#5180E6#5180E6

#5180E6 is a mid, vivid blue. Relative luminance 0.229; OKLCH L 61.7% C 0.163 H 263.7°. Best body text is #000000 at 5.58:1 contrast (WCAG AA passes).

Color values

HEX	#5180E6
RGB	rgb(81, 128, 230)
HSL	hsl(221, 75%, 61%)
HSV	hsv(221, 65%, 90%)
CMYK	cmyk(64.8%, 44.3%, 0%, 9.8%)
CIE-LAB	lab(54.97, 16.12, -56.54)
CIE-LCH	lch(54.97, 58.80, 285.92°)
OKLab	oklab(61.72% -0.0178 -0.1616)
OKLCH	oklch(61.72% 0.163 263.7)
XYZ	xyz(25.3904, 22.8984, 77.9293)
Luminance	0.2290 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5180E6 #E6B751

analogous

#51CAE6 #5180E6 #6C51E6

triadic

#5180E6 #E65180 #80E651

tetradic

#5180E6 #E651CA #E6B751 #51E66C

square

#5180E6 #E651CA #E6B751 #51E66C

split-complementary

#5180E6 #E66C51 #CAE651

monochromatic

#1844A5 #1F5ADA #5180E6 #87A7EE #BCCEF5

Accessibility & contrast

On white

3.76

#5180E6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.58

#5180E6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5180E6

5.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5180E6	#FFFFFF	#000000	##000000
##5180E6	1.00	3.76	5.58	5.58
#FFFFFF	3.76	1.00	21.00	21.00
#000000	5.58	21.00	1.00	1.00
##000000	5.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F8BEA

Deuteranopia (green-blind)

#357DE4

Tritanopia (blue-blind)

#0097A8

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #5180e6;
/* rgb */ color: rgb(81, 128, 230);
/* oklch */ color: oklch(61.7% 0.163 263.7);

Tailwind

colors: {
  custom: {
    50: '#90a4ee',
    500: '#5180e6',
    950: '#000000',
  },
}

SCSS

$custom: #5180e6;
$custom-light: #90a4ee;
$custom-dark: #000000;

JSON

{
  "hex": "#5180e6",
  "rgb": {
    "r": 81,
    "g": 128,
    "b": 230
  },
  "hsl": {
    "h": 221.074,
    "s": 74.874,
    "l": 60.98
  },
  "oklch": {
    "l": 0.61722,
    "c": 0.16254,
    "h": 263.7
  },
  "luminance": 0.22901
}

Semantic roles & 50–950 ramp

primary

#5180E6

secondary

#E5D4AD

accent

#980ED7

background

#F9FAFE

surface

#F2F3FD

border

#CCCDD5

text

#0E0F16

muted

#7E7F84

Preview Lab

Preview with #5180E6

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

Preview Lab → · Contrast checker → · Palette generator →