#4B3DAB#4B3DAB

#4B3DAB is a dark, vivid blue. Relative luminance 0.078; OKLCH L 44.2% C 0.168 H 282.8°. Best body text is #FFFFFF at 8.22:1 contrast (WCAG AA passes).

Color values

HEX	#4B3DAB
RGB	rgb(75, 61, 171)
HSL	hsl(248, 47%, 45%)
HSV	hsv(248, 64%, 67%)
CMYK	cmyk(56.1%, 64.3%, 0%, 32.9%)
CIE-LAB	lab(33.51, 36.88, -57.16)
CIE-LCH	lch(33.51, 68.02, 302.83°)
OKLab	oklab(44.23% 0.0374 -0.1642)
OKLCH	oklch(44.23% 0.168 282.8)
XYZ	xyz(11.9188, 7.7729, 39.3924)
Luminance	0.0777 (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

#4B3DAB #9DAB3D

analogous

#3D66AB #4B3DAB #823DAB

triadic

#4B3DAB #AB4B3D #3DAB4B

tetradic

#4B3DAB #AB3D66 #9DAB3D #3DAB82

square

#4B3DAB #AB3D66 #9DAB3D #3DAB82

split-complementary

#4B3DAB #AB823D #66AB3D

monochromatic

#231D51 #372D7E #4B3DAB #6C5FC6 #968CD6

Accessibility & contrast

On white

8.22

#4B3DAB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.55

#4B3DAB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B3DAB

8.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B3DAB	#FFFFFF	#000000	##FFFFFF
##4B3DAB	1.00	8.22	2.55	8.22
#FFFFFF	8.22	1.00	21.00	1.00
#000000	2.55	21.00	1.00	21.00
##FFFFFF	8.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052AE

Deuteranopia (green-blind)

#004BA9

Tritanopia (blue-blind)

#1D586E

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #4b3dab;
/* rgb */ color: rgb(75, 61, 171);
/* oklch */ color: oklch(44.2% 0.168 282.8);

Tailwind

colors: {
  custom: {
    50: '#8773c5',
    500: '#4b3dab',
    950: '#000000',
  },
}

SCSS

$custom: #4b3dab;
$custom-light: #8773c5;
$custom-dark: #000000;

JSON

{
  "hex": "#4b3dab",
  "rgb": {
    "r": 75,
    "g": 61,
    "b": 171
  },
  "hsl": {
    "h": 247.636,
    "s": 47.414,
    "l": 45.49
  },
  "oklch": {
    "l": 0.44229,
    "c": 0.16842,
    "h": 282.8
  },
  "luminance": 0.07774
}

Semantic roles & 50–950 ramp

primary

#4B3DAB

secondary

#B9C183

accent

#D751C6

background

#F8F7FC

surface

#F0EDF8

border

#CBC8D1

text

#0C0813

muted

#7D7B82

Preview Lab

Preview with #4B3DAB

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

Preview Lab → · Contrast checker → · Palette generator →