#5591D3#5591D3

#5591D3 is a light, moderate cyan. Relative luminance 0.269; OKLCH L 64.5% C 0.118 H 252.1°. Best body text is #000000 at 6.38:1 contrast (WCAG AA passes).

Color values

HEX	#5591D3
RGB	rgb(85, 145, 211)
HSL	hsl(211, 59%, 58%)
HSV	hsv(211, 60%, 83%)
CMYK	cmyk(59.7%, 31.3%, 0%, 17.3%)
CIE-LAB	lab(58.87, 0.31, -39.71)
CIE-LCH	lch(58.87, 39.72, 270.45°)
OKLab	oklab(64.48% -0.0361 -0.1121)
OKLCH	oklch(64.48% 0.118 252.1)
XYZ	xyz(25.6253, 26.8829, 65.4539)
Luminance	0.2688 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5591D3 #D39755

analogous

#55D0D3 #5591D3 #5855D3

triadic

#5591D3 #D35591 #91D355

tetradic

#5591D3 #D355D0 #D39755 #55D358

square

#5591D3 #D355D0 #D39755 #55D358

split-complementary

#5591D3 #D35855 #D0D355

monochromatic

#24548A #3072BB #5591D3 #86B0E0 #B6D0EC

Accessibility & contrast

On white

3.29

#5591D3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.38

#5591D3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5591D3

6.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5591D3	#FFFFFF	#000000	##000000
##5591D3	1.00	3.29	6.38	6.38
#FFFFFF	3.29	1.00	21.00	21.00
#000000	6.38	21.00	1.00	1.00
##000000	6.38	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7594D6

Deuteranopia (green-blind)

#6488D2

Tritanopia (blue-blind)

#00A0A8

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #5591d3;
/* rgb */ color: rgb(85, 145, 211);
/* oklch */ color: oklch(64.5% 0.118 252.1);

Tailwind

colors: {
  custom: {
    50: '#8fb1e1',
    500: '#5591d3',
    950: '#000000',
  },
}

SCSS

$custom: #5591d3;
$custom-light: #8fb1e1;
$custom-dark: #000000;

JSON

{
  "hex": "#5591d3",
  "rgb": {
    "r": 85,
    "g": 145,
    "b": 211
  },
  "hsl": {
    "h": 211.429,
    "s": 58.879,
    "l": 58.039
  },
  "oklch": {
    "l": 0.64476,
    "c": 0.11775,
    "h": 252.1
  },
  "luminance": 0.26885
}

Semantic roles & 50–950 ramp

primary

#5591D3

secondary

#DBC3A9

accent

#9846E2

background

#F9FAFD

surface

#F2F4FB

border

#CCCED4

text

#0D1015

muted

#7E7F83

Preview Lab

Preview with #5591D3

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

Preview Lab → · Contrast checker → · Palette generator →