#4B42D9#4B42D9

#4B42D9 is a mid, highly saturated blue. Relative luminance 0.104; OKLCH L 49.1% C 0.221 H 277.1°. Best body text is #FFFFFF at 6.82:1 contrast (WCAG AA passes).

Color values

HEX	#4B42D9
RGB	rgb(75, 66, 217)
HSL	hsl(244, 67%, 55%)
HSV	hsv(244, 70%, 85%)
CMYK	cmyk(65.4%, 69.6%, 0%, 14.9%)
CIE-LAB	lab(38.55, 48.61, -75.82)
CIE-LCH	lch(38.55, 90.06, 302.66°)
OKLab	oklab(49.09% 0.0274 -0.2189)
OKLCH	oklch(49.09% 0.221 277.1)
XYZ	xyz(17.3702, 10.4006, 66.7243)
Luminance	0.1040 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 3.12

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B42D9 #D0D942

analogous

#4284D9 #4B42D9 #9642D9

triadic

#4B42D9 #D94B42 #42D94B

tetradic

#4B42D9 #D94284 #D0D942 #42D996

square

#4B42D9 #D94284 #D0D942 #42D996

split-complementary

#4B42D9 #D99642 #84D942

monochromatic

#211B86 #2E25B9 #4B42D9 #7C75E3 #ACA8ED

Accessibility & contrast

On white

6.82

#4B42D9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.08

#4B42D9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4B42D9

6.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B42D9	#FFFFFF	#000000	##FFFFFF
##4B42D9	1.00	6.82	3.08	6.82
#FFFFFF	6.82	1.00	21.00	1.00
#000000	3.08	21.00	1.00	21.00
##FFFFFF	6.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0061DE

Deuteranopia (green-blind)

#0054D6

Tritanopia (blue-blind)

#006B89

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #4b42d9;
/* rgb */ color: rgb(75, 66, 217);
/* oklch */ color: oklch(49.1% 0.221 277.1);

Tailwind

colors: {
  custom: {
    50: '#8e78e6',
    500: '#4b42d9',
    950: '#000000',
  },
}

SCSS

$custom: #4b42d9;
$custom-light: #8e78e6;
$custom-dark: #000000;

JSON

{
  "hex": "#4b42d9",
  "rgb": {
    "r": 75,
    "g": 66,
    "b": 217
  },
  "hsl": {
    "h": 243.576,
    "s": 66.52,
    "l": 55.49
  },
  "oklch": {
    "l": 0.49093,
    "c": 0.22063,
    "h": 277.1
  },
  "luminance": 0.10402
}

Semantic roles & 50–950 ramp

primary

#4B42D9

secondary

#D7DB9C

accent

#E93EDF

background

#F9F7FE

surface

#F2EDFD

border

#CCC8D5

text

#0E0916

muted

#7E7B84

Preview Lab

Preview with #4B42D9

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

Preview Lab → · Contrast checker → · Palette generator →