#3A47B3#3A47B3

#3A47B3 is a mid, vivid blue. Relative luminance 0.087; OKLCH L 45.4% C 0.170 H 272.4°. Best body text is #FFFFFF at 7.69:1 contrast (WCAG AA passes).

Color values

HEX	#3A47B3
RGB	rgb(58, 71, 179)
HSL	hsl(234, 51%, 46%)
HSV	hsv(234, 68%, 70%)
CMYK	cmyk(67.6%, 60.3%, 0%, 29.8%)
CIE-LAB	lab(35.32, 30.54, -59.01)
CIE-LCH	lch(35.32, 66.45, 297.36°)
OKLab	oklab(45.45% 0.0072 -0.1701)
OKLCH	oklch(45.45% 0.17 272.4)
XYZ	xyz(12.1321, 8.6596, 43.6712)
Luminance	0.0866 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A47B3 #B3A63A

analogous

#3A84B3 #3A47B3 #6A3AB3

triadic

#3A47B3 #B33A47 #47B33A

tetradic

#3A47B3 #B33A84 #B3A63A #3AB36A

square

#3A47B3 #B33A84 #B3A63A #3AB36A

split-complementary

#3A47B3 #B36A3A #84B33A

monochromatic

#1C2257 #2B3585 #3A47B3 #5F6BCB #8D96DA

Accessibility & contrast

On white

7.69

#3A47B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.73

#3A47B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A47B3

7.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A47B3	#FFFFFF	#000000	##FFFFFF
##3A47B3	1.00	7.69	2.73	7.69
#FFFFFF	7.69	1.00	21.00	1.00
#000000	2.73	21.00	1.00	21.00
##FFFFFF	7.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059B7

Deuteranopia (green-blind)

#004EB1

Tritanopia (blue-blind)

#006276

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #3a47b3;
/* rgb */ color: rgb(58, 71, 179);
/* oklch */ color: oklch(45.4% 0.170 272.4);

Tailwind

colors: {
  custom: {
    50: '#7f7acb',
    500: '#3a47b3',
    950: '#000000',
  },
}

SCSS

$custom: #3a47b3;
$custom-light: #7f7acb;
$custom-dark: #000000;

JSON

{
  "hex": "#3a47b3",
  "rgb": {
    "r": 58,
    "g": 71,
    "b": 179
  },
  "hsl": {
    "h": 233.554,
    "s": 51.055,
    "l": 46.471
  },
  "oklch": {
    "l": 0.45448,
    "c": 0.17022,
    "h": 272.4
  },
  "luminance": 0.08661
}

Semantic roles & 50–950 ramp

primary

#3A47B3

secondary

#C5BE84

accent

#CB4DDB

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #3A47B3

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

Preview Lab → · Contrast checker → · Palette generator →