#4F40FF#4F40FF

#4F40FF is a mid, highly saturated blue. Relative luminance 0.125; OKLCH L 52.7% C 0.266 H 275.7°. Best body text is #FFFFFF at 5.98:1 contrast (WCAG AA passes).

Color values

HEX	#4F40FF
RGB	rgb(79, 64, 255)
HSL	hsl(245, 100%, 63%)
HSV	hsv(245, 75%, 100%)
CMYK	cmyk(69%, 74.9%, 0%, 0%)
CIE-LAB	lab(42.07, 61.73, -91.52)
CIE-LCH	lch(42.07, 110.39, 304.00°)
OKLab	oklab(52.75% 0.0264 -0.2646)
OKLCH	oklch(52.75% 0.266 275.7)
XYZ	xyz(23.1019, 12.5469, 95.7927)
Luminance	0.1255 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F40FF #F0FF40

analogous

#4091FF #4F40FF #AE40FF

triadic

#4F40FF #FF4F40 #40FF4F

tetradic

#4F40FF #FF4091 #F0FF40 #40FFAE

square

#4F40FF #FF4091 #F0FF40 #40FFAE

split-complementary

#4F40FF #FFAE40 #91FF40

monochromatic

#0F00C5 #1703FF #4F40FF #877DFF #C0BAFF

Accessibility & contrast

On white

5.98

#4F40FF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.51

#4F40FF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4F40FF

5.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F40FF	#FFFFFF	#000000	##FFFFFF
##4F40FF	1.00	5.98	3.51	5.98
#FFFFFF	5.98	1.00	21.00	1.00
#000000	3.51	21.00	1.00	21.00
##FFFFFF	5.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BFF

Deuteranopia (green-blind)

#005BFC

Tritanopia (blue-blind)

#00789E

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #4f40ff;
/* rgb */ color: rgb(79, 64, 255);
/* oklch */ color: oklch(52.7% 0.266 275.7);

Tailwind

colors: {
  custom: {
    50: '#9878ff',
    500: '#4f40ff',
    950: '#000000',
  },
}

SCSS

$custom: #4f40ff;
$custom-light: #9878ff;
$custom-dark: #000000;

JSON

{
  "hex": "#4f40ff",
  "rgb": {
    "r": 79,
    "g": 64,
    "b": 255
  },
  "hsl": {
    "h": 244.712,
    "s": 100,
    "l": 62.549
  },
  "oklch": {
    "l": 0.52749,
    "c": 0.26589,
    "h": 275.7
  },
  "luminance": 0.12549
}

Semantic roles & 50–950 ramp

primary

#4F40FF

secondary

#EBF0AB

accent

#E600D3

background

#FAF7FF

surface

#F4EEFF

border

#CEC9D7

text

#100918

muted

#7F7B86

Preview Lab

Preview with #4F40FF

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

Preview Lab → · Contrast checker → · Palette generator →