9.17, -49.10)
CIE-LCH	lch(56.47, 49.95, 280.57°)
OKLab	oklab(62.75% -0.0248 -0.1396)
OKLCH	oklch(62.75% 0.142 259.9)
XYZ	xyz(25.2778, 24.3851, 71.7673)
Luminance	0.2439 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5387DD #DDA953

analogous

#53CCDD #5387DD #6453DD

triadic

#5387DD #DD5387 #87DD53

tetradic

#5387DD #DD53CC #DDA953 #53DD64

square

#5387DD #DD53CC #DDA953 #53DD64

split-complementary

#5387DD #DD6453 #CCDD53

monochromatic

#1E4C98 #2865CB #5387DD #86ABE7 #B9CEF1

Accessibility & contrast

On white

3.57

#5387DD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.88

#5387DD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5387DD

5.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5387DD	#FFFFFF	#000000	##000000
##5387DD	1.00	3.57	5.88	5.88
#FFFFFF	3.57	1.00	21.00	21.00
#000000	5.88	21.00	1.00	1.00
##000000	5.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#618EE0

Deuteranopia (green-blind)

#4E82DB

Tritanopia (blue-blind)

#009BA7

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #5387dd;
/* rgb */ color: rgb(83, 135, 221);
/* oklch */ color: oklch(62.7% 0.142 259.9);

Tailwind

colors: {
  custom: {
    50: '#8fa9e8',
    500: '#5387dd',
    950: '#000000',
  },
}

SCSS

$custom: #5387dd;
$custom-light: #8fa9e8;
$custom-dark: #000000;

JSON

{
  "hex": "#5387dd",
  "rgb": {
    "r": 83,
    "g": 135,
    "b": 221
  },
  "hsl": {
    "h": 217.391,
    "s": 66.99,
    "l": 59.608
  },
  "oklch": {
    "l": 0.62746,
    "c": 0.14179,
    "h": 259.9
  },
  "luminance": 0.24387
}

Semantic roles & 50–950 ramp

primary

#5387DD

secondary

#E1CCAB

accent

#A93EEA

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0E0F16

muted

#7E7F84

Preview Lab

Preview with #5387DD

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

Preview Lab → · Contrast checker → · Palette generator →