#5591C8#5591C8

#5591C8 is a light, moderate cyan. Relative luminance 0.264; OKLCH L 63.9% C 0.104 H 247.8°. Best body text is #000000 at 6.27:1 contrast (WCAG AA passes).

Color values

HEX	#5591C8
RGB	rgb(85, 145, 200)
HSL	hsl(209, 51%, 56%)
HSV	hsv(209, 58%, 78%)
CMYK	cmyk(57.5%, 27.5%, 0%, 21.6%)
CIE-LAB	lab(58.37, -3.24, -34.31)
CIE-LCH	lch(58.37, 34.47, 264.61°)
OKLab	oklab(63.92% -0.0394 -0.0964)
OKLCH	oklch(63.92% 0.104 247.8)
XYZ	xyz(24.2933, 26.3501, 58.4382)
Luminance	0.2635 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5591C8 #C88C55

analogous

#55C8C6 #5591C8 #5557C8

triadic

#5591C8 #C85591 #91C855

tetradic

#5591C8 #C655C8 #C88C55 #57C855

square

#5591C8 #C655C8 #C88C55 #57C855

split-complementary

#5591C8 #C85557 #C8C655

monochromatic

#28537B #3772A9 #5591C8 #83AFD7 #B1CDE6

Accessibility & contrast

On white

3.35

#5591C8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.27

#5591C8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5591C8

6.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5591C8	#FFFFFF	#000000	##000000
##5591C8	1.00	3.35	6.27	6.27
#FFFFFF	3.35	1.00	21.00	21.00
#000000	6.27	21.00	1.00	1.00
##000000	6.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7A93CA

Deuteranopia (green-blind)

#6A87C7

Tritanopia (blue-blind)

#009EA4

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #5591c8;
/* rgb */ color: rgb(85, 145, 200);
/* oklch */ color: oklch(63.9% 0.104 247.8);

Tailwind

colors: {
  custom: {
    50: '#8db1d9',
    500: '#5591c8',
    950: '#000000',
  },
}

SCSS

$custom: #5591c8;
$custom-light: #8db1d9;
$custom-dark: #000000;

JSON

{
  "hex": "#5591c8",
  "rgb": {
    "r": 85,
    "g": 145,
    "b": 200
  },
  "hsl": {
    "h": 208.696,
    "s": 51.111,
    "l": 55.882
  },
  "oklch": {
    "l": 0.63921,
    "c": 0.10415,
    "h": 247.8
  },
  "luminance": 0.26352
}

Semantic roles & 50–950 ramp

primary

#5591C8

secondary

#D4BBA5

accent

#914DDB

background

#F9FAFD

surface

#F1F4FA

border

#CBCED3

text

#0D1014

muted

#7E7F83

Preview Lab

Preview with #5591C8

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

Preview Lab → · Contrast checker → · Palette generator →