#5580BD#5580BD

#5580BD is a mid, moderate blue. Relative luminance 0.210; OKLCH L 59.5% C 0.105 H 257.2°. Best body text is #000000 at 5.21:1 contrast (WCAG AA passes).

Color values

HEX	#5580BD
RGB	rgb(85, 128, 189)
HSL	hsl(215, 44%, 54%)
HSV	hsv(215, 55%, 74%)
CMYK	cmyk(55%, 32.3%, 0%, 25.9%)
CIE-LAB	lab(53.00, 3.18, -36.47)
CIE-LCH	lch(53.00, 36.61, 274.98°)
OKLab	oklab(59.54% -0.0233 -0.1028)
OKLCH	oklch(59.54% 0.105 257.2)
XYZ	xyz(20.6476, 21.0421, 51.1077)
Luminance	0.2104 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5580BD #BD9255

analogous

#55B4BD #5580BD #5E55BD

triadic

#5580BD #BD5580 #80BD55

tetradic

#5580BD #BD55B4 #BD9255 #55BD5E

square

#5580BD #BD55B4 #BD9255 #55BD5E

split-complementary

#5580BD #BD5E55 #B4BD55

monochromatic

#2A466D #3C6299 #5580BD #81A1CE #ADC2DF

Accessibility & contrast

On white

4.03

#5580BD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.21

#5580BD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5580BD

5.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5580BD	#FFFFFF	#000000	##000000
##5580BD	1.00	4.03	5.21	5.21
#FFFFFF	4.03	1.00	21.00	21.00
#000000	5.21	21.00	1.00	1.00
##000000	5.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6784C0

Deuteranopia (green-blind)

#5A7ABC

Tritanopia (blue-blind)

#138E96

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #5580bd;
/* rgb */ color: rgb(85, 128, 189);
/* oklch */ color: oklch(59.5% 0.105 257.2);

Tailwind

colors: {
  custom: {
    50: '#8ca4d1',
    500: '#5580bd',
    950: '#000000',
  },
}

SCSS

$custom: #5580bd;
$custom-light: #8ca4d1;
$custom-dark: #000000;

JSON

{
  "hex": "#5580bd",
  "rgb": {
    "r": 85,
    "g": 128,
    "b": 189
  },
  "hsl": {
    "h": 215.192,
    "s": 44.068,
    "l": 53.725
  },
  "oklch": {
    "l": 0.59542,
    "c": 0.10539,
    "h": 257.2
  },
  "luminance": 0.21044
}

Semantic roles & 50–950 ramp

primary

#5580BD

secondary

#CDBBA1

accent

#9F54D4

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0D0F14

muted

#7D7F82

Preview Lab

Preview with #5580BD

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

Preview Lab → · Contrast checker → · Palette generator →