#4B4BC5#4B4BC5

#4B4BC5 is a mid, vivid blue. Relative luminance 0.106; OKLCH L 48.8% C 0.185 H 277.1°. Best body text is #FFFFFF at 6.75:1 contrast (WCAG AA passes).

Color values

HEX	#4B4BC5
RGB	rgb(75, 75, 197)
HSL	hsl(240, 51%, 53%)
HSV	hsv(240, 62%, 77%)
CMYK	cmyk(61.9%, 61.9%, 0%, 22.7%)
CIE-LAB	lab(38.83, 36.81, -63.82)
CIE-LCH	lch(38.83, 73.67, 299.98°)
OKLab	oklab(48.77% 0.0227 -0.1837)
OKLCH	oklch(48.77% 0.185 277.1)
XYZ	xyz(15.4925, 10.5580, 54.0340)
Luminance	0.1056 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 3.55

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B4BC5 #C5C54B

analogous

#4B88C5 #4B4BC5 #884BC5

triadic

#4B4BC5 #C54B4B #4BC54B

tetradic

#4B4BC5 #C54B88 #C5C54B #4BC588

square

#4B4BC5 #C54B88 #C5C54B #4BC588

split-complementary

#4B4BC5 #C5884B #88C54B

monochromatic

#242471 #33339F #4B4BC5 #7979D4 #A8A8E3

Accessibility & contrast

On white

6.75

#4B4BC5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.11

#4B4BC5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4B4BC5

6.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B4BC5	#FFFFFF	#000000	##FFFFFF
##4B4BC5	1.00	6.75	3.11	6.75
#FFFFFF	6.75	1.00	21.00	1.00
#000000	3.11	21.00	1.00	21.00
##FFFFFF	6.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0061C9

Deuteranopia (green-blind)

#0056C3

Tritanopia (blue-blind)

#006981

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #4b4bc5;
/* rgb */ color: rgb(75, 75, 197);
/* oklch */ color: oklch(48.8% 0.185 277.1);

Tailwind

colors: {
  custom: {
    50: '#8a7dd7',
    500: '#4b4bc5',
    950: '#000000',
  },
}

SCSS

$custom: #4b4bc5;
$custom-light: #8a7dd7;
$custom-dark: #000000;

JSON

{
  "hex": "#4b4bc5",
  "rgb": {
    "r": 75,
    "g": 75,
    "b": 197
  },
  "hsl": {
    "h": 240,
    "s": 51.261,
    "l": 53.333
  },
  "oklch": {
    "l": 0.48767,
    "c": 0.18511,
    "h": 277.1
  },
  "luminance": 0.10559
}

Semantic roles & 50–950 ramp

primary

#4B4BC5

secondary

#D0D09C

accent

#DB4DDB

background

#F9F7FD

surface

#F1EEFA

border

#CBC9D3

text

#0D0A15

muted

#7E7C83

Preview Lab

Preview with #4B4BC5

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

Preview Lab → · Contrast checker → · Palette generator →