#5543BB#5543BB

#5543BB is a mid, vivid blue. Relative luminance 0.095; OKLCH L 47.4% C 0.180 H 284.0°. Best body text is #FFFFFF at 7.22:1 contrast (WCAG AA passes).

Color values

HEX	#5543BB
RGB	rgb(85, 67, 187)
HSL	hsl(249, 47%, 50%)
HSV	hsv(249, 64%, 73%)
CMYK	cmyk(54.5%, 64.2%, 0%, 26.7%)
CIE-LAB	lab(36.99, 40.11, -60.92)
CIE-LCH	lch(36.99, 72.94, 303.36°)
OKLab	oklab(47.38% 0.0435 -0.175)
OKLCH	oklch(47.38% 0.18 284)
XYZ	xyz(14.7204, 9.5326, 48.0684)
Luminance	0.0953 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 1.29

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5543BB #A9BB43

analogous

#436DBB #5543BB #9143BB

triadic

#5543BB #BB5543 #43BB55

tetradic

#5543BB #BB436D #A9BB43 #43BB91

square

#5543BB #BB436D #A9BB43 #43BB91

split-complementary

#5543BB #BB9143 #6DBB43

monochromatic

#2C2361 #41338E #5543BB #7D70CC #A69DDC

Accessibility & contrast

On white

7.22

#5543BB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.91

#5543BB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5543BB

7.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5543BB	#FFFFFF	#000000	##FFFFFF
##5543BB	1.00	7.22	2.91	7.22
#FFFFFF	7.22	1.00	21.00	1.00
#000000	2.91	21.00	1.00	21.00
##FFFFFF	7.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BBF

Deuteranopia (green-blind)

#0053B9

Tritanopia (blue-blind)

#286179

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #5543bb;
/* rgb */ color: rgb(85, 67, 187);
/* oklch */ color: oklch(47.4% 0.180 284.0);

Tailwind

colors: {
  custom: {
    50: '#8e78d0',
    500: '#5543bb',
    950: '#000000',
  },
}

SCSS

$custom: #5543bb;
$custom-light: #8e78d0;
$custom-dark: #000000;

JSON

{
  "hex": "#5543bb",
  "rgb": {
    "r": 85,
    "g": 67,
    "b": 187
  },
  "hsl": {
    "h": 249,
    "s": 47.244,
    "l": 49.804
  },
  "oklch": {
    "l": 0.47376,
    "c": 0.18029,
    "h": 284
  },
  "luminance": 0.09533
}

Semantic roles & 50–950 ramp

primary

#5543BB

secondary

#C0C892

accent

#D751C3

background

#F9F7FC

surface

#F2EDF9

border

#CCC8D2

text

#0D0914

muted

#7E7B82

Preview Lab

Preview with #5543BB

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

Preview Lab → · Contrast checker → · Palette generator →