#5581D5#5581D5

#5581D5 is a mid, vivid blue. Relative luminance 0.224; OKLCH L 61.1% C 0.137 H 262.2°. Best body text is #000000 at 5.49:1 contrast (WCAG AA passes).

Color values

HEX	#5581D5
RGB	rgb(85, 129, 213)
HSL	hsl(219, 60%, 58%)
HSV	hsv(219, 60%, 84%)
CMYK	cmyk(60.1%, 39.4%, 0%, 16.5%)
CIE-LAB	lab(54.48, 10.46, -47.76)
CIE-LCH	lch(54.48, 48.89, 282.36°)
OKLab	oklab(61.09% -0.0186 -0.1357)
OKLCH	oklch(61.09% 0.137 262.2)
XYZ	xyz(23.6026, 22.4339, 66.0242)
Luminance	0.2244 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5581D5 #D5A955

analogous

#55C1D5 #5581D5 #6955D5

triadic

#5581D5 #D55581 #81D555

tetradic

#5581D5 #D555C1 #D5A955 #55D569

square

#5581D5 #D555C1 #D5A955 #55D569

split-complementary

#5581D5 #D56955 #C1D555

monochromatic

#23478D #2F60BE #5581D5 #86A5E1 #B7CAED

Accessibility & contrast

On white

3.83

#5581D5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.49

#5581D5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5581D5

5.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5581D5	#FFFFFF	#000000	##000000
##5581D5	1.00	3.83	5.49	5.49
#FFFFFF	3.83	1.00	21.00	21.00
#000000	5.49	21.00	1.00	1.00
##000000	5.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D89D8

Deuteranopia (green-blind)

#4B7DD3

Tritanopia (blue-blind)

#0094A1

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #5581d5;
/* rgb */ color: rgb(85, 129, 213);
/* oklch */ color: oklch(61.1% 0.137 262.2);

Tailwind

colors: {
  custom: {
    50: '#8fa5e2',
    500: '#5581d5',
    950: '#000000',
  },
}

SCSS

$custom: #5581d5;
$custom-light: #8fa5e2;
$custom-dark: #000000;

JSON

{
  "hex": "#5581d5",
  "rgb": {
    "r": 85,
    "g": 129,
    "b": 213
  },
  "hsl": {
    "h": 219.375,
    "s": 60.377,
    "l": 58.431
  },
  "oklch": {
    "l": 0.61094,
    "c": 0.13696,
    "h": 262.2
  },
  "luminance": 0.22436
}

Semantic roles & 50–950 ramp

primary

#5581D5

secondary

#DCCBA9

accent

#AD44E4

background

#F9FAFD

surface

#F2F4FB

border

#CCCED4

text

#0D0F15

muted

#7E7F83

Preview Lab

Preview with #5581D5

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

Preview Lab → · Contrast checker → · Palette generator →