#5180E9#5180E9

#5180E9 is a mid, vivid blue. Relative luminance 0.231; OKLCH L 61.9% C 0.167 H 264.0°. Best body text is #000000 at 5.61:1 contrast (WCAG AA passes).

Color values

HEX	#5180E9
RGB	rgb(81, 128, 233)
HSL	hsl(221, 78%, 62%)
HSV	hsv(221, 65%, 91%)
CMYK	cmyk(65.2%, 45.1%, 0%, 8.6%)
CIE-LAB	lab(55.14, 17.15, -57.94)
CIE-LCH	lch(55.14, 60.42, 286.49°)
OKLab	oklab(61.91% -0.0173 -0.1657)
OKLCH	oklch(61.91% 0.167 264)
XYZ	xyz(25.8153, 23.0684, 80.1672)
Luminance	0.2307 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5180E9 #E9BA51

analogous

#51CCE9 #5180E9 #6E51E9

triadic

#5180E9 #E95180 #80E951

tetradic

#5180E9 #E951CC #E9BA51 #51E96E

square

#5180E9 #E951CC #E9BA51 #51E96E

split-complementary

#5180E9 #E96E51 #CCE951

monochromatic

#1643AA #1C59E0 #5180E9 #87A8F0 #BECFF7

Accessibility & contrast

On white

3.74

#5180E9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.61

#5180E9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5180E9

5.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5180E9	#FFFFFF	#000000	##000000
##5180E9	1.00	3.74	5.61	5.61
#FFFFFF	3.74	1.00	21.00	21.00
#000000	5.61	21.00	1.00	1.00
##000000	5.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C8BED

Deuteranopia (green-blind)

#317DE7

Tritanopia (blue-blind)

#0098A9

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #5180e9;
/* rgb */ color: rgb(81, 128, 233);
/* oklch */ color: oklch(61.9% 0.167 264.0);

Tailwind

colors: {
  custom: {
    50: '#90a4f1',
    500: '#5180e9',
    950: '#000000',
  },
}

SCSS

$custom: #5180e9;
$custom-light: #90a4f1;
$custom-dark: #000000;

JSON

{
  "hex": "#5180e9",
  "rgb": {
    "r": 81,
    "g": 128,
    "b": 233
  },
  "hsl": {
    "h": 221.447,
    "s": 77.551,
    "l": 61.569
  },
  "oklch": {
    "l": 0.61913,
    "c": 0.16656,
    "h": 264
  },
  "luminance": 0.23071
}

Semantic roles & 50–950 ramp

primary

#5180E9

secondary

#E7D6AF

accent

#9A0CDA

background

#F9FAFE

surface

#F2F3FD

border

#CCCDD5

text

#0E0F17

muted

#7E7F85

Preview Lab

Preview with #5180E9

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

Preview Lab → · Contrast checker → · Palette generator →