#4B42DB#4B42DB

#4B42DB is a mid, highly saturated blue. Relative luminance 0.105; OKLCH L 49.3% C 0.223 H 277.0°. Best body text is #FFFFFF at 6.77:1 contrast (WCAG AA passes).

Color values

HEX	#4B42DB
RGB	rgb(75, 66, 219)
HSL	hsl(244, 68%, 56%)
HSV	hsv(244, 70%, 86%)
CMYK	cmyk(65.8%, 69.9%, 0%, 14.1%)
CIE-LAB	lab(38.73, 49.24, -76.67)
CIE-LCH	lch(38.73, 91.12, 302.71°)
OKLab	oklab(49.28% 0.0271 -0.2214)
OKLCH	oklch(49.28% 0.223 277)
XYZ	xyz(17.6319, 10.5052, 68.1026)
Luminance	0.1051 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 3.26

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B42DB #D2DB42

analogous

#4286DB #4B42DB #9742DB

triadic

#4B42DB #DB4B42 #42DB4B

tetradic

#4B42DB #DB4286 #D2DB42 #42DB97

square

#4B42DB #DB4286 #D2DB42 #42DB97

split-complementary

#4B42DB #DB9742 #86DB42

monochromatic

#211A89 #2D24BC #4B42DB #7C75E5 #ADA9EF

Accessibility & contrast

On white

6.77

#4B42DB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.10

#4B42DB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4B42DB

6.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B42DB	#FFFFFF	#000000	##FFFFFF
##4B42DB	1.00	6.77	3.10	6.77
#FFFFFF	6.77	1.00	21.00	1.00
#000000	3.10	21.00	1.00	21.00
##FFFFFF	6.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062E0

Deuteranopia (green-blind)

#0055D8

Tritanopia (blue-blind)

#006C8A

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #4b42db;
/* rgb */ color: rgb(75, 66, 219);
/* oklch */ color: oklch(49.3% 0.223 277.0);

Tailwind

colors: {
  custom: {
    50: '#8f78e7',
    500: '#4b42db',
    950: '#000000',
  },
}

SCSS

$custom: #4b42db;
$custom-light: #8f78e7;
$custom-dark: #000000;

JSON

{
  "hex": "#4b42db",
  "rgb": {
    "r": 75,
    "g": 66,
    "b": 219
  },
  "hsl": {
    "h": 243.529,
    "s": 68,
    "l": 55.882
  },
  "oklch": {
    "l": 0.49279,
    "c": 0.22305,
    "h": 277
  },
  "luminance": 0.10507
}

Semantic roles & 50–950 ramp

primary

#4B42DB

secondary

#D8DC9D

accent

#EB3DE1

background

#F9F7FE

surface

#F2EDFD

border

#CCC8D5

text

#0E0916

muted

#7E7B84

Preview Lab

Preview with #4B42DB

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

Preview Lab → · Contrast checker → · Palette generator →