#5186DD#5186DD

#5186DD is a light, vivid blue. Relative luminance 0.240; OKLCH L 62.4% C 0.144 H 259.8°. Best body text is #000000 at 5.80:1 contrast (WCAG AA passes).

Color values

HEX	#5186DD
RGB	rgb(81, 134, 221)
HSL	hsl(217, 67%, 59%)
HSV	hsv(217, 63%, 87%)
CMYK	cmyk(63.3%, 39.4%, 0%, 13.3%)
CIE-LAB	lab(56.11, 9.41, -49.69)
CIE-LCH	lch(56.11, 50.57, 280.72°)
OKLab	oklab(62.44% -0.0254 -0.1414)
OKLCH	oklch(62.44% 0.144 259.8)
XYZ	xyz(24.9650, 24.0176, 71.7128)
Luminance	0.2402 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5186DD #DDA851

analogous

#51CCDD #5186DD #6251DD

triadic

#5186DD #DD5186 #86DD51

tetradic

#5186DD #DD51CC #DDA851 #51DD62

square

#5186DD #DD51CC #DDA851 #51DD62

split-complementary

#5186DD #DD6251 #CCDD51

monochromatic

#1D4B96 #2765C9 #5186DD #84AAE7 #B7CDF1

Accessibility & contrast

On white

3.62

#5186DD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.80

#5186DD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5186DD

5.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5186DD	#FFFFFF	#000000	##000000
##5186DD	1.00	3.62	5.80	5.80
#FFFFFF	3.62	1.00	21.00	21.00
#000000	5.80	21.00	1.00	1.00
##000000	5.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F8EE0

Deuteranopia (green-blind)

#4B80DB

Tritanopia (blue-blind)

#009AA7

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #5186dd;
/* rgb */ color: rgb(81, 134, 221);
/* oklch */ color: oklch(62.4% 0.144 259.8);

Tailwind

colors: {
  custom: {
    50: '#8ea8e8',
    500: '#5186dd',
    950: '#000000',
  },
}

SCSS

$custom: #5186dd;
$custom-light: #8ea8e8;
$custom-dark: #000000;

JSON

{
  "hex": "#5186dd",
  "rgb": {
    "r": 81,
    "g": 134,
    "b": 221
  },
  "hsl": {
    "h": 217.286,
    "s": 67.308,
    "l": 59.216
  },
  "oklch": {
    "l": 0.62438,
    "c": 0.14363,
    "h": 259.8
  },
  "luminance": 0.2402
}

Semantic roles & 50–950 ramp

primary

#5186DD

secondary

#E0CCAA

accent

#A93EEA

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0D0F16

muted

#7E7F84

Preview Lab

Preview with #5186DD

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

Preview Lab → · Contrast checker → · Palette generator →