#4F43CB#4F43CB

#4F43CB is a mid, highly saturated blue. Relative luminance 0.100; OKLCH L 48.3% C 0.202 H 279.7°. Best body text is #FFFFFF at 7.01:1 contrast (WCAG AA passes).

Color values

HEX	#4F43CB
RGB	rgb(79, 67, 203)
HSL	hsl(245, 57%, 53%)
HSV	hsv(245, 67%, 80%)
CMYK	cmyk(61.1%, 67%, 0%, 20.4%)
CIE-LAB	lab(37.82, 44.14, -68.93)
CIE-LCH	lch(37.82, 81.86, 302.63°)
OKLab	oklab(48.26% 0.0338 -0.1986)
OKLCH	oklch(48.26% 0.202 279.7)
XYZ	xyz(16.0077, 9.9872, 57.5725)
Luminance	0.0999 (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

#4F43CB #BFCB43

analogous

#437BCB #4F43CB #9343CB

triadic

#4F43CB #CB4F43 #43CB4F

tetradic

#4F43CB #CB437B #BFCB43 #43CB93

square

#4F43CB #CB437B #BFCB43 #43CB93

split-complementary

#4F43CB #CB9343 #7BCB43

monochromatic

#272074 #382DA4 #4F43CB #7C73D8 #A9A3E6

Accessibility & contrast

On white

7.01

#4F43CB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

3.00

#4F43CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4F43CB

7.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F43CB	#FFFFFF	#000000	##FFFFFF
##4F43CB	1.00	7.01	3.00	7.01
#FFFFFF	7.01	1.00	21.00	1.00
#000000	3.00	21.00	1.00	21.00
##FFFFFF	7.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005ECF

Deuteranopia (green-blind)

#0054C8

Tritanopia (blue-blind)

#006781

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #4f43cb;
/* rgb */ color: rgb(79, 67, 203);
/* oklch */ color: oklch(48.3% 0.202 279.7);

Tailwind

colors: {
  custom: {
    50: '#8e78dc',
    500: '#4f43cb',
    950: '#000000',
  },
}

SCSS

$custom: #4f43cb;
$custom-light: #8e78dc;
$custom-dark: #000000;

JSON

{
  "hex": "#4f43cb",
  "rgb": {
    "r": 79,
    "g": 67,
    "b": 203
  },
  "hsl": {
    "h": 245.294,
    "s": 56.667,
    "l": 52.941
  },
  "oklch": {
    "l": 0.48263,
    "c": 0.2015,
    "h": 279.7
  },
  "luminance": 0.09988
}

Semantic roles & 50–950 ramp

primary

#4F43CB

secondary

#CDD298

accent

#E048D3

background

#F9F7FD

surface

#F2EDFB

border

#CCC8D4

text

#0E0915

muted

#7E7B83

Preview Lab

Preview with #4F43CB

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

Preview Lab → · Contrast checker → · Palette generator →