#3A47AD#3A47AD

#3A47AD is a dark, vivid blue. Relative luminance 0.084; OKLCH L 44.9% C 0.162 H 272.6°. Best body text is #FFFFFF at 7.82:1 contrast (WCAG AA passes).

Color values

HEX	#3A47AD
RGB	rgb(58, 71, 173)
HSL	hsl(233, 50%, 45%)
HSV	hsv(233, 66%, 68%)
CMYK	cmyk(66.5%, 59%, 0%, 32.2%)
CIE-LAB	lab(34.85, 28.41, -56.22)
CIE-LCH	lch(34.85, 62.99, 296.81°)
OKLab	oklab(44.95% 0.0073 -0.1619)
OKLCH	oklch(44.95% 0.162 272.6)
XYZ	xyz(11.5385, 8.4221, 40.5446)
Luminance	0.0842 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A47AD #ADA03A

analogous

#3A81AD #3A47AD #663AAD

triadic

#3A47AD #AD3A47 #47AD3A

tetradic

#3A47AD #AD3A81 #ADA03A #3AAD66

square

#3A47AD #AD3A81 #ADA03A #3AAD66

split-complementary

#3A47AD #AD663A #81AD3A

monochromatic

#1B2151 #2B347F #3A47AD #5C68C8 #8A93D8

Accessibility & contrast

On white

7.82

#3A47AD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.68

#3A47AD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A47AD

7.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A47AD	#FFFFFF	#000000	##FFFFFF
##3A47AD	1.00	7.82	2.68	7.82
#FFFFFF	7.82	1.00	21.00	1.00
#000000	2.68	21.00	1.00	21.00
##FFFFFF	7.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057B0

Deuteranopia (green-blind)

#004DAB

Tritanopia (blue-blind)

#006073

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #3a47ad;
/* rgb */ color: rgb(58, 71, 173);
/* oklch */ color: oklch(44.9% 0.162 272.6);

Tailwind

colors: {
  custom: {
    50: '#7e7ac6',
    500: '#3a47ad',
    950: '#000000',
  },
}

SCSS

$custom: #3a47ad;
$custom-light: #7e7ac6;
$custom-dark: #000000;

JSON

{
  "hex": "#3a47ad",
  "rgb": {
    "r": 58,
    "g": 71,
    "b": 173
  },
  "hsl": {
    "h": 233.217,
    "s": 49.784,
    "l": 45.294
  },
  "oklch": {
    "l": 0.44948,
    "c": 0.16203,
    "h": 272.6
  },
  "luminance": 0.08423
}

Semantic roles & 50–950 ramp

primary

#3A47AD

secondary

#C2BB81

accent

#CA4ED9

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #3A47AD

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

Preview Lab → · Contrast checker → · Palette generator →