#3147B0#3147B0

#3147B0 is a dark, vivid blue. Relative luminance 0.083; OKLCH L 44.7% C 0.169 H 269.3°. Best body text is #FFFFFF at 7.90:1 contrast (WCAG AA passes).

Color values

HEX	#3147B0
RGB	rgb(49, 71, 176)
HSL	hsl(230, 56%, 44%)
HSV	hsv(230, 72%, 69%)
CMYK	cmyk(72.2%, 59.7%, 0%, 31%)
CIE-LAB	lab(34.59, 28.20, -58.45)
CIE-LCH	lch(34.59, 64.90, 295.76°)
OKLab	oklab(44.69% -0.002 -0.1686)
OKLCH	oklch(44.69% 0.169 269.3)
XYZ	xyz(11.3536, 8.2929, 42.0682)
Luminance	0.0829 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3147B0 #B09A31

analogous

#3187B0 #3147B0 #5B31B0

triadic

#3147B0 #B03147 #47B031

tetradic

#3147B0 #B03187 #B09A31 #31B05B

square

#3147B0 #B03187 #B09A31 #31B05B

split-complementary

#3147B0 #B05B31 #87B031

monochromatic

#162050 #243480 #3147B0 #5066CE #8090DC

Accessibility & contrast

On white

7.90

#3147B0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.66

#3147B0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3147B0

7.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3147B0	#FFFFFF	#000000	##FFFFFF
##3147B0	1.00	7.90	2.66	7.90
#FFFFFF	7.90	1.00	21.00	1.00
#000000	2.66	21.00	1.00	21.00
##FFFFFF	7.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057B3

Deuteranopia (green-blind)

#004CAE

Tritanopia (blue-blind)

#006174

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #3147b0;
/* rgb */ color: rgb(49, 71, 176);
/* oklch */ color: oklch(44.7% 0.169 269.3);

Tailwind

colors: {
  custom: {
    50: '#7b7ac8',
    500: '#3147b0',
    950: '#000000',
  },
}

SCSS

$custom: #3147b0;
$custom-light: #7b7ac8;
$custom-dark: #000000;

JSON

{
  "hex": "#3147b0",
  "rgb": {
    "r": 49,
    "g": 71,
    "b": 176
  },
  "hsl": {
    "h": 229.606,
    "s": 56.444,
    "l": 44.118
  },
  "oklch": {
    "l": 0.44694,
    "c": 0.16865,
    "h": 269.3
  },
  "luminance": 0.08294
}

Semantic roles & 50–950 ramp

primary

#3147B0

secondary

#C5B778

accent

#C548E0

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #3147B0

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

Preview Lab → · Contrast checker → · Palette generator →