#4F48DB#4F48DB

#4F48DB is a mid, highly saturated blue. Relative luminance 0.114; OKLCH L 50.4% C 0.216 H 277.4°. Best body text is #FFFFFF at 6.40:1 contrast (WCAG AA passes).

Color values

HEX	#4F48DB
RGB	rgb(79, 72, 219)
HSL	hsl(243, 67%, 57%)
HSV	hsv(243, 67%, 86%)
CMYK	cmyk(63.9%, 67.1%, 0%, 14.1%)
CIE-LAB	lab(40.26, 46.33, -74.15)
CIE-LCH	lch(40.26, 87.44, 302.00°)
OKLab	oklab(50.45% 0.0279 -0.2139)
OKLCH	oklch(50.45% 0.216 277.4)
XYZ	xyz(18.3239, 11.4100, 68.2408)
Luminance	0.1141 (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

#4F48DB #D4DB48

analogous

#488BDB #4F48DB #9948DB

triadic

#4F48DB #DB4F48 #48DB4F

tetradic

#4F48DB #DB488B #D4DB48 #48DB99

square

#4F48DB #DB488B #D4DB48 #48DB99

split-complementary

#4F48DB #DB9948 #8BDB48

monochromatic

#211C8D #2D26C0 #4F48DB #807BE5 #B1AEEF

Accessibility & contrast

On white

6.40

#4F48DB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.28

#4F48DB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4F48DB

6.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F48DB	#FFFFFF	#000000	##FFFFFF
##4F48DB	1.00	6.40	3.28	6.40
#FFFFFF	6.40	1.00	21.00	1.00
#000000	3.28	21.00	1.00	21.00
##FFFFFF	6.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0065E0

Deuteranopia (green-blind)

#0059D8

Tritanopia (blue-blind)

#006F8C

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #4f48db;
/* rgb */ color: rgb(79, 72, 219);
/* oklch */ color: oklch(50.4% 0.216 277.4);

Tailwind

colors: {
  custom: {
    50: '#907ce7',
    500: '#4f48db',
    950: '#000000',
  },
}

SCSS

$custom: #4f48db;
$custom-light: #907ce7;
$custom-dark: #000000;

JSON

{
  "hex": "#4f48db",
  "rgb": {
    "r": 79,
    "g": 72,
    "b": 219
  },
  "hsl": {
    "h": 242.857,
    "s": 67.123,
    "l": 57.059
  },
  "oklch": {
    "l": 0.5045,
    "c": 0.21575,
    "h": 277.4
  },
  "luminance": 0.11411
}

Semantic roles & 50–950 ramp

primary

#4F48DB

secondary

#DADDA2

accent

#EA3EE2

background

#F9F7FE

surface

#F2EEFD

border

#CCC9D5

text

#0E0916

muted

#7E7B84

Preview Lab

Preview with #4F48DB

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

Preview Lab → · Contrast checker → · Palette generator →