#3147AF#3147AF

#3147AF is a dark, vivid blue. Relative luminance 0.083; OKLCH L 44.6% C 0.167 H 269.3°. Best body text is #FFFFFF at 7.92:1 contrast (WCAG AA passes).

Color values

HEX	#3147AF
RGB	rgb(49, 71, 175)
HSL	hsl(230, 56%, 44%)
HSV	hsv(230, 72%, 69%)
CMYK	cmyk(72%, 59.4%, 0%, 31.4%)
CIE-LAB	lab(34.51, 27.84, -57.99)
CIE-LCH	lch(34.51, 64.32, 295.64°)
OKLab	oklab(44.61% -0.002 -0.1673)
OKLCH	oklch(44.61% 0.167 269.3)
XYZ	xyz(11.2551, 8.2534, 41.5490)
Luminance	0.0825 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3147AF #AF9931

analogous

#3186AF #3147AF #5A31AF

triadic

#3147AF #AF3147 #47AF31

tetradic

#3147AF #AF3186 #AF9931 #31AF5A

square

#3147AF #AF3186 #AF9931 #31AF5A

split-complementary

#3147AF #AF5A31 #86AF31

monochromatic

#16204F #24347F #3147AF #4F65CE #7F8FDB

Accessibility & contrast

On white

7.92

#3147AF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.65

#3147AF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3147AF

7.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3147AF	#FFFFFF	#000000	##FFFFFF
##3147AF	1.00	7.92	2.65	7.92
#FFFFFF	7.92	1.00	21.00	1.00
#000000	2.65	21.00	1.00	21.00
##FFFFFF	7.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057B2

Deuteranopia (green-blind)

#004BAD

Tritanopia (blue-blind)

#006174

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #3147af;
/* rgb */ color: rgb(49, 71, 175);
/* oklch */ color: oklch(44.6% 0.167 269.3);

Tailwind

colors: {
  custom: {
    50: '#7a7ac8',
    500: '#3147af',
    950: '#000000',
  },
}

SCSS

$custom: #3147af;
$custom-light: #7a7ac8;
$custom-dark: #000000;

JSON

{
  "hex": "#3147af",
  "rgb": {
    "r": 49,
    "g": 71,
    "b": 175
  },
  "hsl": {
    "h": 229.524,
    "s": 56.25,
    "l": 43.922
  },
  "oklch": {
    "l": 0.44609,
    "c": 0.16729,
    "h": 269.3
  },
  "luminance": 0.08255
}

Semantic roles & 50–950 ramp

primary

#3147AF

secondary

#C4B778

accent

#C548E0

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #3147AF

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

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