#5191DC#5191DC

#5191DC is a light, vivid cyan. Relative luminance 0.272; OKLCH L 64.8% C 0.131 H 253.7°. Best body text is #000000 at 6.43:1 contrast (WCAG AA passes).

Color values

HEX	#5191DC
RGB	rgb(81, 145, 220)
HSL	hsl(212, 67%, 59%)
HSV	hsv(212, 63%, 86%)
CMYK	cmyk(63.2%, 34.1%, 0%, 13.7%)
CIE-LAB	lab(59.13, 2.54, -44.35)
CIE-LCH	lch(59.13, 44.42, 273.28°)
OKLab	oklab(64.77% -0.0368 -0.1256)
OKLCH	oklch(64.77% 0.131 253.7)
XYZ	xyz(26.4323, 27.1649, 71.5466)
Luminance	0.2717 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5191DC #DC9C51

analogous

#51D7DC #5191DC #5751DC

triadic

#5191DC #DC5191 #91DC51

tetradic

#5191DC #DC51D7 #DC9C51 #51DC57

square

#5191DC #DC51D7 #DC9C51 #51DC57

split-complementary

#5191DC #DC5751 #D7DC51

monochromatic

#1E5595 #2872C8 #5191DC #84B1E6 #B7D1F0

Accessibility & contrast

On white

3.26

#5191DC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.43

#5191DC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5191DC

6.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5191DC	#FFFFFF	#000000	##000000
##5191DC	1.00	3.26	6.43	6.43
#FFFFFF	3.26	1.00	21.00	21.00
#000000	6.43	21.00	1.00	1.00
##000000	6.43	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7196DF

Deuteranopia (green-blind)

#5E88DA

Tritanopia (blue-blind)

#00A2AC

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #5191dc;
/* rgb */ color: rgb(81, 145, 220);
/* oklch */ color: oklch(64.8% 0.131 253.7);

Tailwind

colors: {
  custom: {
    50: '#8eb0e7',
    500: '#5191dc',
    950: '#000000',
  },
}

SCSS

$custom: #5191dc;
$custom-light: #8eb0e7;
$custom-dark: #000000;

JSON

{
  "hex": "#5191dc",
  "rgb": {
    "r": 81,
    "g": 145,
    "b": 220
  },
  "hsl": {
    "h": 212.374,
    "s": 66.507,
    "l": 59.02
  },
  "oklch": {
    "l": 0.64774,
    "c": 0.1309,
    "h": 253.7
  },
  "luminance": 0.27167
}

Semantic roles & 50–950 ramp

primary

#5191DC

secondary

#E0C7A9

accent

#9B3EE9

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0D1016

muted

#7E7F84

Preview Lab

Preview with #5191DC

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

Preview Lab → · Contrast checker → · Palette generator →