#3147B2#3147B2

#3147B2 is a dark, vivid blue. Relative luminance 0.084; OKLCH L 44.9% C 0.171 H 269.3°. Best body text is #FFFFFF at 7.85:1 contrast (WCAG AA passes).

Color values

HEX	#3147B2
RGB	rgb(49, 71, 178)
HSL	hsl(230, 57%, 45%)
HSV	hsv(230, 72%, 70%)
CMYK	cmyk(72.5%, 60.1%, 0%, 30.2%)
CIE-LAB	lab(34.75, 28.94, -59.37)
CIE-LCH	lch(34.75, 66.05, 295.99°)
OKLab	oklab(44.87% -0.002 -0.1713)
OKLCH	oklch(44.87% 0.171 269.3)
XYZ	xyz(11.5530, 8.3726, 43.1181)
Luminance	0.0837 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3147B2 #B29C31

analogous

#3188B2 #3147B2 #5B31B2

triadic

#3147B2 #B23147 #47B231

tetradic

#3147B2 #B23188 #B29C31 #31B25B

square

#3147B2 #B23188 #B29C31 #31B25B

split-complementary

#3147B2 #B25B31 #88B231

monochromatic

#172152 #243482 #3147B2 #5167CF #8191DC

Accessibility & contrast

On white

7.85

#3147B2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.67

#3147B2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3147B2

7.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3147B2	#FFFFFF	#000000	##FFFFFF
##3147B2	1.00	7.85	2.67	7.85
#FFFFFF	7.85	1.00	21.00	1.00
#000000	2.67	21.00	1.00	21.00
##FFFFFF	7.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058B6

Deuteranopia (green-blind)

#004CB0

Tritanopia (blue-blind)

#006275

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #3147b2;
/* rgb */ color: rgb(49, 71, 178);
/* oklch */ color: oklch(44.9% 0.171 269.3);

Tailwind

colors: {
  custom: {
    50: '#7b7aca',
    500: '#3147b2',
    950: '#000000',
  },
}

SCSS

$custom: #3147b2;
$custom-light: #7b7aca;
$custom-dark: #000000;

JSON

{
  "hex": "#3147b2",
  "rgb": {
    "r": 49,
    "g": 71,
    "b": 178
  },
  "hsl": {
    "h": 229.767,
    "s": 56.828,
    "l": 44.51
  },
  "oklch": {
    "l": 0.44865,
    "c": 0.17136,
    "h": 269.3
  },
  "luminance": 0.08374
}

Semantic roles & 50–950 ramp

primary

#3147B2

secondary

#C5B879

accent

#C648E0

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #3147B2

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

Preview Lab → · Contrast checker → · Palette generator →