#4B36BB#4B36BB

#4B36BB is a dark, vivid blue. Relative luminance 0.077; OKLCH L 44.6% C 0.197 H 282.1°. Best body text is #FFFFFF at 8.25:1 contrast (WCAG AA passes).

Color values

HEX	#4B36BB
RGB	rgb(75, 54, 187)
HSL	hsl(249, 55%, 47%)
HSV	hsv(249, 71%, 73%)
CMYK	cmyk(59.9%, 71.1%, 0%, 26.7%)
CIE-LAB	lab(33.40, 45.94, -66.84)
CIE-LCH	lch(33.40, 81.10, 304.50°)
OKLab	oklab(44.58% 0.0412 -0.1926)
OKLCH	oklch(44.58% 0.197 282.1)
XYZ	xyz(13.1877, 7.7211, 47.7995)
Luminance	0.0772 (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

#4B36BB #A6BB36

analogous

#3663BB #4B36BB #8E36BB

triadic

#4B36BB #BB4B36 #36BB4B

tetradic

#4B36BB #BB3663 #A6BB36 #36BB8E

square

#4B36BB #BB3663 #A6BB36 #36BB8E

split-complementary

#4B36BB #BB8E36 #63BB36

monochromatic

#251B5C #38288C #4B36BB #705ED0 #9A8DDE

Accessibility & contrast

On white

8.25

#4B36BB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.54

#4B36BB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B36BB

8.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B36BB	#FFFFFF	#000000	##FFFFFF
##4B36BB	1.00	8.25	2.54	8.25
#FFFFFF	8.25	1.00	21.00	1.00
#000000	2.54	21.00	1.00	21.00
##FFFFFF	8.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053BF

Deuteranopia (green-blind)

#004AB8

Tritanopia (blue-blind)

#005A75

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #4b36bb;
/* rgb */ color: rgb(75, 54, 187);
/* oklch */ color: oklch(44.6% 0.197 282.1);

Tailwind

colors: {
  custom: {
    50: '#8a6fd1',
    500: '#4b36bb',
    950: '#000000',
  },
}

SCSS

$custom: #4b36bb;
$custom-light: #8a6fd1;
$custom-dark: #000000;

JSON

{
  "hex": "#4b36bb",
  "rgb": {
    "r": 75,
    "g": 54,
    "b": 187
  },
  "hsl": {
    "h": 249.474,
    "s": 55.187,
    "l": 47.255
  },
  "oklch": {
    "l": 0.44575,
    "c": 0.19695,
    "h": 282.1
  },
  "luminance": 0.07722
}

Semantic roles & 50–950 ramp

primary

#4B36BB

secondary

#BEC984

accent

#DF49C7

background

#F9F6FD

surface

#F1ECFA

border

#CBC7D3

text

#0D0714

muted

#7E7A83

Preview Lab

Preview with #4B36BB

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

Preview Lab → · Contrast checker → · Palette generator →