#5591CF#5591CF

#5591CF is a light, moderate cyan. Relative luminance 0.267; OKLCH L 64.3% C 0.113 H 250.7°. Best body text is #000000 at 6.34:1 contrast (WCAG AA passes).

Color values

HEX	#5591CF
RGB	rgb(85, 145, 207)
HSL	hsl(210, 56%, 57%)
HSV	hsv(210, 59%, 81%)
CMYK	cmyk(58.9%, 30%, 0%, 18.8%)
CIE-LAB	lab(58.68, -0.99, -37.76)
CIE-LCH	lch(58.68, 37.77, 268.50°)
OKLab	oklab(64.27% -0.0373 -0.1064)
OKLCH	oklch(64.27% 0.113 250.7)
XYZ	xyz(25.1301, 26.6848, 62.8458)
Luminance	0.2669 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5591CF #CF9355

analogous

#55CECF #5591CF #5655CF

triadic

#5591CF #CF5591 #91CF55

tetradic

#5591CF #CF55CE #CF9355 #55CF56

square

#5591CF #CF55CE #CF9355 #55CF56

split-complementary

#5591CF #CF5655 #CECF55

monochromatic

#255484 #3372B4 #5591CF #85B0DC #B4CFEA

Accessibility & contrast

On white

3.31

#5591CF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.34

#5591CF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5591CF

6.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5591CF	#FFFFFF	#000000	##000000
##5591CF	1.00	3.31	6.34	6.34
#FFFFFF	3.31	1.00	21.00	21.00
#000000	6.34	21.00	1.00	1.00
##000000	6.34	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7794D2

Deuteranopia (green-blind)

#6788CE

Tritanopia (blue-blind)

#009FA7

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #5591cf;
/* rgb */ color: rgb(85, 145, 207);
/* oklch */ color: oklch(64.3% 0.113 250.7);

Tailwind

colors: {
  custom: {
    50: '#8eb1de',
    500: '#5591cf',
    950: '#000000',
  },
}

SCSS

$custom: #5591cf;
$custom-light: #8eb1de;
$custom-dark: #000000;

JSON

{
  "hex": "#5591cf",
  "rgb": {
    "r": 85,
    "g": 145,
    "b": 207
  },
  "hsl": {
    "h": 210.492,
    "s": 55.963,
    "l": 57.255
  },
  "oklch": {
    "l": 0.6427,
    "c": 0.11273,
    "h": 250.7
  },
  "luminance": 0.26687
}

Semantic roles & 50–950 ramp

primary

#5591CF

secondary

#D9C0A7

accent

#9549DF

background

#F9FAFD

surface

#F1F4FB

border

#CBCED4

text

#0D1015

muted

#7E7F83

Preview Lab

Preview with #5591CF

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

Preview Lab → · Contrast checker → · Palette generator →