#5591DC#5591DC

#5591DC is a light, vivid cyan. Relative luminance 0.273; OKLCH L 65.0% C 0.129 H 254.9°. Best body text is #000000 at 6.47:1 contrast (WCAG AA passes).

Color values

HEX	#5591DC
RGB	rgb(85, 145, 220)
HSL	hsl(213, 66%, 60%)
HSV	hsv(213, 61%, 86%)
CMYK	cmyk(61.4%, 34.1%, 0%, 13.7%)
CIE-LAB	lab(59.29, 3.27, -44.07)
CIE-LCH	lch(59.29, 44.19, 274.24°)
OKLab	oklab(64.95% -0.0337 -0.1248)
OKLCH	oklch(64.95% 0.129 254.9)
XYZ	xyz(26.7853, 27.3469, 71.5632)
Luminance	0.2735 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5591DC #DCA055

analogous

#55D5DC #5591DC #5C55DC

triadic

#5591DC #DC5591 #91DC55

tetradic

#5591DC #DC55D5 #DCA055 #55DC5C

square

#5591DC #DC55D5 #DCA055 #55DC5C

split-complementary

#5591DC #DC5C55 #D5DC55

monochromatic

#1F5597 #2A71CA #5591DC #88B2E6 #BBD3F1

Accessibility & contrast

On white

3.25

#5591DC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.47

#5591DC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5591DC

6.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5591DC	#FFFFFF	#000000	##000000
##5591DC	1.00	3.25	6.47	6.47
#FFFFFF	3.25	1.00	21.00	21.00
#000000	6.47	21.00	1.00	1.00
##000000	6.47	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7196DF

Deuteranopia (green-blind)

#5F89DA

Tritanopia (blue-blind)

#00A2AC

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #5591dc;
/* rgb */ color: rgb(85, 145, 220);
/* oklch */ color: oklch(65.0% 0.129 254.9);

Tailwind

colors: {
  custom: {
    50: '#90b0e7',
    500: '#5591dc',
    950: '#000000',
  },
}

SCSS

$custom: #5591dc;
$custom-light: #90b0e7;
$custom-dark: #000000;

JSON

{
  "hex": "#5591dc",
  "rgb": {
    "r": 85,
    "g": 145,
    "b": 220
  },
  "hsl": {
    "h": 213.333,
    "s": 65.854,
    "l": 59.804
  },
  "oklch": {
    "l": 0.64951,
    "c": 0.12923,
    "h": 254.9
  },
  "luminance": 0.27349
}

Semantic roles & 50–950 ramp

primary

#5591DC

secondary

#E0C9AC

accent

#9D3FE9

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #5591DC

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

Preview Lab → · Contrast checker → · Palette generator →