#5591CC#5591CC

#5591CC is a light, moderate cyan. Relative luminance 0.265; OKLCH L 64.1% C 0.109 H 249.5°. Best body text is #000000 at 6.31:1 contrast (WCAG AA passes).

Color values

HEX	#5591CC
RGB	rgb(85, 145, 204)
HSL	hsl(210, 54%, 57%)
HSV	hsv(210, 58%, 80%)
CMYK	cmyk(58.3%, 28.9%, 0%, 20%)
CIE-LAB	lab(58.55, -1.96, -36.29)
CIE-LCH	lch(58.55, 36.34, 266.91°)
OKLab	oklab(64.12% -0.0382 -0.1021)
OKLCH	oklch(64.12% 0.109 249.5)
XYZ	xyz(24.7669, 26.5395, 60.9325)
Luminance	0.2654 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5591CC #CC9055

analogous

#55CCCC #5591CC #5556CC

triadic

#5591CC #CC5591 #91CC55

tetradic

#5591CC #CC55CC #CC9055 #56CC55

square

#5591CC #CC55CC #CC9055 #56CC55

split-complementary

#5591CC #CC5556 #CCCC55

monochromatic

#265480 #3572AF #5591CC #84AFDA #B3CEE8

Accessibility & contrast

On white

3.33

#5591CC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.31

#5591CC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5591CC

6.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5591CC	#FFFFFF	#000000	##000000
##5591CC	1.00	3.33	6.31	6.31
#FFFFFF	3.33	1.00	21.00	21.00
#000000	6.31	21.00	1.00	1.00
##000000	6.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7893CF

Deuteranopia (green-blind)

#6888CB

Tritanopia (blue-blind)

#009FA6

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #5591cc;
/* rgb */ color: rgb(85, 145, 204);
/* oklch */ color: oklch(64.1% 0.109 249.5);

Tailwind

colors: {
  custom: {
    50: '#8eb1dc',
    500: '#5591cc',
    950: '#000000',
  },
}

SCSS

$custom: #5591cc;
$custom-light: #8eb1dc;
$custom-dark: #000000;

JSON

{
  "hex": "#5591cc",
  "rgb": {
    "r": 85,
    "g": 145,
    "b": 204
  },
  "hsl": {
    "h": 209.748,
    "s": 53.846,
    "l": 56.667
  },
  "oklch": {
    "l": 0.64119,
    "c": 0.10902,
    "h": 249.5
  },
  "luminance": 0.26542
}

Semantic roles & 50–950 ramp

primary

#5591CC

secondary

#D7BEA6

accent

#934BDD

background

#F9FAFD

surface

#F1F4FB

border

#CBCED4

text

#0D1015

muted

#7E7F83

Preview Lab

Preview with #5591CC

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

Preview Lab → · Contrast checker → · Palette generator →