#5191DD#5191DD

#5191DD is a light, vivid cyan. Relative luminance 0.272; OKLCH L 64.8% C 0.132 H 254.0°. Best body text is #000000 at 6.44:1 contrast (WCAG AA passes).

Color values

HEX	#5191DD
RGB	rgb(81, 145, 221)
HSL	hsl(213, 67%, 59%)
HSV	hsv(213, 63%, 87%)
CMYK	cmyk(63.3%, 34.4%, 0%, 13.3%)
CIE-LAB	lab(59.18, 2.88, -44.83)
CIE-LCH	lch(59.18, 44.92, 273.67°)
OKLab	oklab(64.83% -0.0365 -0.127)
OKLCH	oklch(64.83% 0.132 254)
XYZ	xyz(26.5652, 27.2180, 72.2462)
Luminance	0.2722 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5191DD #DD9D51

analogous

#51D7DD #5191DD #5751DD

triadic

#5191DD #DD5191 #91DD51

tetradic

#5191DD #DD51D7 #DD9D51 #51DD57

square

#5191DD #DD51D7 #DD9D51 #51DD57

split-complementary

#5191DD #DD5751 #D7DD51

monochromatic

#1D5596 #2771C9 #5191DD #84B1E7 #B7D2F1

Accessibility & contrast

On white

3.26

#5191DD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.44

#5191DD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5191DD

6.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5191DD	#FFFFFF	#000000	##000000
##5191DD	1.00	3.26	6.44	6.44
#FFFFFF	3.26	1.00	21.00	21.00
#000000	6.44	21.00	1.00	1.00
##000000	6.44	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7096E0

Deuteranopia (green-blind)

#5D88DB

Tritanopia (blue-blind)

#00A3AD

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #5191dd;
/* rgb */ color: rgb(81, 145, 221);
/* oklch */ color: oklch(64.8% 0.132 254.0);

Tailwind

colors: {
  custom: {
    50: '#8eb0e8',
    500: '#5191dd',
    950: '#000000',
  },
}

SCSS

$custom: #5191dd;
$custom-light: #8eb0e8;
$custom-dark: #000000;

JSON

{
  "hex": "#5191dd",
  "rgb": {
    "r": 81,
    "g": 145,
    "b": 221
  },
  "hsl": {
    "h": 212.571,
    "s": 67.308,
    "l": 59.216
  },
  "oklch": {
    "l": 0.64829,
    "c": 0.13217,
    "h": 254
  },
  "luminance": 0.27221
}

Semantic roles & 50–950 ramp

primary

#5191DD

secondary

#E0C7AA

accent

#9B3EEA

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0D1016

muted

#7E7F84

Preview Lab

Preview with #5191DD

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

Preview Lab → · Contrast checker → · Palette generator →