#3148B0#3148B0

#3148B0 is a dark, vivid blue. Relative luminance 0.084; OKLCH L 44.9% C 0.167 H 269.0°. Best body text is #FFFFFF at 7.82:1 contrast (WCAG AA passes).

Color values

HEX	#3148B0
RGB	rgb(49, 72, 176)
HSL	hsl(229, 56%, 44%)
HSV	hsv(229, 72%, 69%)
CMYK	cmyk(72.2%, 59.1%, 0%, 31%)
CIE-LAB	lab(34.84, 27.55, -58.03)
CIE-LCH	lch(34.84, 64.24, 295.40°)
OKLab	oklab(44.89% -0.0028 -0.1674)
OKLCH	oklch(44.89% 0.167 269)
XYZ	xyz(11.4178, 8.4211, 42.0896)
Luminance	0.0842 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3148B0 #B09931

analogous

#3188B0 #3148B0 #5A31B0

triadic

#3148B0 #B03148 #48B031

tetradic

#3148B0 #B03188 #B09931 #31B05A

square

#3148B0 #B03188 #B09931 #31B05A

split-complementary

#3148B0 #B05A31 #88B031

monochromatic

#162150 #243480 #3148B0 #5067CE #8090DC

Accessibility & contrast

On white

7.82

#3148B0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.68

#3148B0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3148B0

7.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3148B0	#FFFFFF	#000000	##FFFFFF
##3148B0	1.00	7.82	2.68	7.82
#FFFFFF	7.82	1.00	21.00	1.00
#000000	2.68	21.00	1.00	21.00
##FFFFFF	7.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058B3

Deuteranopia (green-blind)

#004CAE

Tritanopia (blue-blind)

#006275

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #3148b0;
/* rgb */ color: rgb(49, 72, 176);
/* oklch */ color: oklch(44.9% 0.167 269.0);

Tailwind

colors: {
  custom: {
    50: '#7a7ac8',
    500: '#3148b0',
    950: '#000000',
  },
}

SCSS

$custom: #3148b0;
$custom-light: #7a7ac8;
$custom-dark: #000000;

JSON

{
  "hex": "#3148b0",
  "rgb": {
    "r": 49,
    "g": 72,
    "b": 176
  },
  "hsl": {
    "h": 229.134,
    "s": 56.444,
    "l": 44.118
  },
  "oklch": {
    "l": 0.44888,
    "c": 0.1674,
    "h": 269
  },
  "luminance": 0.08422
}

Semantic roles & 50–950 ramp

primary

#3148B0

secondary

#C5B778

accent

#C448E0

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #3148B0

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

Preview Lab → · Contrast checker → · Palette generator →