#4C47BC#4C47BC

#4C47BC is a mid, vivid blue. Relative luminance 0.097; OKLCH L 47.4% C 0.178 H 279.1°. Best body text is #FFFFFF at 7.16:1 contrast (WCAG AA passes).

Color values

HEX	#4C47BC
RGB	rgb(76, 71, 188)
HSL	hsl(243, 47%, 51%)
HSV	hsv(243, 62%, 74%)
CMYK	cmyk(59.6%, 62.2%, 0%, 26.3%)
CIE-LAB	lab(37.25, 36.46, -61.12)
CIE-LCH	lch(37.25, 71.17, 300.82°)
OKLab	oklab(47.41% 0.028 -0.1758)
OKLCH	oklch(47.41% 0.178 279.1)
XYZ	xyz(14.3079, 9.6728, 48.6803)
Luminance	0.0967 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 1.87

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C47BC #B7BC47

analogous

#477CBC #4C47BC #8647BC

triadic

#4C47BC #BC4C47 #47BC4C

tetradic

#4C47BC #BC477C #B7BC47 #47BC86

square

#4C47BC #BC477C #B7BC47 #47BC86

split-complementary

#4C47BC #BC8647 #7CBC47

monochromatic

#272464 #393591 #4C47BC #7874CC #A3A1DD

Accessibility & contrast

On white

7.16

#4C47BC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.93

#4C47BC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4C47BC

7.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C47BC	#FFFFFF	#000000	##FFFFFF
##4C47BC	1.00	7.16	2.93	7.16
#FFFFFF	7.16	1.00	21.00	1.00
#000000	2.93	21.00	1.00	21.00
##FFFFFF	7.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CC0

Deuteranopia (green-blind)

#0053BA

Tritanopia (blue-blind)

#00647B

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #4c47bc;
/* rgb */ color: rgb(76, 71, 188);
/* oklch */ color: oklch(47.4% 0.178 279.1);

Tailwind

colors: {
  custom: {
    50: '#897ad1',
    500: '#4c47bc',
    950: '#000000',
  },
}

SCSS

$custom: #4c47bc;
$custom-light: #897ad1;
$custom-dark: #000000;

JSON

{
  "hex": "#4c47bc",
  "rgb": {
    "r": 76,
    "g": 71,
    "b": 188
  },
  "hsl": {
    "h": 242.564,
    "s": 46.614,
    "l": 50.784
  },
  "oklch": {
    "l": 0.47407,
    "c": 0.17801,
    "h": 279.1
  },
  "luminance": 0.09674
}

Semantic roles & 50–950 ramp

primary

#4C47BC

secondary

#C7C995

accent

#D652D1

background

#F9F7FC

surface

#F1EDF9

border

#CBC8D2

text

#0D0914

muted

#7E7B82

Preview Lab

Preview with #4C47BC

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

Preview Lab → · Contrast checker → · Palette generator →