#5182D2#5182D2

#5182D2 is a mid, vivid blue. Relative luminance 0.224; OKLCH L 60.9% C 0.133 H 259.7°. Best body text is #000000 at 5.47:1 contrast (WCAG AA passes).

Color values

HEX	#5182D2
RGB	rgb(81, 130, 210)
HSL	hsl(217, 59%, 57%)
HSV	hsv(217, 61%, 82%)
CMYK	cmyk(61.4%, 38.1%, 0%, 17.6%)
CIE-LAB	lab(54.41, 8.10, -46.19)
CIE-LCH	lch(54.41, 46.89, 279.94°)
OKLab	oklab(60.94% -0.0237 -0.1312)
OKLCH	oklch(60.94% 0.133 259.7)
XYZ	xyz(23.0047, 22.3657, 64.0650)
Luminance	0.2237 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5182D2 #D2A151

analogous

#51C3D2 #5182D2 #6151D2

triadic

#5182D2 #D25182 #82D251

tetradic

#5182D2 #D251C3 #D2A151 #51D261

square

#5182D2 #D251C3 #D2A151 #51D261

split-complementary

#5182D2 #D26151 #C3D251

monochromatic

#234886 #2F63B7 #5182D2 #82A5DF #B2C8EB

Accessibility & contrast

On white

3.84

#5182D2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.47

#5182D2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5182D2

5.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5182D2	#FFFFFF	#000000	##000000
##5182D2	1.00	3.84	5.47	5.47
#FFFFFF	3.84	1.00	21.00	21.00
#000000	5.47	21.00	1.00	1.00
##000000	5.47	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F89D5

Deuteranopia (green-blind)

#4E7DD0

Tritanopia (blue-blind)

#0094A0

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #5182d2;
/* rgb */ color: rgb(81, 130, 210);
/* oklch */ color: oklch(60.9% 0.133 259.7);

Tailwind

colors: {
  custom: {
    50: '#8da5e0',
    500: '#5182d2',
    950: '#000000',
  },
}

SCSS

$custom: #5182d2;
$custom-light: #8da5e0;
$custom-dark: #000000;

JSON

{
  "hex": "#5182d2",
  "rgb": {
    "r": 81,
    "g": 130,
    "b": 210
  },
  "hsl": {
    "h": 217.209,
    "s": 58.904,
    "l": 57.059
  },
  "oklch": {
    "l": 0.60936,
    "c": 0.1333,
    "h": 259.7
  },
  "luminance": 0.22368
}

Semantic roles & 50–950 ramp

primary

#5182D2

secondary

#DAC6A5

accent

#A746E2

background

#F9FAFD

surface

#F1F4FB

border

#CBCED4

text

#0D0F15

muted

#7E7F83

Preview Lab

Preview with #5182D2

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

Preview Lab → · Contrast checker → · Palette generator →