#4F48BB#4F48BB

#4F48BB is a mid, vivid blue. Relative luminance 0.099; OKLCH L 47.7% C 0.175 H 280.2°. Best body text is #FFFFFF at 7.05:1 contrast (WCAG AA passes).

Color values

HEX	#4F48BB
RGB	rgb(79, 72, 187)
HSL	hsl(244, 46%, 51%)
HSV	hsv(244, 61%, 73%)
CMYK	cmyk(57.8%, 61.5%, 0%, 26.7%)
CIE-LAB	lab(37.63, 36.04, -59.90)
CIE-LCH	lch(37.63, 69.91, 301.03°)
OKLab	oklab(47.72% 0.0309 -0.1721)
OKLCH	oklch(47.72% 0.175 280.2)
XYZ	xyz(14.5086, 9.8839, 48.1473)
Luminance	0.0988 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 1.92

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F48BB #B4BB48

analogous

#487ABB #4F48BB #8848BB

triadic

#4F48BB #BB4F48 #48BB4F

tetradic

#4F48BB #BB487A #B4BB48 #48BB88

square

#4F48BB #BB487A #B4BB48 #48BB88

split-complementary

#4F48BB #BB8848 #7ABB48

monochromatic

#292564 #3B3690 #4F48BB #7A75CC #A5A1DC

Accessibility & contrast

On white

7.05

#4F48BB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.98

#4F48BB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4F48BB

7.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F48BB	#FFFFFF	#000000	##FFFFFF
##4F48BB	1.00	7.05	2.98	7.05
#FFFFFF	7.05	1.00	21.00	1.00
#000000	2.98	21.00	1.00	21.00
##FFFFFF	7.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DBF

Deuteranopia (green-blind)

#0054B9

Tritanopia (blue-blind)

#0E647A

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #4f48bb;
/* rgb */ color: rgb(79, 72, 187);
/* oklch */ color: oklch(47.7% 0.175 280.2);

Tailwind

colors: {
  custom: {
    50: '#8b7bd0',
    500: '#4f48bb',
    950: '#000000',
  },
}

SCSS

$custom: #4f48bb;
$custom-light: #8b7bd0;
$custom-dark: #000000;

JSON

{
  "hex": "#4f48bb",
  "rgb": {
    "r": 79,
    "g": 72,
    "b": 187
  },
  "hsl": {
    "h": 243.652,
    "s": 45.817,
    "l": 50.784
  },
  "oklch": {
    "l": 0.47722,
    "c": 0.17487,
    "h": 280.2
  },
  "luminance": 0.09885
}

Semantic roles & 50–950 ramp

primary

#4F48BB

secondary

#C6C996

accent

#D552CD

background

#F9F7FC

surface

#F1EEF9

border

#CBC9D2

text

#0D0914

muted

#7E7B82

Preview Lab

Preview with #4F48BB

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

Preview Lab → · Contrast checker → · Palette generator →