#5180DD#5180DD

#5180DD is a mid, vivid blue. Relative luminance 0.224; OKLCH L 61.2% C 0.150 H 262.6°. Best body text is #000000 at 5.48:1 contrast (WCAG AA passes).

Color values

HEX	#5180DD
RGB	rgb(81, 128, 221)
HSL	hsl(220, 67%, 59%)
HSV	hsv(220, 63%, 87%)
CMYK	cmyk(63.3%, 42.1%, 0%, 13.3%)
CIE-LAB	lab(54.45, 13.04, -52.32)
CIE-LCH	lch(54.45, 53.92, 284.00°)
OKLab	oklab(61.16% -0.0194 -0.1492)
OKLCH	oklch(61.16% 0.15 262.6)
XYZ	xyz(24.1591, 22.4059, 71.4442)
Luminance	0.2241 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5180DD #DDAE51

analogous

#51C6DD #5180DD #6851DD

triadic

#5180DD #DD5180 #80DD51

tetradic

#5180DD #DD51C6 #DDAE51 #51DD68

square

#5180DD #DD51C6 #DDAE51 #51DD68

split-complementary

#5180DD #DD6851 #C6DD51

monochromatic

#1D4696 #275EC9 #5180DD #84A5E7 #B7CBF1

Accessibility & contrast

On white

3.83

#5180DD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.48

#5180DD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5180DD

5.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5180DD	#FFFFFF	#000000	##000000
##5180DD	1.00	3.83	5.48	5.48
#FFFFFF	3.83	1.00	21.00	21.00
#000000	5.48	21.00	1.00	1.00
##000000	5.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5589E1

Deuteranopia (green-blind)

#407CDB

Tritanopia (blue-blind)

#0095A4

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #5180dd;
/* rgb */ color: rgb(81, 128, 221);
/* oklch */ color: oklch(61.2% 0.150 262.6);

Tailwind

colors: {
  custom: {
    50: '#8ea4e8',
    500: '#5180dd',
    950: '#000000',
  },
}

SCSS

$custom: #5180dd;
$custom-light: #8ea4e8;
$custom-dark: #000000;

JSON

{
  "hex": "#5180dd",
  "rgb": {
    "r": 81,
    "g": 128,
    "b": 221
  },
  "hsl": {
    "h": 219.857,
    "s": 67.308,
    "l": 59.216
  },
  "oklch": {
    "l": 0.61162,
    "c": 0.15042,
    "h": 262.6
  },
  "luminance": 0.22408
}

Semantic roles & 50–950 ramp

primary

#5180DD

secondary

#E0CEAA

accent

#B03EEA

background

#F9FAFE

surface

#F2F3FD

border

#CCCDD5

text

#0D0F16

muted

#7E7F84

Preview Lab

Preview with #5180DD

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

Preview Lab → · Contrast checker → · Palette generator →