#4F40C7#4F40C7

#4F40C7 is a mid, vivid blue. Relative luminance 0.095; OKLCH L 47.5% C 0.200 H 280.6°. Best body text is #FFFFFF at 7.26:1 contrast (WCAG AA passes).

Color values

HEX	#4F40C7
RGB	rgb(79, 64, 199)
HSL	hsl(247, 55%, 52%)
HSV	hsv(247, 68%, 78%)
CMYK	cmyk(60.3%, 67.8%, 0%, 22%)
CIE-LAB	lab(36.84, 44.61, -68.21)
CIE-LCH	lch(36.84, 81.51, 303.18°)
OKLab	oklab(47.45% 0.0367 -0.1965)
OKLCH	oklch(47.45% 0.2 280.6)
XYZ	xyz(15.3634, 9.4515, 55.0365)
Luminance	0.0945 (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

#4F40C7 #B8C740

analogous

#4075C7 #4F40C7 #9340C7

triadic

#4F40C7 #C74F40 #40C74F

tetradic

#4F40C7 #C74075 #B8C740 #40C793

square

#4F40C7 #C74075 #B8C740 #40C793

split-complementary

#4F40C7 #C79340 #75C740

monochromatic

#28206D #3A2E9C #4F40C7 #7B6FD5 #A69FE3

Accessibility & contrast

On white

7.26

#4F40C7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.89

#4F40C7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4F40C7

7.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F40C7	#FFFFFF	#000000	##FFFFFF
##4F40C7	1.00	7.26	2.89	7.26
#FFFFFF	7.26	1.00	21.00	1.00
#000000	2.89	21.00	1.00	21.00
##FFFFFF	7.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CCB

Deuteranopia (green-blind)

#0052C4

Tritanopia (blue-blind)

#00637E

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #4f40c7;
/* rgb */ color: rgb(79, 64, 199);
/* oklch */ color: oklch(47.5% 0.200 280.6);

Tailwind

colors: {
  custom: {
    50: '#8d76d9',
    500: '#4f40c7',
    950: '#000000',
  },
}

SCSS

$custom: #4f40c7;
$custom-light: #8d76d9;
$custom-dark: #000000;

JSON

{
  "hex": "#4f40c7",
  "rgb": {
    "r": 79,
    "g": 64,
    "b": 199
  },
  "hsl": {
    "h": 246.667,
    "s": 54.656,
    "l": 51.569
  },
  "oklch": {
    "l": 0.47451,
    "c": 0.19993,
    "h": 280.6
  },
  "luminance": 0.09453
}

Semantic roles & 50–950 ramp

primary

#4F40C7

secondary

#C8CF94

accent

#DE4ACE

background

#F9F7FD

surface

#F2EDFB

border

#CCC8D4

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #4F40C7

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

Preview Lab → · Contrast checker → · Palette generator →