#4B42D8#4B42D8

#4B42D8 is a mid, highly saturated blue. Relative luminance 0.103; OKLCH L 49.0% C 0.219 H 277.2°. Best body text is #FFFFFF at 6.84:1 contrast (WCAG AA passes).

Color values

HEX	#4B42D8
RGB	rgb(75, 66, 216)
HSL	hsl(244, 66%, 55%)
HSV	hsv(244, 69%, 85%)
CMYK	cmyk(65.3%, 69.4%, 0%, 15.3%)
CIE-LAB	lab(38.46, 48.29, -75.40)
CIE-LCH	lch(38.46, 89.54, 302.64°)
OKLab	oklab(49% 0.0276 -0.2177)
OKLCH	oklch(49% 0.219 277.2)
XYZ	xyz(17.2405, 10.3487, 66.0414)
Luminance	0.1035 (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

#4B42D8 #CFD842

analogous

#4284D8 #4B42D8 #9642D8

triadic

#4B42D8 #D84B42 #42D84B

tetradic

#4B42D8 #D84284 #CFD842 #42D896

square

#4B42D8 #D84284 #CFD842 #42D896

split-complementary

#4B42D8 #D89642 #84D842

monochromatic

#221B84 #2E26B7 #4B42D8 #7B75E2 #ACA7ED

Accessibility & contrast

On white

6.84

#4B42D8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.07

#4B42D8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4B42D8

6.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B42D8	#FFFFFF	#000000	##FFFFFF
##4B42D8	1.00	6.84	3.07	6.84
#FFFFFF	6.84	1.00	21.00	1.00
#000000	3.07	21.00	1.00	21.00
##FFFFFF	6.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0061DD

Deuteranopia (green-blind)

#0054D5

Tritanopia (blue-blind)

#006B88

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #4b42d8;
/* rgb */ color: rgb(75, 66, 216);
/* oklch */ color: oklch(49.0% 0.219 277.2);

Tailwind

colors: {
  custom: {
    50: '#8e78e5',
    500: '#4b42d8',
    950: '#000000',
  },
}

SCSS

$custom: #4b42d8;
$custom-light: #8e78e5;
$custom-dark: #000000;

JSON

{
  "hex": "#4b42d8",
  "rgb": {
    "r": 75,
    "g": 66,
    "b": 216
  },
  "hsl": {
    "h": 243.6,
    "s": 65.789,
    "l": 55.294
  },
  "oklch": {
    "l": 0.49,
    "c": 0.21942,
    "h": 277.2
  },
  "luminance": 0.1035
}

Semantic roles & 50–950 ramp

primary

#4B42D8

secondary

#D6DA9C

accent

#E93FDF

background

#F9F7FE

surface

#F2EDFC

border

#CCC8D5

text

#0E0916

muted

#7E7B84

Preview Lab

Preview with #4B42D8

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

Preview Lab → · Contrast checker → · Palette generator →