#5580CE#5580CE

#5580CE is a mid, vivid blue. Relative luminance 0.218; OKLCH L 60.5% C 0.129 H 261.5°. Best body text is #000000 at 5.37:1 contrast (WCAG AA passes).

Color values

HEX	#5580CE
RGB	rgb(85, 128, 206)
HSL	hsl(219, 55%, 57%)
HSV	hsv(219, 59%, 81%)
CMYK	cmyk(58.7%, 37.9%, 0%, 19.2%)
CIE-LAB	lab(53.84, 8.74, -44.82)
CIE-LCH	lch(53.84, 45.67, 281.03°)
OKLab	oklab(60.48% -0.019 -0.1271)
OKLCH	oklch(60.48% 0.129 261.5)
XYZ	xyz(22.6022, 21.8240, 61.4019)
Luminance	0.2183 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5580CE #CEA355

analogous

#55BCCE #5580CE #6755CE

triadic

#5580CE #CE5580 #80CE55

tetradic

#5580CE #CE55BC #CEA355 #55CE67

square

#5580CE #CE55BC #CEA355 #55CE67

split-complementary

#5580CE #CE6755 #BCCE55

monochromatic

#264783 #3361B2 #5580CE #85A3DC #B4C7E9

Accessibility & contrast

On white

3.91

#5580CE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.37

#5580CE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5580CE

5.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5580CE	#FFFFFF	#000000	##000000
##5580CE	1.00	3.91	5.37	5.37
#FFFFFF	3.91	1.00	21.00	21.00
#000000	5.37	21.00	1.00	1.00
##000000	5.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F87D1

Deuteranopia (green-blind)

#4F7CCC

Tritanopia (blue-blind)

#00919D

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #5580ce;
/* rgb */ color: rgb(85, 128, 206);
/* oklch */ color: oklch(60.5% 0.129 261.5);

Tailwind

colors: {
  custom: {
    50: '#8ea4dd',
    500: '#5580ce',
    950: '#000000',
  },
}

SCSS

$custom: #5580ce;
$custom-light: #8ea4dd;
$custom-dark: #000000;

JSON

{
  "hex": "#5580ce",
  "rgb": {
    "r": 85,
    "g": 128,
    "b": 206
  },
  "hsl": {
    "h": 218.678,
    "s": 55.251,
    "l": 57.059
  },
  "oklch": {
    "l": 0.60475,
    "c": 0.12854,
    "h": 261.5
  },
  "luminance": 0.21826
}

Semantic roles & 50–950 ramp

primary

#5580CE

secondary

#D8C7A7

accent

#AA49DF

background

#F9FAFD

surface

#F1F4FB

border

#CBCED4

text

#0D0F15

muted

#7E7F83

Preview Lab

Preview with #5580CE

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

Preview Lab → · Contrast checker → · Palette generator →