#4F47BB#4F47BB

#4F47BB is a mid, vivid blue. Relative luminance 0.098; OKLCH L 47.6% C 0.176 H 280.4°. Best body text is #FFFFFF at 7.12:1 contrast (WCAG AA passes).

Color values

HEX	#4F47BB
RGB	rgb(79, 71, 187)
HSL	hsl(244, 46%, 51%)
HSV	hsv(244, 62%, 73%)
CMYK	cmyk(57.8%, 62%, 0%, 26.7%)
CIE-LAB	lab(37.40, 36.65, -60.28)
CIE-LCH	lch(37.40, 70.55, 301.30°)
OKLab	oklab(47.55% 0.0319 -0.1732)
OKLCH	oklch(47.55% 0.176 280.4)
XYZ	xyz(14.4445, 9.7556, 48.1259)
Luminance	0.0976 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 1.66

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F47BB #B3BB47

analogous

#4779BB #4F47BB #8947BB

triadic

#4F47BB #BB4F47 #47BB4F

tetradic

#4F47BB #BB4779 #B3BB47 #47BB89

square

#4F47BB #BB4779 #B3BB47 #47BB89

split-complementary

#4F47BB #BB8947 #79BB47

monochromatic

#292563 #3B3590 #4F47BB #7A74CC #A4A0DC

Accessibility & contrast

On white

7.12

#4F47BB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.95

#4F47BB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4F47BB

7.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F47BB	#FFFFFF	#000000	##FFFFFF
##4F47BB	1.00	7.12	2.95	7.12
#FFFFFF	7.12	1.00	21.00	1.00
#000000	2.95	21.00	1.00	21.00
##FFFFFF	7.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CBF

Deuteranopia (green-blind)

#0054B9

Tritanopia (blue-blind)

#0E637A

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #4f47bb;
/* rgb */ color: rgb(79, 71, 187);
/* oklch */ color: oklch(47.6% 0.176 280.4);

Tailwind

colors: {
  custom: {
    50: '#8b7bd0',
    500: '#4f47bb',
    950: '#000000',
  },
}

SCSS

$custom: #4f47bb;
$custom-light: #8b7bd0;
$custom-dark: #000000;

JSON

{
  "hex": "#4f47bb",
  "rgb": {
    "r": 79,
    "g": 71,
    "b": 187
  },
  "hsl": {
    "h": 244.138,
    "s": 46.032,
    "l": 50.588
  },
  "oklch": {
    "l": 0.47552,
    "c": 0.17614,
    "h": 280.4
  },
  "luminance": 0.09757
}

Semantic roles & 50–950 ramp

primary

#4F47BB

secondary

#C5C995

accent

#D652CD

background

#F9F7FC

surface

#F1EEF9

border

#CBC9D2

text

#0D0914

muted

#7E7B82

Preview Lab

Preview with #4F47BB

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

Preview Lab → · Contrast checker → · Palette generator →