#4B3FBB#4B3FBB

#4B3FBB is a mid, vivid blue. Relative luminance 0.086; OKLCH L 45.9% C 0.187 H 280.5°. Best body text is #FFFFFF at 7.70:1 contrast (WCAG AA passes).

Color values

HEX	#4B3FBB
RGB	rgb(75, 63, 187)
HSL	hsl(246, 50%, 49%)
HSV	hsv(246, 66%, 73%)
CMYK	cmyk(59.9%, 66.3%, 0%, 26.7%)
CIE-LAB	lab(35.28, 40.79, -63.76)
CIE-LCH	lch(35.28, 75.69, 302.61°)
OKLab	oklab(45.93% 0.0339 -0.1836)
OKLCH	oklch(45.93% 0.187 280.5)
XYZ	xyz(13.6460, 8.6378, 47.9522)
Luminance	0.0864 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 1.28

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B3FBB #AFBB3F

analogous

#3F71BB #4B3FBB #893FBB

triadic

#4B3FBB #BB4B3F #3FBB4B

tetradic

#4B3FBB #BB3F71 #AFBB3F #3FBB89

square

#4B3FBB #BB3F71 #AFBB3F #3FBB89

split-complementary

#4B3FBB #BB893F #71BB3F

monochromatic

#26205F #39308D #4B3FBB #746ACD #9F98DC

Accessibility & contrast

On white

7.70

#4B3FBB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.73

#4B3FBB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B3FBB

7.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B3FBB	#FFFFFF	#000000	##FFFFFF
##4B3FBB	1.00	7.70	2.73	7.70
#FFFFFF	7.70	1.00	21.00	1.00
#000000	2.73	21.00	1.00	21.00
##FFFFFF	7.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057BF

Deuteranopia (green-blind)

#004EB9

Tritanopia (blue-blind)

#005F77

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #4b3fbb;
/* rgb */ color: rgb(75, 63, 187);
/* oklch */ color: oklch(45.9% 0.187 280.5);

Tailwind

colors: {
  custom: {
    50: '#8975d0',
    500: '#4b3fbb',
    950: '#000000',
  },
}

SCSS

$custom: #4b3fbb;
$custom-light: #8975d0;
$custom-dark: #000000;

JSON

{
  "hex": "#4b3fbb",
  "rgb": {
    "r": 75,
    "g": 63,
    "b": 187
  },
  "hsl": {
    "h": 245.806,
    "s": 49.6,
    "l": 49.02
  },
  "oklch": {
    "l": 0.45926,
    "c": 0.18668,
    "h": 280.5
  },
  "luminance": 0.08639
}

Semantic roles & 50–950 ramp

primary

#4B3FBB

secondary

#C2C88E

accent

#D94FCC

background

#F9F7FC

surface

#F1EDF9

border

#CBC8D2

text

#0D0814

muted

#7E7B82

Preview Lab

Preview with #4B3FBB

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

Preview Lab → · Contrast checker → · Palette generator →