#4B33DB#4B33DB

#4B33DB is a mid, highly saturated blue. Relative luminance 0.090; OKLCH L 47.3% C 0.237 H 278.7°. Best body text is #FFFFFF at 7.51:1 contrast (WCAG AA passes).

Color values

HEX	#4B33DB
RGB	rgb(75, 51, 219)
HSL	hsl(249, 70%, 53%)
HSV	hsv(249, 77%, 86%)
CMYK	cmyk(65.8%, 76.7%, 0%, 14.1%)
CIE-LAB	lab(35.94, 57.10, -81.28)
CIE-LCH	lch(35.94, 99.33, 305.09°)
OKLab	oklab(47.3% 0.0359 -0.2347)
OKLCH	oklch(47.3% 0.237 278.7)
XYZ	xyz(16.8675, 8.9766, 67.8479)
Luminance	0.0898 (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

#4B33DB #C3DB33

analogous

#336FDB #4B33DB #9F33DB

triadic

#4B33DB #DB4B33 #33DB4B

tetradic

#4B33DB #DB336F #C3DB33 #33DB9F

square

#4B33DB #DB336F #C3DB33 #33DB9F

split-complementary

#4B33DB #DB9F33 #6FDB33

monochromatic

#25167D #341FB1 #4B33DB #7967E4 #A79BED

Accessibility & contrast

On white

7.51

#4B33DB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.80

#4B33DB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B33DB

7.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B33DB	#FFFFFF	#000000	##FFFFFF
##4B33DB	1.00	7.51	2.80	7.51
#FFFFFF	7.51	1.00	21.00	1.00
#000000	2.80	21.00	1.00	21.00
##FFFFFF	7.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BE0

Deuteranopia (green-blind)

#004ED8

Tritanopia (blue-blind)

#006586

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #4b33db;
/* rgb */ color: rgb(75, 51, 219);
/* oklch */ color: oklch(47.3% 0.237 278.7);

Tailwind

colors: {
  custom: {
    50: '#906fe8',
    500: '#4b33db',
    950: '#000000',
  },
}

SCSS

$custom: #4b33db;
$custom-light: #906fe8;
$custom-dark: #000000;

JSON

{
  "hex": "#4b33db",
  "rgb": {
    "r": 75,
    "g": 51,
    "b": 219
  },
  "hsl": {
    "h": 248.571,
    "s": 70,
    "l": 52.941
  },
  "oklch": {
    "l": 0.473,
    "c": 0.23747,
    "h": 278.7
  },
  "luminance": 0.08978
}

Semantic roles & 50–950 ramp

primary

#4B33DB

secondary

#CFD991

accent

#ED3BD3

background

#F9F6FE

surface

#F2ECFD

border

#CCC7D5

text

#0E0816

muted

#7E7B84

Preview Lab

Preview with #4B33DB

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

Preview Lab → · Contrast checker → · Palette generator →