#4B3FA0#4B3FA0

#4B3FA0 is a dark, vivid blue. Relative luminance 0.076; OKLCH L 43.7% C 0.151 H 283.8°. Best body text is #FFFFFF at 8.34:1 contrast (WCAG AA passes).

Color values

HEX	#4B3FA0
RGB	rgb(75, 63, 160)
HSL	hsl(247, 43%, 44%)
HSV	hsv(247, 61%, 63%)
CMYK	cmyk(53.1%, 60.6%, 0%, 37.3%)
CIE-LAB	lab(33.11, 32.15, -51.19)
CIE-LCH	lch(33.11, 60.45, 302.13°)
OKLab	oklab(43.67% 0.0361 -0.1467)
OKLCH	oklch(43.67% 0.151 283.8)
XYZ	xyz(11.0224, 7.5883, 34.1348)
Luminance	0.0759 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B3FA0 #94A03F

analogous

#3F63A0 #4B3FA0 #7B3FA0

triadic

#4B3FA0 #A04B3F #3FA04B

tetradic

#4B3FA0 #A03F63 #94A03F #3FA07B

square

#4B3FA0 #A03F63 #94A03F #3FA07B

split-complementary

#4B3FA0 #A07B3F #63A03F

monochromatic

#221C48 #362E74 #4B3FA0 #695DBF #9289D0

Accessibility & contrast

On white

8.34

#4B3FA0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.52

#4B3FA0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B3FA0

8.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B3FA0	#FFFFFF	#000000	##FFFFFF
##4B3FA0	1.00	8.34	2.52	8.34
#FFFFFF	8.34	1.00	21.00	1.00
#000000	2.52	21.00	1.00	21.00
##FFFFFF	8.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051A3

Deuteranopia (green-blind)

#004B9E

Tritanopia (blue-blind)

#285669

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #4b3fa0;
/* rgb */ color: rgb(75, 63, 160);
/* oklch */ color: oklch(43.7% 0.151 283.8);

Tailwind

colors: {
  custom: {
    50: '#8574bd',
    500: '#4b3fa0',
    950: '#000000',
  },
}

SCSS

$custom: #4b3fa0;
$custom-light: #8574bd;
$custom-dark: #000000;

JSON

{
  "hex": "#4b3fa0",
  "rgb": {
    "r": 75,
    "g": 63,
    "b": 160
  },
  "hsl": {
    "h": 247.423,
    "s": 43.498,
    "l": 43.725
  },
  "oklch": {
    "l": 0.4367,
    "c": 0.15105,
    "h": 283.8
  },
  "luminance": 0.07589
}

Semantic roles & 50–950 ramp

primary

#4B3FA0

secondary

#B4BB80

accent

#D355C4

background

#F8F7FB

surface

#F0EDF7

border

#CBC8D0

text

#0C0812

muted

#7D7B81

Preview Lab

Preview with #4B3FA0

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

Preview Lab → · Contrast checker → · Palette generator →