#4543BB#4543BB

#4543BB is a mid, vivid blue. Relative luminance 0.089; OKLCH L 46.1% C 0.183 H 277.2°. Best body text is #FFFFFF at 7.57:1 contrast (WCAG AA passes).

Color values

HEX	#4543BB
RGB	rgb(69, 67, 187)
HSL	hsl(241, 47%, 50%)
HSV	hsv(241, 64%, 73%)
CMYK	cmyk(63.1%, 64.2%, 0%, 26.7%)
CIE-LAB	lab(35.73, 37.46, -63.04)
CIE-LCH	lch(35.73, 73.33, 300.72°)
OKLab	oklab(46.14% 0.0229 -0.1816)
OKLCH	oklch(46.14% 0.183 277.2)
XYZ	xyz(13.4281, 8.8663, 48.0078)
Luminance	0.0887 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 1.79

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4543BB #B9BB43

analogous

#437DBB #4543BB #8143BB

triadic

#4543BB #BB4543 #43BB45

tetradic

#4543BB #BB437D #B9BB43 #43BB81

square

#4543BB #BB437D #B9BB43 #43BB81

split-complementary

#4543BB #BB8143 #7DBB43

monochromatic

#242361 #34338E #4543BB #7170CC #9E9DDC

Accessibility & contrast

On white

7.57

#4543BB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.77

#4543BB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4543BB

7.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4543BB	#FFFFFF	#000000	##FFFFFF
##4543BB	1.00	7.57	2.77	7.57
#FFFFFF	7.57	1.00	21.00	1.00
#000000	2.77	21.00	1.00	21.00
##FFFFFF	7.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059BF

Deuteranopia (green-blind)

#004FB9

Tritanopia (blue-blind)

#006279

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #4543bb;
/* rgb */ color: rgb(69, 67, 187);
/* oklch */ color: oklch(46.1% 0.183 277.2);

Tailwind

colors: {
  custom: {
    50: '#8677d0',
    500: '#4543bb',
    950: '#000000',
  },
}

SCSS

$custom: #4543bb;
$custom-light: #8677d0;
$custom-dark: #000000;

JSON

{
  "hex": "#4543bb",
  "rgb": {
    "r": 69,
    "g": 67,
    "b": 187
  },
  "hsl": {
    "h": 241,
    "s": 47.244,
    "l": 49.804
  },
  "oklch": {
    "l": 0.46137,
    "c": 0.18309,
    "h": 277.2
  },
  "luminance": 0.08867
}

Semantic roles & 50–950 ramp

primary

#4543BB

secondary

#C7C892

accent

#D751D5

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0914

muted

#7D7B82

Preview Lab

Preview with #4543BB

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

Preview Lab → · Contrast checker → · Palette generator →