#4F47DB#4F47DB

#4F47DB is a mid, highly saturated blue. Relative luminance 0.113; OKLCH L 50.3% C 0.217 H 277.6°. Best body text is #FFFFFF at 6.45:1 contrast (WCAG AA passes).

Color values

HEX	#4F47DB
RGB	rgb(79, 71, 219)
HSL	hsl(243, 67%, 57%)
HSV	hsv(243, 68%, 86%)
CMYK	cmyk(63.9%, 67.6%, 0%, 14.1%)
CIE-LAB	lab(40.05, 46.91, -74.50)
CIE-LCH	lch(40.05, 88.04, 302.20°)
OKLab	oklab(50.3% 0.0287 -0.2149)
OKLCH	oklch(50.3% 0.217 277.6)
XYZ	xyz(18.2597, 11.2817, 68.2194)
Luminance	0.1128 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Purpleish Blue

#6140EF

ΔE00 3.81

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F47DB #D3DB47

analogous

#4789DB #4F47DB #9947DB

triadic

#4F47DB #DB4F47 #47DB4F

tetradic

#4F47DB #DB4789 #D3DB47 #47DB99

square

#4F47DB #DB4789 #D3DB47 #47DB99

split-complementary

#4F47DB #DB9947 #89DB47

monochromatic

#221B8C #2E25BF #4F47DB #807AE5 #B1ADEF

Accessibility & contrast

On white

6.45

#4F47DB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.26

#4F47DB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4F47DB

6.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F47DB	#FFFFFF	#000000	##FFFFFF
##4F47DB	1.00	6.45	3.26	6.45
#FFFFFF	6.45	1.00	21.00	1.00
#000000	3.26	21.00	1.00	21.00
##FFFFFF	6.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0064E0

Deuteranopia (green-blind)

#0058D8

Tritanopia (blue-blind)

#006E8B

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #4f47db;
/* rgb */ color: rgb(79, 71, 219);
/* oklch */ color: oklch(50.3% 0.217 277.6);

Tailwind

colors: {
  custom: {
    50: '#907be7',
    500: '#4f47db',
    950: '#000000',
  },
}

SCSS

$custom: #4f47db;
$custom-light: #907be7;
$custom-dark: #000000;

JSON

{
  "hex": "#4f47db",
  "rgb": {
    "r": 79,
    "g": 71,
    "b": 219
  },
  "hsl": {
    "h": 243.243,
    "s": 67.273,
    "l": 56.863
  },
  "oklch": {
    "l": 0.50297,
    "c": 0.21684,
    "h": 277.6
  },
  "luminance": 0.11283
}

Semantic roles & 50–950 ramp

primary

#4F47DB

secondary

#DADDA1

accent

#EA3EE1

background

#F9F7FE

surface

#F2EEFD

border

#CCC9D5

text

#0E0916

muted

#7E7B84

Preview Lab

Preview with #4F47DB

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

Preview Lab → · Contrast checker → · Palette generator →