#5579DD#5579DD

#5579DD is a mid, vivid blue. Relative luminance 0.208; OKLCH L 59.9% C 0.157 H 266.8°. Best body text is #000000 at 5.17:1 contrast (WCAG AA passes).

Color values

HEX	#5579DD
RGB	rgb(85, 121, 221)
HSL	hsl(224, 67%, 60%)
HSV	hsv(224, 62%, 87%)
CMYK	cmyk(61.5%, 45.2%, 0%, 13.3%)
CIE-LAB	lab(52.76, 18.03, -55.02)
CIE-LCH	lch(52.76, 57.90, 288.15°)
OKLab	oklab(59.91% -0.0089 -0.1571)
OKLCH	oklch(59.91% 0.157 266.8)
XYZ	xyz(23.6304, 20.8244, 71.1668)
Luminance	0.2083 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5579DD #DDB955

analogous

#55BDDD #5579DD #7555DD

triadic

#5579DD #DD5579 #79DD55

tetradic

#5579DD #DD55BD #DDB955 #55DD75

square

#5579DD #DD55BD #DDB955 #55DD75

split-complementary

#5579DD #DD7555 #BDDD55

monochromatic

#1F3F99 #2954CC #5579DD #88A1E7 #BBC9F1

Accessibility & contrast

On white

4.07

#5579DD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.17

#5579DD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5579DD

5.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5579DD	#FFFFFF	#000000	##000000
##5579DD	1.00	4.07	5.17	5.17
#FFFFFF	4.07	1.00	21.00	21.00
#000000	5.17	21.00	1.00	1.00
##000000	5.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4984E1

Deuteranopia (green-blind)

#3378DB

Tritanopia (blue-blind)

#0090A0

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #5579dd;
/* rgb */ color: rgb(85, 121, 221);
/* oklch */ color: oklch(59.9% 0.157 266.8);

Tailwind

colors: {
  custom: {
    50: '#919fe8',
    500: '#5579dd',
    950: '#000000',
  },
}

SCSS

$custom: #5579dd;
$custom-light: #919fe8;
$custom-dark: #000000;

JSON

{
  "hex": "#5579dd",
  "rgb": {
    "r": 85,
    "g": 121,
    "b": 221
  },
  "hsl": {
    "h": 224.118,
    "s": 66.667,
    "l": 60
  },
  "oklch": {
    "l": 0.5991,
    "c": 0.15736,
    "h": 266.8
  },
  "luminance": 0.20826
}

Semantic roles & 50–950 ramp

primary

#5579DD

secondary

#E1D3AD

accent

#BC3EEA

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0E16

muted

#7E7E84

Preview Lab

Preview with #5579DD

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

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