#5591AB#5591AB

#5591AB is a light, moderate cyan. Relative luminance 0.251; OKLCH L 62.6% C 0.074 H 227.8°. Best body text is #000000 at 6.02:1 contrast (WCAG AA passes).

Color values

HEX	#5591AB
RGB	rgb(85, 145, 171)
HSL	hsl(198, 34%, 50%)
HSV	hsv(198, 50%, 67%)
CMYK	cmyk(50.3%, 15.2%, 0%, 32.9%)
CIE-LAB	lab(57.19, -12.16, -19.68)
CIE-LCH	lch(57.19, 23.14, 238.28°)
OKLab	oklab(62.6% -0.0495 -0.0546)
OKLCH	oklch(62.6% 0.074 227.8)
XYZ	xyz(21.2197, 25.1207, 42.2507)
Luminance	0.2512 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5591AB #AB6F55

analogous

#55AB9A #5591AB #5566AB

triadic

#5591AB #AB5591 #91AB55

tetradic

#5591AB #9A55AB #AB6F55 #66AB55

square

#5591AB #9A55AB #AB6F55 #66AB55

split-complementary

#5591AB #AB5566 #AB9A55

monochromatic

#2C4C59 #406E82 #5591AB #7EACBF #A7C6D3

Accessibility & contrast

On white

3.49

#5591AB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.02

#5591AB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5591AB

6.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5591AB	#FFFFFF	#000000	##000000
##5591AB	1.00	3.49	6.02	6.02
#FFFFFF	3.49	1.00	21.00	21.00
#000000	6.02	21.00	1.00	1.00
##000000	6.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#838FAC

Deuteranopia (green-blind)

#7785AB

Tritanopia (blue-blind)

#269999

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #5591ab;
/* rgb */ color: rgb(85, 145, 171);
/* oklch */ color: oklch(62.6% 0.074 227.8);

Tailwind

colors: {
  custom: {
    50: '#8ab1c4',
    500: '#5591ab',
    950: '#000000',
  },
}

SCSS

$custom: #5591ab;
$custom-light: #8ab1c4;
$custom-dark: #000000;

JSON

{
  "hex": "#5591ab",
  "rgb": {
    "r": 85,
    "g": 145,
    "b": 171
  },
  "hsl": {
    "h": 198.14,
    "s": 33.858,
    "l": 50.196
  },
  "oklch": {
    "l": 0.62603,
    "c": 0.07366,
    "h": 227.8
  },
  "luminance": 0.25122
}

Semantic roles & 50–950 ramp

primary

#5591AB

secondary

#C1A69B

accent

#7F5ECA

background

#F8FAFC

surface

#F0F5F8

border

#CBCFD1

text

#0C1012

muted

#7D7F81

Preview Lab

Preview with #5591AB

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

Preview Lab → · Contrast checker → · Palette generator →