#5186DB#5186DB

#5186DB is a light, vivid blue. Relative luminance 0.239; OKLCH L 62.3% C 0.141 H 259.4°. Best body text is #000000 at 5.78:1 contrast (WCAG AA passes).

Color values

HEX	#5186DB
RGB	rgb(81, 134, 219)
HSL	hsl(217, 66%, 59%)
HSV	hsv(217, 63%, 86%)
CMYK	cmyk(63%, 38.8%, 0%, 14.1%)
CIE-LAB	lab(56.00, 8.73, -48.74)
CIE-LCH	lch(56.00, 49.51, 280.16°)
OKLab	oklab(62.32% -0.0258 -0.1386)
OKLCH	oklch(62.32% 0.141 259.4)
XYZ	xyz(24.7001, 23.9117, 70.3178)
Luminance	0.2391 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5186DB #DBA651

analogous

#51CBDB #5186DB #6151DB

triadic

#5186DB #DB5186 #86DB51

tetradic

#5186DB #DB51CB #DBA651 #51DB61

square

#5186DB #DB51CB #DBA651 #51DB61

split-complementary

#5186DB #DB6151 #CBDB51

monochromatic

#1E4B93 #2965C6 #5186DB #84A9E5 #B6CDF0

Accessibility & contrast

On white

3.63

#5186DB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.78

#5186DB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5186DB

5.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5186DB	#FFFFFF	#000000	##000000
##5186DB	1.00	3.63	5.78	5.78
#FFFFFF	3.63	1.00	21.00	21.00
#000000	5.78	21.00	1.00	1.00
##000000	5.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#618DDE

Deuteranopia (green-blind)

#4D80D9

Tritanopia (blue-blind)

#0099A6

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #5186db;
/* rgb */ color: rgb(81, 134, 219);
/* oklch */ color: oklch(62.3% 0.141 259.4);

Tailwind

colors: {
  custom: {
    50: '#8ea8e6',
    500: '#5186db',
    950: '#000000',
  },
}

SCSS

$custom: #5186db;
$custom-light: #8ea8e6;
$custom-dark: #000000;

JSON

{
  "hex": "#5186db",
  "rgb": {
    "r": 81,
    "g": 134,
    "b": 219
  },
  "hsl": {
    "h": 216.957,
    "s": 65.714,
    "l": 58.824
  },
  "oklch": {
    "l": 0.62321,
    "c": 0.14097,
    "h": 259.4
  },
  "luminance": 0.23914
}

Semantic roles & 50–950 ramp

primary

#5186DB

secondary

#DFCAA9

accent

#A83FE9

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0D0F16

muted

#7E7F84

Preview Lab

Preview with #5186DB

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

Preview Lab → · Contrast checker → · Palette generator →