#5182EC#5182EC

#5182EC is a light, vivid blue. Relative luminance 0.238; OKLCH L 62.5% C 0.168 H 263.6°. Best body text is #000000 at 5.75:1 contrast (WCAG AA passes).

Color values

HEX	#5182EC
RGB	rgb(81, 130, 236)
HSL	hsl(221, 80%, 62%)
HSV	hsv(221, 66%, 93%)
CMYK	cmyk(65.7%, 44.9%, 0%, 7.5%)
CIE-LAB	lab(55.85, 16.97, -58.47)
CIE-LCH	lch(55.85, 60.88, 286.18°)
OKLab	oklab(62.52% -0.0187 -0.1672)
OKLCH	oklch(62.52% 0.168 263.6)
XYZ	xyz(26.5110, 23.7682, 82.5312)
Luminance	0.2377 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5182EC #ECBB51

analogous

#51D0EC #5182EC #6D51EC

triadic

#5182EC #EC5182 #82EC51

tetradic

#5182EC #EC51D0 #ECBB51 #51EC6D

square

#5182EC #EC51D0 #ECBB51 #51EC6D

split-complementary

#5182EC #EC6D51 #D0EC51

monochromatic

#1345AF #1A5AE6 #5182EC #88AAF2 #BFD1F8

Accessibility & contrast

On white

3.65

#5182EC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.75

#5182EC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5182EC

5.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5182EC	#FFFFFF	#000000	##000000
##5182EC	1.00	3.65	5.75	5.75
#FFFFFF	3.65	1.00	21.00	21.00
#000000	5.75	21.00	1.00	1.00
##000000	5.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E8DF0

Deuteranopia (green-blind)

#317FEA

Tritanopia (blue-blind)

#009AAB

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #5182ec;
/* rgb */ color: rgb(81, 130, 236);
/* oklch */ color: oklch(62.5% 0.168 263.6);

Tailwind

colors: {
  custom: {
    50: '#91a5f3',
    500: '#5182ec',
    950: '#000000',
  },
}

SCSS

$custom: #5182ec;
$custom-light: #91a5f3;
$custom-dark: #000000;

JSON

{
  "hex": "#5182ec",
  "rgb": {
    "r": 81,
    "g": 130,
    "b": 236
  },
  "hsl": {
    "h": 221.032,
    "s": 80.311,
    "l": 62.157
  },
  "oklch": {
    "l": 0.62517,
    "c": 0.16823,
    "h": 263.6
  },
  "luminance": 0.23771
}

Semantic roles & 50–950 ramp

primary

#5182EC

secondary

#E9D7B0

accent

#9A09DD

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E0F17

muted

#7E7F85

Preview Lab

Preview with #5182EC

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

Preview Lab → · Contrast checker → · Palette generator →