#5188DE#5188DE

#5188DE is a light, vivid blue. Relative luminance 0.246; OKLCH L 62.9% C 0.143 H 259.0°. Best body text is #000000 at 5.93:1 contrast (WCAG AA passes).

Color values

HEX	#5188DE
RGB	rgb(81, 136, 222)
HSL	hsl(217, 68%, 59%)
HSV	hsv(217, 64%, 87%)
CMYK	cmyk(63.5%, 38.7%, 0%, 12.9%)
CIE-LAB	lab(56.71, 8.55, -49.29)
CIE-LCH	lch(56.71, 50.02, 279.84°)
OKLab	oklab(62.93% -0.0272 -0.1402)
OKLCH	oklch(62.93% 0.143 259)
XYZ	xyz(25.3776, 24.6292, 72.5096)
Luminance	0.2463 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5188DE #DEA751

analogous

#51CEDE #5188DE #6151DE

triadic

#5188DE #DE5188 #88DE51

tetradic

#5188DE #DE51CE #DEA751 #51DE61

square

#5188DE #DE51CE #DEA751 #51DE61

split-complementary

#5188DE #DE6151 #CEDE51

monochromatic

#1D4D98 #2767CB #5188DE #84ABE8 #B8CEF2

Accessibility & contrast

On white

3.54

#5188DE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.93

#5188DE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5188DE

5.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5188DE	#FFFFFF	#000000	##000000
##5188DE	1.00	3.54	5.93	5.93
#FFFFFF	3.54	1.00	21.00	21.00
#000000	5.93	21.00	1.00	1.00
##000000	5.93	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#628FE1

Deuteranopia (green-blind)

#4E82DC

Tritanopia (blue-blind)

#009CA8

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #5188de;
/* rgb */ color: rgb(81, 136, 222);
/* oklch */ color: oklch(62.9% 0.143 259.0);

Tailwind

colors: {
  custom: {
    50: '#8faae9',
    500: '#5188de',
    950: '#000000',
  },
}

SCSS

$custom: #5188de;
$custom-light: #8faae9;
$custom-dark: #000000;

JSON

{
  "hex": "#5188de",
  "rgb": {
    "r": 81,
    "g": 136,
    "b": 222
  },
  "hsl": {
    "h": 216.596,
    "s": 68.116,
    "l": 59.412
  },
  "oklch": {
    "l": 0.62926,
    "c": 0.14277,
    "h": 259
  },
  "luminance": 0.24632
}

Semantic roles & 50–950 ramp

primary

#5188DE

secondary

#E1CBAA

accent

#A73DEB

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0D0F16

muted

#7E7F84

Preview Lab

Preview with #5188DE

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

Preview Lab → · Contrast checker → · Palette generator →