#5580CD#5580CD

#5580CD is a mid, vivid blue. Relative luminance 0.218; OKLCH L 60.4% C 0.127 H 261.3°. Best body text is #000000 at 5.36:1 contrast (WCAG AA passes).

Color values

HEX	#5580CD
RGB	rgb(85, 128, 205)
HSL	hsl(219, 55%, 57%)
HSV	hsv(219, 59%, 80%)
CMYK	cmyk(58.5%, 37.6%, 0%, 19.6%)
CIE-LAB	lab(53.79, 8.41, -44.34)
CIE-LCH	lch(53.79, 45.13, 280.74°)
OKLab	oklab(60.42% -0.0193 -0.1257)
OKLCH	oklch(60.42% 0.127 261.3)
XYZ	xyz(22.4811, 21.7755, 60.7642)
Luminance	0.2178 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5580CD #CDA255

analogous

#55BCCD #5580CD #6655CD

triadic

#5580CD #CD5580 #80CD55

tetradic

#5580CD #CD55BC #CDA255 #55CD66

square

#5580CD #CD55BC #CDA255 #55CD66

split-complementary

#5580CD #CD6655 #BCCD55

monochromatic

#264782 #3461B1 #5580CD #84A3DB #B4C7E9

Accessibility & contrast

On white

3.92

#5580CD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.36

#5580CD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5580CD

5.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5580CD	#FFFFFF	#000000	##000000
##5580CD	1.00	3.92	5.36	5.36
#FFFFFF	3.92	1.00	21.00	21.00
#000000	5.36	21.00	1.00	1.00
##000000	5.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6087D0

Deuteranopia (green-blind)

#507BCB

Tritanopia (blue-blind)

#00919D

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #5580cd;
/* rgb */ color: rgb(85, 128, 205);
/* oklch */ color: oklch(60.4% 0.127 261.3);

Tailwind

colors: {
  custom: {
    50: '#8ea4dc',
    500: '#5580cd',
    950: '#000000',
  },
}

SCSS

$custom: #5580cd;
$custom-light: #8ea4dc;
$custom-dark: #000000;

JSON

{
  "hex": "#5580cd",
  "rgb": {
    "r": 85,
    "g": 128,
    "b": 205
  },
  "hsl": {
    "h": 218.5,
    "s": 54.545,
    "l": 56.863
  },
  "oklch": {
    "l": 0.60418,
    "c": 0.12717,
    "h": 261.3
  },
  "luminance": 0.21777
}

Semantic roles & 50–950 ramp

primary

#5580CD

secondary

#D7C6A6

accent

#A94ADE

background

#F9FAFD

surface

#F1F4FB

border

#CBCED4

text

#0D0F15

muted

#7E7F83

Preview Lab

Preview with #5580CD

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

Preview Lab → · Contrast checker → · Palette generator →