#4F40C8#4F40C8

#4F40C8 is a mid, highly saturated blue. Relative luminance 0.095; OKLCH L 47.5% C 0.201 H 280.5°. Best body text is #FFFFFF at 7.24:1 contrast (WCAG AA passes).

Color values

HEX	#4F40C8
RGB	rgb(79, 64, 200)
HSL	hsl(247, 55%, 52%)
HSV	hsv(247, 68%, 78%)
CMYK	cmyk(60.5%, 68%, 0%, 21.6%)
CIE-LAB	lab(36.93, 44.92, -68.65)
CIE-LCH	lch(36.93, 82.05, 303.20°)
OKLab	oklab(47.54% 0.0366 -0.1978)
OKLCH	oklch(47.54% 0.201 280.5)
XYZ	xyz(15.4799, 9.4981, 55.6500)
Luminance	0.0950 (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

#4F40C8 #B9C840

analogous

#4075C8 #4F40C8 #9340C8

triadic

#4F40C8 #C84F40 #40C84F

tetradic

#4F40C8 #C84075 #B9C840 #40C893

square

#4F40C8 #C84075 #B9C840 #40C893

split-complementary

#4F40C8 #C89340 #75C840

monochromatic

#28206E #3A2D9D #4F40C8 #7B70D6 #A79FE3

Accessibility & contrast

On white

7.24

#4F40C8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.90

#4F40C8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4F40C8

7.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F40C8	#FFFFFF	#000000	##FFFFFF
##4F40C8	1.00	7.24	2.90	7.24
#FFFFFF	7.24	1.00	21.00	1.00
#000000	2.90	21.00	1.00	21.00
##FFFFFF	7.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CCC

Deuteranopia (green-blind)

#0052C5

Tritanopia (blue-blind)

#00647F

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #4f40c8;
/* rgb */ color: rgb(79, 64, 200);
/* oklch */ color: oklch(47.5% 0.201 280.5);

Tailwind

colors: {
  custom: {
    50: '#8d76da',
    500: '#4f40c8',
    950: '#000000',
  },
}

SCSS

$custom: #4f40c8;
$custom-light: #8d76da;
$custom-dark: #000000;

JSON

{
  "hex": "#4f40c8",
  "rgb": {
    "r": 79,
    "g": 64,
    "b": 200
  },
  "hsl": {
    "h": 246.618,
    "s": 55.285,
    "l": 51.765
  },
  "oklch": {
    "l": 0.4754,
    "c": 0.20118,
    "h": 280.5
  },
  "luminance": 0.09499
}

Semantic roles & 50–950 ramp

primary

#4F40C8

secondary

#C9D094

accent

#DF49CE

background

#F9F7FD

surface

#F2EDFB

border

#CCC8D4

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #4F40C8

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

Preview Lab → · Contrast checker → · Palette generator →