#4B42EB#4B42EB

#4B42EB is a mid, highly saturated blue. Relative luminance 0.114; OKLCH L 50.8% C 0.242 H 275.8°. Best body text is #FFFFFF at 6.41:1 contrast (WCAG AA passes).

Color values

HEX	#4B42EB
RGB	rgb(75, 66, 235)
HSL	hsl(243, 81%, 59%)
HSV	hsv(243, 72%, 92%)
CMYK	cmyk(68.1%, 71.9%, 0%, 7.8%)
CIE-LAB	lab(40.23, 54.24, -83.33)
CIE-LCH	lch(40.23, 99.43, 303.06°)
OKLab	oklab(50.8% 0.0244 -0.2408)
OKLCH	oklch(50.8% 0.242 275.8)
XYZ	xyz(19.8403, 11.3886, 79.7338)
Luminance	0.1139 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B42EB #E2EB42

analogous

#428EEB #4B42EB #A042EB

triadic

#4B42EB #EB4B42 #42EB4B

tetradic

#4B42EB #EB428E #E2EB42 #42EBA0

square

#4B42EB #EB428E #E2EB42 #42EBA0

split-complementary

#4B42EB #EBA042 #8EEB42

monochromatic

#1911A2 #2117D9 #4B42EB #8079F1 #B4B1F7

Accessibility & contrast

On white

6.41

#4B42EB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.28

#4B42EB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4B42EB

6.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B42EB	#FFFFFF	#000000	##FFFFFF
##4B42EB	1.00	6.41	3.28	6.41
#FFFFFF	6.41	1.00	21.00	1.00
#000000	3.28	21.00	1.00	21.00
##FFFFFF	6.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0066F0

Deuteranopia (green-blind)

#0057E8

Tritanopia (blue-blind)

#007293

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #4b42eb;
/* rgb */ color: rgb(75, 66, 235);
/* oklch */ color: oklch(50.8% 0.242 275.8);

Tailwind

colors: {
  custom: {
    50: '#9279f3',
    500: '#4b42eb',
    950: '#000000',
  },
}

SCSS

$custom: #4b42eb;
$custom-light: #9279f3;
$custom-dark: #000000;

JSON

{
  "hex": "#4b42eb",
  "rgb": {
    "r": 75,
    "g": 66,
    "b": 235
  },
  "hsl": {
    "h": 243.195,
    "s": 80.861,
    "l": 59.02
  },
  "oklch": {
    "l": 0.50795,
    "c": 0.24206,
    "h": 275.8
  },
  "luminance": 0.1139
}

Semantic roles & 50–950 ramp

primary

#4B42EB

secondary

#E2E6A3

accent

#F731ED

background

#F9F7FF

surface

#F2EDFE

border

#CCC8D6

text

#0F0917

muted

#7E7B85

Preview Lab

Preview with #4B42EB

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

Preview Lab → · Contrast checker → · Palette generator →