#4F42E2#4F42E2

#4F42E2 is a mid, highly saturated blue. Relative luminance 0.111; OKLCH L 50.2% C 0.231 H 277.7°. Best body text is #FFFFFF at 6.54:1 contrast (WCAG AA passes).

Color values

HEX	#4F42E2
RGB	rgb(79, 66, 226)
HSL	hsl(245, 73%, 57%)
HSV	hsv(245, 71%, 89%)
CMYK	cmyk(65%, 70.8%, 0%, 11.4%)
CIE-LAB	lab(39.66, 51.90, -79.14)
CIE-LCH	lch(39.66, 94.64, 303.26°)
OKLab	oklab(50.21% 0.031 -0.2285)
OKLCH	oklch(50.21% 0.231 277.7)
XYZ	xyz(18.8957, 11.0481, 73.0735)
Luminance	0.1105 (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

#4F42E2 #D5E242

analogous

#4285E2 #4F42E2 #9F42E2

triadic

#4F42E2 #E24F42 #42E24F

tetradic

#4F42E2 #E24285 #D5E242 #42E29F

square

#4F42E2 #E24285 #D5E242 #42E29F

split-complementary

#4F42E2 #E29F42 #85E242

monochromatic

#211793 #2C1FC8 #4F42E2 #8077EA #B2ACF2

Accessibility & contrast

On white

6.54

#4F42E2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.21

#4F42E2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4F42E2

6.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F42E2	#FFFFFF	#000000	##FFFFFF
##4F42E2	1.00	6.54	3.21	6.54
#FFFFFF	6.54	1.00	21.00	1.00
#000000	3.21	21.00	1.00	21.00
##FFFFFF	6.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0064E7

Deuteranopia (green-blind)

#0057DF

Tritanopia (blue-blind)

#006E8E

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #4f42e2;
/* rgb */ color: rgb(79, 66, 226);
/* oklch */ color: oklch(50.2% 0.231 277.7);

Tailwind

colors: {
  custom: {
    50: '#9278ec',
    500: '#4f42e2',
    950: '#000000',
  },
}

SCSS

$custom: #4f42e2;
$custom-light: #9278ec;
$custom-dark: #000000;

JSON

{
  "hex": "#4f42e2",
  "rgb": {
    "r": 79,
    "g": 66,
    "b": 226
  },
  "hsl": {
    "h": 244.875,
    "s": 73.394,
    "l": 57.255
  },
  "oklch": {
    "l": 0.50209,
    "c": 0.23059,
    "h": 277.7
  },
  "luminance": 0.1105
}

Semantic roles & 50–950 ramp

primary

#4F42E2

secondary

#DBE09F

accent

#F038E1

background

#F9F7FE

surface

#F2EDFD

border

#CCC8D5

text

#0F0916

muted

#7E7B84

Preview Lab

Preview with #4F42E2

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

Preview Lab → · Contrast checker → · Palette generator →