#47439B#47439B

#47439B is a dark, vivid blue. Relative luminance 0.077; OKLCH L 43.7% C 0.139 H 281.0°. Best body text is #FFFFFF at 8.25:1 contrast (WCAG AA passes).

Color values

HEX	#47439B
RGB	rgb(71, 67, 155)
HSL	hsl(243, 40%, 44%)
HSV	hsv(243, 57%, 61%)
CMYK	cmyk(54.2%, 56.8%, 0%, 39.2%)
CIE-LAB	lab(33.39, 27.17, -47.73)
CIE-LCH	lch(33.39, 54.92, 299.65°)
OKLab	oklab(43.68% 0.0265 -0.1366)
OKLCH	oklch(43.68% 0.139 281)
XYZ	xyz(10.5203, 7.7198, 31.9397)
Luminance	0.0772 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 7.12

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#47439B #979B43

analogous

#436B9B #47439B #73439B

triadic

#47439B #9B4743 #439B47

tetradic

#47439B #9B436B #979B43 #439B73

square

#47439B #9B436B #979B43 #439B73

split-complementary

#47439B #9B7343 #6B9B43

monochromatic

#201E46 #333170 #47439B #6561BB #8E8BCD

Accessibility & contrast

On white

8.25

#47439B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.54

#47439B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #47439B

8.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##47439B	#FFFFFF	#000000	##FFFFFF
##47439B	1.00	8.25	2.54	8.25
#FFFFFF	8.25	1.00	21.00	1.00
#000000	2.54	21.00	1.00	21.00
##FFFFFF	8.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#05529E

Deuteranopia (green-blind)

#004B99

Tritanopia (blue-blind)

#225768

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #47439b;
/* rgb */ color: rgb(71, 67, 155);
/* oklch */ color: oklch(43.7% 0.139 281.0);

Tailwind

colors: {
  custom: {
    50: '#8177b9',
    500: '#47439b',
    950: '#000000',
  },
}

SCSS

$custom: #47439b;
$custom-light: #8177b9;
$custom-dark: #000000;

JSON

{
  "hex": "#47439b",
  "rgb": {
    "r": 71,
    "g": 67,
    "b": 155
  },
  "hsl": {
    "h": 242.727,
    "s": 39.64,
    "l": 43.529
  },
  "oklch": {
    "l": 0.43678,
    "c": 0.13913,
    "h": 281
  },
  "luminance": 0.0772
}

Semantic roles & 50–950 ramp

primary

#47439B

secondary

#B6B882

accent

#D058CA

background

#F8F7FB

surface

#EFEDF6

border

#CAC8D0

text

#0B0811

muted

#7C7B80

Preview Lab

Preview with #47439B

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

Preview Lab → · Contrast checker → · Palette generator →