#4B3BB5#4B3BB5

#4B3BB5 is a dark, vivid blue. Relative luminance 0.080; OKLCH L 44.8% C 0.184 H 282.0°. Best body text is #FFFFFF at 8.10:1 contrast (WCAG AA passes).

Color values

HEX	#4B3BB5
RGB	rgb(75, 59, 181)
HSL	hsl(248, 51%, 47%)
HSV	hsv(248, 67%, 71%)
CMYK	cmyk(58.6%, 67.4%, 0%, 29%)
CIE-LAB	lab(33.90, 41.23, -62.47)
CIE-LCH	lch(33.90, 74.85, 303.43°)
OKLab	oklab(44.77% 0.0381 -0.1798)
OKLCH	oklch(44.77% 0.184 282)
XYZ	xyz(12.8035, 7.9591, 44.5687)
Luminance	0.0796 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 1.90

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B3BB5 #A5B53B

analogous

#3B68B5 #4B3BB5 #883BB5

triadic

#4B3BB5 #B54B3B #3BB54B

tetradic

#4B3BB5 #B53B68 #A5B53B #3BB588

square

#4B3BB5 #B53B68 #A5B53B #3BB588

split-complementary

#4B3BB5 #B5883B #68B53B

monochromatic

#251D59 #382C87 #4B3BB5 #6F62CC #9A90DB

Accessibility & contrast

On white

8.10

#4B3BB5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.59

#4B3BB5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B3BB5

8.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B3BB5	#FFFFFF	#000000	##FFFFFF
##4B3BB5	1.00	8.10	2.59	8.10
#FFFFFF	8.10	1.00	21.00	1.00
#000000	2.59	21.00	1.00	21.00
##FFFFFF	8.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054B9

Deuteranopia (green-blind)

#004BB3

Tritanopia (blue-blind)

#085A73

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #4b3bb5;
/* rgb */ color: rgb(75, 59, 181);
/* oklch */ color: oklch(44.8% 0.184 282.0);

Tailwind

colors: {
  custom: {
    50: '#8872cc',
    500: '#4b3bb5',
    950: '#000000',
  },
}

SCSS

$custom: #4b3bb5;
$custom-light: #8872cc;
$custom-dark: #000000;

JSON

{
  "hex": "#4b3bb5",
  "rgb": {
    "r": 75,
    "g": 59,
    "b": 181
  },
  "hsl": {
    "h": 247.869,
    "s": 50.833,
    "l": 47.059
  },
  "oklch": {
    "l": 0.44772,
    "c": 0.18379,
    "h": 282
  },
  "luminance": 0.0796
}

Semantic roles & 50–950 ramp

primary

#4B3BB5

secondary

#BDC686

accent

#DA4DC8

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0D0813

muted

#7D7B82

Preview Lab

Preview with #4B3BB5

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

Preview Lab → · Contrast checker → · Palette generator →