#5182E8#5182E8

#5182E8 is a light, vivid blue. Relative luminance 0.235; OKLCH L 62.3% C 0.163 H 263.2°. Best body text is #000000 at 5.71:1 contrast (WCAG AA passes).

Color values

HEX	#5182E8
RGB	rgb(81, 130, 232)
HSL	hsl(221, 77%, 61%)
HSV	hsv(221, 65%, 91%)
CMYK	cmyk(65.1%, 44%, 0%, 9%)
CIE-LAB	lab(55.62, 15.59, -56.61)
CIE-LCH	lch(55.62, 58.72, 285.40°)
OKLab	oklab(62.26% -0.0194 -0.1617)
OKLCH	oklch(62.26% 0.163 263.2)
XYZ	xyz(25.9363, 23.5383, 79.5048)
Luminance	0.2354 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5182E8 #E8B751

analogous

#51CEE8 #5182E8 #6C51E8

triadic

#5182E8 #E85182 #82E851

tetradic

#5182E8 #E851CE #E8B751 #51E86C

square

#5182E8 #E851CE #E8B751 #51E86C

split-complementary

#5182E8 #E86C51 #CEE851

monochromatic

#1646A8 #1D5CDE #5182E8 #87A9EF #BDD0F6

Accessibility & contrast

On white

3.68

#5182E8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.71

#5182E8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5182E8

5.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5182E8	#FFFFFF	#000000	##000000
##5182E8	1.00	3.68	5.71	5.71
#FFFFFF	3.68	1.00	21.00	21.00
#000000	5.71	21.00	1.00	1.00
##000000	5.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#518DEC

Deuteranopia (green-blind)

#377FE6

Tritanopia (blue-blind)

#0099AA

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #5182e8;
/* rgb */ color: rgb(81, 130, 232);
/* oklch */ color: oklch(62.3% 0.163 263.2);

Tailwind

colors: {
  custom: {
    50: '#90a5f0',
    500: '#5182e8',
    950: '#000000',
  },
}

SCSS

$custom: #5182e8;
$custom-light: #90a5f0;
$custom-dark: #000000;

JSON

{
  "hex": "#5182e8",
  "rgb": {
    "r": 81,
    "g": 130,
    "b": 232
  },
  "hsl": {
    "h": 220.53,
    "s": 76.65,
    "l": 61.373
  },
  "oklch": {
    "l": 0.62263,
    "c": 0.1629,
    "h": 263.2
  },
  "luminance": 0.23541
}

Semantic roles & 50–950 ramp

primary

#5182E8

secondary

#E7D4AE

accent

#970DD9

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E0F16

muted

#7E7F84

Preview Lab

Preview with #5182E8

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

Preview Lab → · Contrast checker → · Palette generator →