#4B38BB#4B38BB

#4B38BB is a dark, vivid blue. Relative luminance 0.079; OKLCH L 44.9% C 0.195 H 281.7°. Best body text is #FFFFFF at 8.13:1 contrast (WCAG AA passes).

Color values

HEX	#4B38BB
RGB	rgb(75, 56, 187)
HSL	hsl(249, 54%, 48%)
HSV	hsv(249, 70%, 73%)
CMYK	cmyk(59.9%, 70.1%, 0%, 26.7%)
CIE-LAB	lab(33.80, 44.83, -66.18)
CIE-LCH	lch(33.80, 79.93, 304.11°)
OKLab	oklab(44.86% 0.0396 -0.1907)
OKLCH	oklch(44.86% 0.195 281.7)
XYZ	xyz(13.2827, 7.9111, 47.8311)
Luminance	0.0791 (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

#4B38BB #A8BB38

analogous

#3867BB #4B38BB #8C38BB

triadic

#4B38BB #BB4B38 #38BB4B

tetradic

#4B38BB #BB3867 #A8BB38 #38BB8C

square

#4B38BB #BB3867 #A8BB38 #38BB8C

split-complementary

#4B38BB #BB8C38 #67BB38

monochromatic

#251C5D #382A8C #4B38BB #7161D0 #9B90DE

Accessibility & contrast

On white

8.13

#4B38BB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.58

#4B38BB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B38BB

8.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B38BB	#FFFFFF	#000000	##FFFFFF
##4B38BB	1.00	8.13	2.58	8.13
#FFFFFF	8.13	1.00	21.00	1.00
#000000	2.58	21.00	1.00	21.00
##FFFFFF	8.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054BF

Deuteranopia (green-blind)

#004BB9

Tritanopia (blue-blind)

#005B75

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #4b38bb;
/* rgb */ color: rgb(75, 56, 187);
/* oklch */ color: oklch(44.9% 0.195 281.7);

Tailwind

colors: {
  custom: {
    50: '#8a70d1',
    500: '#4b38bb',
    950: '#000000',
  },
}

SCSS

$custom: #4b38bb;
$custom-light: #8a70d1;
$custom-dark: #000000;

JSON

{
  "hex": "#4b38bb",
  "rgb": {
    "r": 75,
    "g": 56,
    "b": 187
  },
  "hsl": {
    "h": 248.702,
    "s": 53.909,
    "l": 47.647
  },
  "oklch": {
    "l": 0.44861,
    "c": 0.19475,
    "h": 281.7
  },
  "luminance": 0.07912
}

Semantic roles & 50–950 ramp

primary

#4B38BB

secondary

#BFC886

accent

#DD4BC8

background

#F9F6FD

surface

#F1ECFA

border

#CBC7D3

text

#0D0814

muted

#7E7B83

Preview Lab

Preview with #4B38BB

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

Preview Lab → · Contrast checker → · Palette generator →