#3A47AC#3A47AC

#3A47AC is a dark, vivid blue. Relative luminance 0.084; OKLCH L 44.9% C 0.161 H 272.6°. Best body text is #FFFFFF at 7.84:1 contrast (WCAG AA passes).

Color values

HEX	#3A47AC
RGB	rgb(58, 71, 172)
HSL	hsl(233, 50%, 45%)
HSV	hsv(233, 66%, 67%)
CMYK	cmyk(66.3%, 58.7%, 0%, 32.5%)
CIE-LAB	lab(34.77, 28.05, -55.75)
CIE-LCH	lch(34.77, 62.41, 296.71°)
OKLab	oklab(44.87% 0.0073 -0.1605)
OKLCH	oklch(44.87% 0.161 272.6)
XYZ	xyz(11.4421, 8.3836, 40.0369)
Luminance	0.0838 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A47AC #AC9F3A

analogous

#3A80AC #3A47AC #663AAC

triadic

#3A47AC #AC3A47 #47AC3A

tetradic

#3A47AC #AC3A80 #AC9F3A #3AAC66

square

#3A47AC #AC3A80 #AC9F3A #3AAC66

split-complementary

#3A47AC #AC663A #80AC3A

monochromatic

#1B2150 #2B347E #3A47AC #5B68C8 #8992D7

Accessibility & contrast

On white

7.84

#3A47AC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.68

#3A47AC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A47AC

7.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A47AC	#FFFFFF	#000000	##FFFFFF
##3A47AC	1.00	7.84	2.68	7.84
#FFFFFF	7.84	1.00	21.00	1.00
#000000	2.68	21.00	1.00	21.00
##FFFFFF	7.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057AF

Deuteranopia (green-blind)

#004DAA

Tritanopia (blue-blind)

#006072

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #3a47ac;
/* rgb */ color: rgb(58, 71, 172);
/* oklch */ color: oklch(44.9% 0.161 272.6);

Tailwind

colors: {
  custom: {
    50: '#7d7ac5',
    500: '#3a47ac',
    950: '#000000',
  },
}

SCSS

$custom: #3a47ac;
$custom-light: #7d7ac5;
$custom-dark: #000000;

JSON

{
  "hex": "#3a47ac",
  "rgb": {
    "r": 58,
    "g": 71,
    "b": 172
  },
  "hsl": {
    "h": 233.158,
    "s": 49.565,
    "l": 45.098
  },
  "oklch": {
    "l": 0.44866,
    "c": 0.16065,
    "h": 272.6
  },
  "luminance": 0.08385
}

Semantic roles & 50–950 ramp

primary

#3A47AC

secondary

#C2BA80

accent

#C94FD9

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #3A47AC

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

Preview Lab → · Contrast checker → · Palette generator →