#5581BC#5581BC

#5581BC is a mid, moderate cyan. Relative luminance 0.213; OKLCH L 59.7% C 0.103 H 256.1°. Best body text is #000000 at 5.25:1 contrast (WCAG AA passes).

Color values

HEX	#5581BC
RGB	rgb(85, 129, 188)
HSL	hsl(214, 43%, 54%)
HSV	hsv(214, 55%, 74%)
CMYK	cmyk(54.8%, 31.4%, 0%, 26.3%)
CIE-LAB	lab(53.23, 2.26, -35.53)
CIE-LCH	lch(53.23, 35.60, 273.64°)
OKLab	oklab(59.71% -0.0248 -0.1)
OKLCH	oklch(59.71% 0.103 256.1)
XYZ	xyz(20.6705, 21.2610, 50.5817)
Luminance	0.2126 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5581BC #BC9055

analogous

#55B4BC #5581BC #5C55BC

triadic

#5581BC #BC5581 #81BC55

tetradic

#5581BC #BC55B4 #BC9055 #55BC5C

square

#5581BC #BC55B4 #BC9055 #55BC5C

split-complementary

#5581BC #BC5C55 #B4BC55

monochromatic

#2B476C #3C6398 #5581BC #81A2CD #ADC2DF

Accessibility & contrast

On white

4.00

#5581BC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.25

#5581BC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5581BC

5.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5581BC	#FFFFFF	#000000	##000000
##5581BC	1.00	4.00	5.25	5.25
#FFFFFF	4.00	1.00	21.00	21.00
#000000	5.25	21.00	1.00	1.00
##000000	5.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6985BF

Deuteranopia (green-blind)

#5C7BBB

Tritanopia (blue-blind)

#158E96

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #5581bc;
/* rgb */ color: rgb(85, 129, 188);
/* oklch */ color: oklch(59.7% 0.103 256.1);

Tailwind

colors: {
  custom: {
    50: '#8ca5d0',
    500: '#5581bc',
    950: '#000000',
  },
}

SCSS

$custom: #5581bc;
$custom-light: #8ca5d0;
$custom-dark: #000000;

JSON

{
  "hex": "#5581bc",
  "rgb": {
    "r": 85,
    "g": 129,
    "b": 188
  },
  "hsl": {
    "h": 214.369,
    "s": 43.46,
    "l": 53.529
  },
  "oklch": {
    "l": 0.59713,
    "c": 0.10305,
    "h": 256.1
  },
  "luminance": 0.21263
}

Semantic roles & 50–950 ramp

primary

#5581BC

secondary

#CCBAA0

accent

#9D55D3

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0D0F14

muted

#7D7F82

Preview Lab

Preview with #5581BC

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

Preview Lab → · Contrast checker → · Palette generator →