#5185DD#5185DD

#5185DD is a light, vivid blue. Relative luminance 0.237; OKLCH L 62.2% C 0.145 H 260.3°. Best body text is #000000 at 5.75:1 contrast (WCAG AA passes).

Color values

HEX	#5185DD
RGB	rgb(81, 133, 221)
HSL	hsl(218, 67%, 59%)
HSV	hsv(218, 63%, 87%)
CMYK	cmyk(63.3%, 39.8%, 0%, 13.3%)
CIE-LAB	lab(55.83, 10.01, -50.13)
CIE-LCH	lch(55.83, 51.12, 281.29°)
OKLab	oklab(62.22% -0.0244 -0.1427)
OKLCH	oklch(62.22% 0.145 260.3)
XYZ	xyz(24.8274, 23.7425, 71.6670)
Luminance	0.2374 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5185DD #DDA951

analogous

#51CBDD #5185DD #6351DD

triadic

#5185DD #DD5185 #85DD51

tetradic

#5185DD #DD51CB #DDA951 #51DD63

square

#5185DD #DD51CB #DDA951 #51DD63

split-complementary

#5185DD #DD6351 #CBDD51

monochromatic

#1D4A96 #2764C9 #5185DD #84A9E7 #B7CDF1

Accessibility & contrast

On white

3.65

#5185DD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.75

#5185DD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5185DD

5.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5185DD	#FFFFFF	#000000	##000000
##5185DD	1.00	3.65	5.75	5.75
#FFFFFF	3.65	1.00	21.00	21.00
#000000	5.75	21.00	1.00	1.00
##000000	5.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E8DE0

Deuteranopia (green-blind)

#4980DB

Tritanopia (blue-blind)

#0099A6

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #5185dd;
/* rgb */ color: rgb(81, 133, 221);
/* oklch */ color: oklch(62.2% 0.145 260.3);

Tailwind

colors: {
  custom: {
    50: '#8ea8e8',
    500: '#5185dd',
    950: '#000000',
  },
}

SCSS

$custom: #5185dd;
$custom-light: #8ea8e8;
$custom-dark: #000000;

JSON

{
  "hex": "#5185dd",
  "rgb": {
    "r": 81,
    "g": 133,
    "b": 221
  },
  "hsl": {
    "h": 217.714,
    "s": 67.308,
    "l": 59.216
  },
  "oklch": {
    "l": 0.62224,
    "c": 0.14474,
    "h": 260.3
  },
  "luminance": 0.23745
}

Semantic roles & 50–950 ramp

primary

#5185DD

secondary

#E0CCAA

accent

#AA3EEA

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0D0F16

muted

#7E7F84

Preview Lab

Preview with #5185DD

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

Preview Lab → · Contrast checker → · Palette generator →