#4B41BB#4B41BB

#4B41BB is a mid, vivid blue. Relative luminance 0.089; OKLCH L 46.2% C 0.184 H 280.1°. Best body text is #FFFFFF at 7.57:1 contrast (WCAG AA passes).

Color values

HEX	#4B41BB
RGB	rgb(75, 65, 187)
HSL	hsl(245, 48%, 49%)
HSV	hsv(245, 65%, 73%)
CMYK	cmyk(59.9%, 65.2%, 0%, 26.7%)
CIE-LAB	lab(35.72, 39.60, -63.03)
CIE-LCH	lch(35.72, 74.44, 302.14°)
OKLab	oklab(46.25% 0.0322 -0.1814)
OKLCH	oklch(46.25% 0.184 280.1)
XYZ	xyz(13.7588, 8.8633, 47.9898)
Luminance	0.0886 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 1.06

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B41BB #B1BB41

analogous

#4174BB #4B41BB #8841BB

triadic

#4B41BB #BB4B41 #41BB4B

tetradic

#4B41BB #BB4174 #B1BB41 #41BB88

square

#4B41BB #BB4174 #B1BB41 #41BB88

split-complementary

#4B41BB #BB8841 #74BB41

monochromatic

#272160 #39318E #4B41BB #756DCC #A09ADC

Accessibility & contrast

On white

7.57

#4B41BB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.77

#4B41BB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B41BB

7.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B41BB	#FFFFFF	#000000	##FFFFFF
##4B41BB	1.00	7.57	2.77	7.57
#FFFFFF	7.57	1.00	21.00	1.00
#000000	2.77	21.00	1.00	21.00
##FFFFFF	7.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059BF

Deuteranopia (green-blind)

#004FB9

Tritanopia (blue-blind)

#006078

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #4b41bb;
/* rgb */ color: rgb(75, 65, 187);
/* oklch */ color: oklch(46.2% 0.184 280.1);

Tailwind

colors: {
  custom: {
    50: '#8976d0',
    500: '#4b41bb',
    950: '#000000',
  },
}

SCSS

$custom: #4b41bb;
$custom-light: #8976d0;
$custom-dark: #000000;

JSON

{
  "hex": "#4b41bb",
  "rgb": {
    "r": 75,
    "g": 65,
    "b": 187
  },
  "hsl": {
    "h": 244.918,
    "s": 48.413,
    "l": 49.412
  },
  "oklch": {
    "l": 0.46247,
    "c": 0.18428,
    "h": 280.1
  },
  "luminance": 0.08864
}

Semantic roles & 50–950 ramp

primary

#4B41BB

secondary

#C3C890

accent

#D850CD

background

#F9F7FC

surface

#F1EDF9

border

#CBC8D2

text

#0D0814

muted

#7E7B82

Preview Lab

Preview with #4B41BB

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

Preview Lab → · Contrast checker → · Palette generator →