#3149A3#3149A3

#3149A3 is a dark, vivid blue. Relative luminance 0.081; OKLCH L 44.0% C 0.148 H 268.4°. Best body text is #FFFFFF at 8.04:1 contrast (WCAG AA passes).

Color values

HEX	#3149A3
RGB	rgb(49, 73, 163)
HSL	hsl(227, 54%, 42%)
HSV	hsv(227, 70%, 64%)
CMYK	cmyk(69.9%, 55.2%, 0%, 36.1%)
CIE-LAB	lab(34.11, 22.06, -51.46)
CIE-LCH	lch(34.11, 55.99, 293.20°)
OKLab	oklab(44.02% -0.0041 -0.1481)
OKLCH	oklch(44.02% 0.148 268.4)
XYZ	xyz(10.2578, 8.0614, 35.6586)
Luminance	0.0806 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3149A3 #A38B31

analogous

#3182A3 #3149A3 #5231A3

triadic

#3149A3 #A33149 #49A331

tetradic

#3149A3 #A33182 #A38B31 #31A352

square

#3149A3 #A33182 #A38B31 #31A352

split-complementary

#3149A3 #A35231 #82A331

monochromatic

#151F45 #233474 #3149A3 #4964C8 #788CD6

Accessibility & contrast

On white

8.04

#3149A3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.61

#3149A3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3149A3

8.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3149A3	#FFFFFF	#000000	##FFFFFF
##3149A3	1.00	8.04	2.61	8.04
#FFFFFF	8.04	1.00	21.00	1.00
#000000	2.61	21.00	1.00	21.00
##FFFFFF	8.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056A6

Deuteranopia (green-blind)

#004BA1

Tritanopia (blue-blind)

#005F6F

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #3149a3;
/* rgb */ color: rgb(49, 73, 163);
/* oklch */ color: oklch(44.0% 0.148 268.4);

Tailwind

colors: {
  custom: {
    50: '#777bbf',
    500: '#3149a3',
    950: '#000000',
  },
}

SCSS

$custom: #3149a3;
$custom-light: #777bbf;
$custom-dark: #000000;

JSON

{
  "hex": "#3149a3",
  "rgb": {
    "r": 49,
    "g": 73,
    "b": 163
  },
  "hsl": {
    "h": 227.368,
    "s": 53.774,
    "l": 41.569
  },
  "oklch": {
    "l": 0.44022,
    "c": 0.14812,
    "h": 268.4
  },
  "luminance": 0.08062
}

Semantic roles & 50–950 ramp

primary

#3149A3

secondary

#BFAE71

accent

#BE4BDD

background

#F7F7FB

surface

#EEEDF7

border

#C9C8D0

text

#0A0912

muted

#7C7B81

Preview Lab

Preview with #3149A3

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

Preview Lab → · Contrast checker → · Palette generator →