#5180DA#5180DA

#5180DA is a mid, vivid blue. Relative luminance 0.223; OKLCH L 61.0% C 0.146 H 262.2°. Best body text is #000000 at 5.45:1 contrast (WCAG AA passes).

Color values

HEX	#5180DA
RGB	rgb(81, 128, 218)
HSL	hsl(219, 65%, 59%)
HSV	hsv(219, 63%, 85%)
CMYK	cmyk(62.8%, 41.3%, 0%, 14.5%)
CIE-LAB	lab(54.29, 12.02, -50.90)
CIE-LCH	lch(54.29, 52.30, 283.29°)
OKLab	oklab(60.98% -0.02 -0.145)
OKLCH	oklch(60.98% 0.146 262.2)
XYZ	xyz(23.7630, 22.2474, 69.3580)
Luminance	0.2225 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5180DA #DAAB51

analogous

#51C4DA #5180DA #6651DA

triadic

#5180DA #DA5180 #80DA51

tetradic

#5180DA #DA51C4 #DAAB51 #51DA66

square

#5180DA #DA51C4 #DAAB51 #51DA66

split-complementary

#5180DA #DA6651 #C4DA51

monochromatic

#1F4692 #2A5FC4 #5180DA #83A5E5 #B6CAEF

Accessibility & contrast

On white

3.85

#5180DA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.45

#5180DA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5180DA

5.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5180DA	#FFFFFF	#000000	##000000
##5180DA	1.00	3.85	5.45	5.45
#FFFFFF	3.85	1.00	21.00	21.00
#000000	5.45	21.00	1.00	1.00
##000000	5.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5789DE

Deuteranopia (green-blind)

#437CD8

Tritanopia (blue-blind)

#0094A2

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #5180da;
/* rgb */ color: rgb(81, 128, 218);
/* oklch */ color: oklch(61.0% 0.146 262.2);

Tailwind

colors: {
  custom: {
    50: '#8ea4e6',
    500: '#5180da',
    950: '#000000',
  },
}

SCSS

$custom: #5180da;
$custom-light: #8ea4e6;
$custom-dark: #000000;

JSON

{
  "hex": "#5180da",
  "rgb": {
    "r": 81,
    "g": 128,
    "b": 218
  },
  "hsl": {
    "h": 219.416,
    "s": 64.929,
    "l": 58.627
  },
  "oklch": {
    "l": 0.60979,
    "c": 0.14636,
    "h": 262.2
  },
  "luminance": 0.2225
}

Semantic roles & 50–950 ramp

primary

#5180DA

secondary

#DECCA8

accent

#AE40E8

background

#F9FAFE

surface

#F2F3FC

border

#CCCDD5

text

#0D0F16

muted

#7E7F84

Preview Lab

Preview with #5180DA

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

Preview Lab → · Contrast checker → · Palette generator →