#4B42E8#4B42E8

#4B42E8 is a mid, highly saturated blue. Relative luminance 0.112; OKLCH L 50.5% C 0.239 H 276.0°. Best body text is #FFFFFF at 6.47:1 contrast (WCAG AA passes).

Color values

HEX	#4B42E8
RGB	rgb(75, 66, 232)
HSL	hsl(243, 78%, 58%)
HSV	hsv(243, 72%, 91%)
CMYK	cmyk(67.7%, 71.6%, 0%, 9%)
CIE-LAB	lab(39.94, 53.31, -82.09)
CIE-LCH	lch(39.94, 97.89, 303.00°)
OKLab	oklab(50.51% 0.0249 -0.2372)
OKLCH	oklch(50.51% 0.239 276)
XYZ	xyz(19.4106, 11.2167, 77.4704)
Luminance	0.1122 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B42E8 #DFE842

analogous

#428CE8 #4B42E8 #9E42E8

triadic

#4B42E8 #E84B42 #42E84B

tetradic

#4B42E8 #E8428C #DFE842 #42E89E

square

#4B42E8 #E8428C #DFE842 #42E89E

split-complementary

#4B42E8 #E89E42 #8CE842

monochromatic

#1B139D #241AD3 #4B42E8 #7F79EF #B3AFF5

Accessibility & contrast

On white

6.47

#4B42E8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.24

#4B42E8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4B42E8

6.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B42E8	#FFFFFF	#000000	##FFFFFF
##4B42E8	1.00	6.47	3.24	6.47
#FFFFFF	6.47	1.00	21.00	1.00
#000000	3.24	21.00	1.00	21.00
##FFFFFF	6.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0065ED

Deuteranopia (green-blind)

#0057E5

Tritanopia (blue-blind)

#007191

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #4b42e8;
/* rgb */ color: rgb(75, 66, 232);
/* oklch */ color: oklch(50.5% 0.239 276.0);

Tailwind

colors: {
  custom: {
    50: '#9178f1',
    500: '#4b42e8',
    950: '#000000',
  },
}

SCSS

$custom: #4b42e8;
$custom-light: #9178f1;
$custom-dark: #000000;

JSON

{
  "hex": "#4b42e8",
  "rgb": {
    "r": 75,
    "g": 66,
    "b": 232
  },
  "hsl": {
    "h": 243.253,
    "s": 78.302,
    "l": 58.431
  },
  "oklch": {
    "l": 0.50507,
    "c": 0.23855,
    "h": 276
  },
  "luminance": 0.11218
}

Semantic roles & 50–950 ramp

primary

#4B42E8

secondary

#E0E4A2

accent

#F533EA

background

#F9F7FE

surface

#F2EDFD

border

#CCC8D5

text

#0F0917

muted

#7E7B85

Preview Lab

Preview with #4B42E8

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

Preview Lab → · Contrast checker → · Palette generator →