#5180E8#5180E8

#5180E8 is a mid, vivid blue. Relative luminance 0.230; OKLCH L 61.8% C 0.165 H 263.9°. Best body text is #000000 at 5.60:1 contrast (WCAG AA passes).

Color values

HEX	#5180E8
RGB	rgb(81, 128, 232)
HSL	hsl(221, 77%, 61%)
HSV	hsv(221, 65%, 91%)
CMYK	cmyk(65.1%, 44.8%, 0%, 9%)
CIE-LAB	lab(55.08, 16.81, -57.47)
CIE-LCH	lch(55.08, 59.88, 286.30°)
OKLab	oklab(61.85% -0.0175 -0.1643)
OKLCH	oklch(61.85% 0.165 263.9)
XYZ	xyz(25.6729, 23.0114, 79.4170)
Luminance	0.2301 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5180E8 #E8B951

analogous

#51CBE8 #5180E8 #6E51E8

triadic

#5180E8 #E85180 #80E851

tetradic

#5180E8 #E851CB #E8B951 #51E86E

square

#5180E8 #E851CB #E8B951 #51E86E

split-complementary

#5180E8 #E86E51 #CBE851

monochromatic

#1644A8 #1D59DE #5180E8 #87A7EF #BDCFF6

Accessibility & contrast

On white

3.75

#5180E8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.60

#5180E8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5180E8

5.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5180E8	#FFFFFF	#000000	##000000
##5180E8	1.00	3.75	5.60	5.60
#FFFFFF	3.75	1.00	21.00	21.00
#000000	5.60	21.00	1.00	1.00
##000000	5.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D8BEC

Deuteranopia (green-blind)

#327DE6

Tritanopia (blue-blind)

#0098A9

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #5180e8;
/* rgb */ color: rgb(81, 128, 232);
/* oklch */ color: oklch(61.8% 0.165 263.9);

Tailwind

colors: {
  custom: {
    50: '#90a4f0',
    500: '#5180e8',
    950: '#000000',
  },
}

SCSS

$custom: #5180e8;
$custom-light: #90a4f0;
$custom-dark: #000000;

JSON

{
  "hex": "#5180e8",
  "rgb": {
    "r": 81,
    "g": 128,
    "b": 232
  },
  "hsl": {
    "h": 221.325,
    "s": 76.65,
    "l": 61.373
  },
  "oklch": {
    "l": 0.61849,
    "c": 0.16523,
    "h": 263.9
  },
  "luminance": 0.23014
}

Semantic roles & 50–950 ramp

primary

#5180E8

secondary

#E7D5AE

accent

#990DD9

background

#F9FAFE

surface

#F2F3FD

border

#CCCDD5

text

#0E0F17

muted

#7E7F85

Preview Lab

Preview with #5180E8

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

Preview Lab → · Contrast checker → · Palette generator →