#3A47AA#3A47AA

#3A47AA is a dark, vivid blue. Relative luminance 0.083; OKLCH L 44.7% C 0.158 H 272.6°. Best body text is #FFFFFF at 7.89:1 contrast (WCAG AA passes).

Color values

HEX	#3A47AA
RGB	rgb(58, 71, 170)
HSL	hsl(233, 49%, 45%)
HSV	hsv(233, 66%, 67%)
CMYK	cmyk(65.9%, 58.2%, 0%, 33.3%)
CIE-LAB	lab(34.61, 27.34, -54.81)
CIE-LCH	lch(34.61, 61.25, 296.51°)
OKLab	oklab(44.7% 0.0072 -0.1577)
OKLCH	oklch(44.7% 0.158 272.6)
XYZ	xyz(11.2514, 8.3073, 39.0329)
Luminance	0.0831 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A47AA #AA9D3A

analogous

#3A7FAA #3A47AA #653AAA

triadic

#3A47AA #AA3A47 #47AA3A

tetradic

#3A47AA #AA3A7F #AA9D3A #3AAA65

square

#3A47AA #AA3A7F #AA9D3A #3AAA65

split-complementary

#3A47AA #AA653A #7FAA3A

monochromatic

#1B214F #2A347C #3A47AA #5A67C7 #8891D6

Accessibility & contrast

On white

7.89

#3A47AA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.66

#3A47AA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A47AA

7.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A47AA	#FFFFFF	#000000	##FFFFFF
##3A47AA	1.00	7.89	2.66	7.89
#FFFFFF	7.89	1.00	21.00	1.00
#000000	2.66	21.00	1.00	21.00
##FFFFFF	7.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057AD

Deuteranopia (green-blind)

#004DA8

Tritanopia (blue-blind)

#005F71

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #3a47aa;
/* rgb */ color: rgb(58, 71, 170);
/* oklch */ color: oklch(44.7% 0.158 272.6);

Tailwind

colors: {
  custom: {
    50: '#7d7ac4',
    500: '#3a47aa',
    950: '#000000',
  },
}

SCSS

$custom: #3a47aa;
$custom-light: #7d7ac4;
$custom-dark: #000000;

JSON

{
  "hex": "#3a47aa",
  "rgb": {
    "r": 58,
    "g": 71,
    "b": 170
  },
  "hsl": {
    "h": 233.036,
    "s": 49.123,
    "l": 44.706
  },
  "oklch": {
    "l": 0.44703,
    "c": 0.15789,
    "h": 272.6
  },
  "luminance": 0.08308
}

Semantic roles & 50–950 ramp

primary

#3A47AA

secondary

#C1B97F

accent

#C94FD9

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #3A47AA

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

Preview Lab → · Contrast checker → · Palette generator →