#5591C9#5591C9

#5591C9 is a light, moderate cyan. Relative luminance 0.264; OKLCH L 64.0% C 0.105 H 248.2°. Best body text is #000000 at 6.28:1 contrast (WCAG AA passes).

Color values

HEX	#5591C9
RGB	rgb(85, 145, 201)
HSL	hsl(209, 52%, 56%)
HSV	hsv(209, 58%, 79%)
CMYK	cmyk(57.7%, 27.9%, 0%, 21.2%)
CIE-LAB	lab(58.41, -2.92, -34.81)
CIE-LCH	lch(58.41, 34.93, 265.20°)
OKLab	oklab(63.97% -0.0391 -0.0978)
OKLCH	oklch(63.97% 0.105 248.2)
XYZ	xyz(24.4105, 26.3970, 59.0558)
Luminance	0.2640 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5591C9 #C98D55

analogous

#55C9C7 #5591C9 #5557C9

triadic

#5591C9 #C95591 #91C955

tetradic

#5591C9 #C755C9 #C98D55 #57C955

square

#5591C9 #C755C9 #C98D55 #57C955

split-complementary

#5591C9 #C95557 #C9C755

monochromatic

#27537C #3672AB #5591C9 #83AFD8 #B2CDE7

Accessibility & contrast

On white

3.34

#5591C9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.28

#5591C9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5591C9

6.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5591C9	#FFFFFF	#000000	##000000
##5591C9	1.00	3.34	6.28	6.28
#FFFFFF	3.34	1.00	21.00	21.00
#000000	6.28	21.00	1.00	1.00
##000000	6.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7993CB

Deuteranopia (green-blind)

#6A87C8

Tritanopia (blue-blind)

#009EA4

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #5591c9;
/* rgb */ color: rgb(85, 145, 201);
/* oklch */ color: oklch(64.0% 0.105 248.2);

Tailwind

colors: {
  custom: {
    50: '#8eb1d9',
    500: '#5591c9',
    950: '#000000',
  },
}

SCSS

$custom: #5591c9;
$custom-light: #8eb1d9;
$custom-dark: #000000;

JSON

{
  "hex": "#5591c9",
  "rgb": {
    "r": 85,
    "g": 145,
    "b": 201
  },
  "hsl": {
    "h": 208.966,
    "s": 51.786,
    "l": 56.078
  },
  "oklch": {
    "l": 0.6397,
    "c": 0.10536,
    "h": 248.2
  },
  "luminance": 0.26399
}

Semantic roles & 50–950 ramp

primary

#5591C9

secondary

#D5BCA5

accent

#914DDB

background

#F9FAFD

surface

#F1F4FA

border

#CBCED3

text

#0D1014

muted

#7E7F83

Preview Lab

Preview with #5591C9

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

Preview Lab → · Contrast checker → · Palette generator →