#4B43DD#4B43DD

#4B43DD is a mid, highly saturated blue. Relative luminance 0.107; OKLCH L 49.6% C 0.224 H 276.7°. Best body text is #FFFFFF at 6.67:1 contrast (WCAG AA passes).

Color values

HEX	#4B43DD
RGB	rgb(75, 67, 221)
HSL	hsl(243, 69%, 56%)
HSV	hsv(243, 70%, 87%)
CMYK	cmyk(66.1%, 69.7%, 0%, 13.3%)
CIE-LAB	lab(39.12, 49.31, -77.18)
CIE-LCH	lch(39.12, 91.59, 302.57°)
OKLab	oklab(49.61% 0.0262 -0.2229)
OKLCH	oklch(49.61% 0.224 276.7)
XYZ	xyz(17.9557, 10.7291, 69.5173)
Luminance	0.1073 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 3.60

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B43DD #D5DD43

analogous

#4388DD #4B43DD #9843DD

triadic

#4B43DD #DD4B43 #43DD4B

tetradic

#4B43DD #DD4388 #D5DD43 #43DD98

square

#4B43DD #DD4388 #D5DD43 #43DD98

split-complementary

#4B43DD #DD9843 #88DD43

monochromatic

#1F198C #2B23C0 #4B43DD #7D77E6 #AEABF0

Accessibility & contrast

On white

6.67

#4B43DD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.15

#4B43DD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4B43DD

6.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B43DD	#FFFFFF	#000000	##FFFFFF
##4B43DD	1.00	6.67	3.15	6.67
#FFFFFF	6.67	1.00	21.00	1.00
#000000	3.15	21.00	1.00	21.00
##FFFFFF	6.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063E2

Deuteranopia (green-blind)

#0055DA

Tritanopia (blue-blind)

#006D8B

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #4b43dd;
/* rgb */ color: rgb(75, 67, 221);
/* oklch */ color: oklch(49.6% 0.224 276.7);

Tailwind

colors: {
  custom: {
    50: '#8f79e9',
    500: '#4b43dd',
    950: '#000000',
  },
}

SCSS

$custom: #4b43dd;
$custom-light: #8f79e9;
$custom-dark: #000000;

JSON

{
  "hex": "#4b43dd",
  "rgb": {
    "r": 75,
    "g": 67,
    "b": 221
  },
  "hsl": {
    "h": 243.117,
    "s": 69.369,
    "l": 56.471
  },
  "oklch": {
    "l": 0.49611,
    "c": 0.22442,
    "h": 276.7
  },
  "luminance": 0.10731
}

Semantic roles & 50–950 ramp

primary

#4B43DD

secondary

#DADE9E

accent

#EC3CE3

background

#F9F7FE

surface

#F2EDFD

border

#CCC8D5

text

#0E0916

muted

#7E7B84

Preview Lab

Preview with #4B43DD

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

Preview Lab → · Contrast checker → · Palette generator →