#5591BF#5591BF

#5591BF is a light, moderate cyan. Relative luminance 0.259; OKLCH L 63.5% C 0.094 H 243.1°. Best body text is #000000 at 6.19:1 contrast (WCAG AA passes).

Color values

HEX	#5591BF
RGB	rgb(85, 145, 191)
HSL	hsl(206, 45%, 54%)
HSV	hsv(206, 55%, 75%)
CMYK	cmyk(55.5%, 24.1%, 0%, 25.1%)
CIE-LAB	lab(57.98, -6.08, -29.83)
CIE-LCH	lch(57.98, 30.45, 258.47°)
OKLab	oklab(63.49% -0.0423 -0.0835)
OKLCH	oklch(63.49% 0.094 243.1)
XYZ	xyz(23.2723, 25.9417, 53.0610)
Luminance	0.2594 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5591BF #BF8355

analogous

#55BFB8 #5591BF #555CBF

triadic

#5591BF #BF5591 #91BF55

tetradic

#5591BF #B855BF #BF8355 #5CBF55

square

#5591BF #B855BF #BF8355 #5CBF55

split-complementary

#5591BF #BF555C #BFB855

monochromatic

#2A5170 #3B729C #5591BF #81AED0 #AECBE0

Accessibility & contrast

On white

3.39

#5591BF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.19

#5591BF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5591BF

6.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5591BF	#FFFFFF	#000000	##000000
##5591BF	1.00	3.39	6.19	6.19
#FFFFFF	3.39	1.00	21.00	21.00
#000000	6.19	21.00	1.00	1.00
##000000	6.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7D91C1

Deuteranopia (green-blind)

#6F87BE

Tritanopia (blue-blind)

#009CA1

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #5591bf;
/* rgb */ color: rgb(85, 145, 191);
/* oklch */ color: oklch(63.5% 0.094 243.1);

Tailwind

colors: {
  custom: {
    50: '#8cb1d2',
    500: '#5591bf',
    950: '#000000',
  },
}

SCSS

$custom: #5591bf;
$custom-light: #8cb1d2;
$custom-dark: #000000;

JSON

{
  "hex": "#5591bf",
  "rgb": {
    "r": 85,
    "g": 145,
    "b": 191
  },
  "hsl": {
    "h": 206.038,
    "s": 45.299,
    "l": 54.118
  },
  "oklch": {
    "l": 0.63489,
    "c": 0.0936,
    "h": 243.1
  },
  "luminance": 0.25944
}

Semantic roles & 50–950 ramp

primary

#5591BF

secondary

#CEB5A1

accent

#8B53D5

background

#F9FAFC

surface

#F1F4F9

border

#CBCED2

text

#0D1014

muted

#7E7F82

Preview Lab

Preview with #5591BF

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

Preview Lab → · Contrast checker → · Palette generator →