#4B4BB2#4B4BB2

#4B4BB2 is a mid, vivid blue. Relative luminance 0.097; OKLCH L 47.2% C 0.160 H 278.4°. Best body text is #FFFFFF at 7.12:1 contrast (WCAG AA passes).

Color values

HEX	#4B4BB2
RGB	rgb(75, 75, 178)
HSL	hsl(240, 41%, 50%)
HSV	hsv(240, 58%, 70%)
CMYK	cmyk(57.9%, 57.9%, 0%, 30.2%)
CIE-LAB	lab(37.37, 30.50, -55.03)
CIE-LCH	lch(37.37, 62.92, 299.00°)
OKLab	oklab(47.24% 0.0233 -0.1579)
OKLCH	oklch(47.24% 0.16 278.4)
XYZ	xyz(13.4511, 9.7414, 43.2823)
Luminance	0.0974 (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

#4B4BB2 #B2B24B

analogous

#4B7FB2 #4B4BB2 #7F4BB2

triadic

#4B4BB2 #B24B4B #4BB24B

tetradic

#4B4BB2 #B24B7F #B2B24B #4BB27F

square

#4B4BB2 #B24B7F #B2B24B #4BB27F

split-complementary

#4B4BB2 #B27F4B #7FB24B

monochromatic

#27275C #393987 #4B4BB2 #7575C5 #A0A0D7

Accessibility & contrast

On white

7.12

#4B4BB2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.95

#4B4BB2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B4BB2

7.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B4BB2	#FFFFFF	#000000	##FFFFFF
##4B4BB2	1.00	7.12	2.95	7.12
#FFFFFF	7.12	1.00	21.00	1.00
#000000	2.95	21.00	1.00	21.00
##FFFFFF	7.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CB5

Deuteranopia (green-blind)

#0054B0

Tritanopia (blue-blind)

#0B6377

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #4b4bb2;
/* rgb */ color: rgb(75, 75, 178);
/* oklch */ color: oklch(47.2% 0.160 278.4);

Tailwind

colors: {
  custom: {
    50: '#877dca',
    500: '#4b4bb2',
    950: '#000000',
  },
}

SCSS

$custom: #4b4bb2;
$custom-light: #877dca;
$custom-dark: #000000;

JSON

{
  "hex": "#4b4bb2",
  "rgb": {
    "r": 75,
    "g": 75,
    "b": 178
  },
  "hsl": {
    "h": 240,
    "s": 40.711,
    "l": 49.608
  },
  "oklch": {
    "l": 0.47241,
    "c": 0.15959,
    "h": 278.4
  },
  "luminance": 0.09742
}

Semantic roles & 50–950 ramp

primary

#4B4BB2

secondary

#C4C495

accent

#D157D1

background

#F8F7FC

surface

#F0EEF8

border

#CBC9D1

text

#0C0913

muted

#7D7B82

Preview Lab

Preview with #4B4BB2

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

Preview Lab → · Contrast checker → · Palette generator →