#5591BC#5591BC

#5591BC is a light, moderate cyan. Relative luminance 0.258; OKLCH L 63.3% C 0.090 H 241.3°. Best body text is #000000 at 6.16:1 contrast (WCAG AA passes).

Color values

HEX	#5591BC
RGB	rgb(85, 145, 188)
HSL	hsl(205, 43%, 54%)
HSV	hsv(205, 55%, 74%)
CMYK	cmyk(54.8%, 22.9%, 0%, 26.3%)
CIE-LAB	lab(57.86, -7.02, -28.33)
CIE-LCH	lch(57.86, 29.18, 256.08°)
OKLab	oklab(63.35% -0.0433 -0.0792)
OKLCH	oklch(63.35% 0.09 241.3)
XYZ	xyz(22.9455, 25.8110, 51.3400)
Luminance	0.2581 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5591BC #BC8055

analogous

#55BCB4 #5591BC #555DBC

triadic

#5591BC #BC5591 #91BC55

tetradic

#5591BC #B455BC #BC8055 #5DBC55

square

#5591BC #B455BC #BC8055 #5DBC55

split-complementary

#5591BC #BC555D #BCB455

monochromatic

#2B516C #3C7198 #5591BC #81ADCD #ADCADF

Accessibility & contrast

On white

3.41

#5591BC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.16

#5591BC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5591BC

6.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5591BC	#FFFFFF	#000000	##000000
##5591BC	1.00	3.41	6.16	6.16
#FFFFFF	3.41	1.00	21.00	21.00
#000000	6.16	21.00	1.00	1.00
##000000	6.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7E91BE

Deuteranopia (green-blind)

#7086BB

Tritanopia (blue-blind)

#089C9F

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #5591bc;
/* rgb */ color: rgb(85, 145, 188);
/* oklch */ color: oklch(63.3% 0.090 241.3);

Tailwind

colors: {
  custom: {
    50: '#8cb1d0',
    500: '#5591bc',
    950: '#000000',
  },
}

SCSS

$custom: #5591bc;
$custom-light: #8cb1d0;
$custom-dark: #000000;

JSON

{
  "hex": "#5591bc",
  "rgb": {
    "r": 85,
    "g": 145,
    "b": 188
  },
  "hsl": {
    "h": 205.049,
    "s": 43.46,
    "l": 53.529
  },
  "oklch": {
    "l": 0.63349,
    "c": 0.09024,
    "h": 241.3
  },
  "luminance": 0.25813
}

Semantic roles & 50–950 ramp

primary

#5591BC

secondary

#CCB3A0

accent

#8955D3

background

#F8FAFC

surface

#F0F5F9

border

#CBCFD2

text

#0D1014

muted

#7D7F82

Preview Lab

Preview with #5591BC

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

Preview Lab → · Contrast checker → · Palette generator →