#4B31DB#4B31DB

#4B31DB is a mid, highly saturated blue. Relative luminance 0.088; OKLCH L 47.1% C 0.239 H 278.9°. Best body text is #FFFFFF at 7.60:1 contrast (WCAG AA passes).

Color values

HEX	#4B31DB
RGB	rgb(75, 49, 219)
HSL	hsl(249, 70%, 53%)
HSV	hsv(249, 78%, 86%)
CMYK	cmyk(65.8%, 77.6%, 0%, 14.1%)
CIE-LAB	lab(35.61, 58.06, -81.82)
CIE-LCH	lch(35.61, 100.33, 305.36°)
OKLab	oklab(47.07% 0.0369 -0.2363)
OKLCH	oklch(47.07% 0.239 278.9)
XYZ	xyz(16.7820, 8.8055, 67.8194)
Luminance	0.0881 (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

#4B31DB #C1DB31

analogous

#316CDB #4B31DB #A031DB

triadic

#4B31DB #DB4B31 #31DB4B

tetradic

#4B31DB #DB316C #C1DB31 #31DBA0

square

#4B31DB #DB316C #C1DB31 #31DBA0

split-complementary

#4B31DB #DBA031 #6CDB31

monochromatic

#25167C #351FB0 #4B31DB #7965E4 #A699ED

Accessibility & contrast

On white

7.60

#4B31DB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.76

#4B31DB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B31DB

7.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B31DB	#FFFFFF	#000000	##FFFFFF
##4B31DB	1.00	7.60	2.76	7.60
#FFFFFF	7.60	1.00	21.00	1.00
#000000	2.76	21.00	1.00	21.00
##FFFFFF	7.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005AE0

Deuteranopia (green-blind)

#004DD8

Tritanopia (blue-blind)

#006486

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #4b31db;
/* rgb */ color: rgb(75, 49, 219);
/* oklch */ color: oklch(47.1% 0.239 278.9);

Tailwind

colors: {
  custom: {
    50: '#906ee8',
    500: '#4b31db',
    950: '#000000',
  },
}

SCSS

$custom: #4b31db;
$custom-light: #906ee8;
$custom-dark: #000000;

JSON

{
  "hex": "#4b31db",
  "rgb": {
    "r": 75,
    "g": 49,
    "b": 219
  },
  "hsl": {
    "h": 249.176,
    "s": 70.248,
    "l": 52.549
  },
  "oklch": {
    "l": 0.47068,
    "c": 0.23917,
    "h": 278.9
  },
  "luminance": 0.08807
}

Semantic roles & 50–950 ramp

primary

#4B31DB

secondary

#CED98F

accent

#ED3BD2

background

#F9F6FE

surface

#F2ECFD

border

#CCC7D5

text

#0E0716

muted

#7E7A84

Preview Lab

Preview with #4B31DB

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

Preview Lab → · Contrast checker → · Palette generator →