#5581CA#5581CA

#5581CA is a mid, vivid blue. Relative luminance 0.219; OKLCH L 60.5% C 0.122 H 260.1°. Best body text is #000000 at 5.38:1 contrast (WCAG AA passes).

Color values

HEX	#5581CA
RGB	rgb(85, 129, 202)
HSL	hsl(217, 52%, 56%)
HSV	hsv(217, 58%, 79%)
CMYK	cmyk(57.9%, 36.1%, 0%, 20.8%)
CIE-LAB	lab(53.91, 6.81, -42.44)
CIE-LCH	lch(53.91, 42.98, 279.12°)
OKLab	oklab(60.47% -0.0211 -0.1201)
OKLCH	oklch(60.47% 0.122 260.1)
XYZ	xyz(22.2535, 21.8942, 58.9190)
Luminance	0.2190 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5581CA #CA9E55

analogous

#55BCCA #5581CA #6455CA

triadic

#5581CA #CA5581 #81CA55

tetradic

#5581CA #CA55BC #CA9E55 #55CA64

square

#5581CA #CA55BC #CA9E55 #55CA64

split-complementary

#5581CA #CA6455 #BCCA55

monochromatic

#27487D #3662AC #5581CA #84A4D9 #B2C6E7

Accessibility & contrast

On white

3.90

#5581CA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.38

#5581CA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5581CA

5.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5581CA	#FFFFFF	#000000	##000000
##5581CA	1.00	3.90	5.38	5.38
#FFFFFF	3.90	1.00	21.00	21.00
#000000	5.38	21.00	1.00	1.00
##000000	5.38	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6387CD

Deuteranopia (green-blind)

#547CC8

Tritanopia (blue-blind)

#00919C

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #5581ca;
/* rgb */ color: rgb(85, 129, 202);
/* oklch */ color: oklch(60.5% 0.122 260.1);

Tailwind

colors: {
  custom: {
    50: '#8ea5da',
    500: '#5581ca',
    950: '#000000',
  },
}

SCSS

$custom: #5581ca;
$custom-light: #8ea5da;
$custom-dark: #000000;

JSON

{
  "hex": "#5581ca",
  "rgb": {
    "r": 85,
    "g": 129,
    "b": 202
  },
  "hsl": {
    "h": 217.436,
    "s": 52.466,
    "l": 56.275
  },
  "oklch": {
    "l": 0.60467,
    "c": 0.12197,
    "h": 260.1
  },
  "luminance": 0.21896
}

Semantic roles & 50–950 ramp

primary

#5581CA

secondary

#D5C3A5

accent

#A64CDC

background

#F9FAFD

surface

#F1F4FB

border

#CBCED4

text

#0D0F15

muted

#7E7F83

Preview Lab

Preview with #5581CA

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

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