#3159A4#3159A4

#3159A4 is a mid, vivid blue. Relative luminance 0.105; OKLCH L 47.5% C 0.129 H 261.7°. Best body text is #FFFFFF at 6.78:1 contrast (WCAG AA passes).

Color values

HEX	#3159A4
RGB	rgb(49, 89, 164)
HSL	hsl(219, 54%, 42%)
HSV	hsv(219, 70%, 64%)
CMYK	cmyk(70.1%, 45.7%, 0%, 35.7%)
CIE-LAB	lab(38.69, 11.86, -44.69)
CIE-LCH	lch(38.69, 46.23, 284.86°)
OKLab	oklab(47.53% -0.0187 -0.1279)
OKLCH	oklch(47.53% 0.129 261.7)
XYZ	xyz(11.5375, 10.4769, 36.5290)
Luminance	0.1048 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3159A4 #A47C31

analogous

#3193A4 #3159A4 #4231A4

triadic

#3159A4 #A43159 #59A431

tetradic

#3159A4 #A43193 #A47C31 #31A442

square

#3159A4 #A43193 #A47C31 #31A442

split-complementary

#3159A4 #A44231 #93A431

monochromatic

#152646 #233F75 #3159A4 #4976C9 #7999D7

Accessibility & contrast

On white

6.78

#3159A4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.10

#3159A4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3159A4

6.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3159A4	#FFFFFF	#000000	##FFFFFF
##3159A4	1.00	6.78	3.10	6.78
#FFFFFF	6.78	1.00	21.00	1.00
#000000	3.10	21.00	1.00	21.00
##FFFFFF	6.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3461A7

Deuteranopia (green-blind)

#1D56A2

Tritanopia (blue-blind)

#006A76

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #3159a4;
/* rgb */ color: rgb(49, 89, 164);
/* oklch */ color: oklch(47.5% 0.129 261.7);

Tailwind

colors: {
  custom: {
    50: '#7787bf',
    500: '#3159a4',
    950: '#000000',
  },
}

SCSS

$custom: #3159a4;
$custom-light: #7787bf;
$custom-dark: #000000;

JSON

{
  "hex": "#3159a4",
  "rgb": {
    "r": 49,
    "g": 89,
    "b": 164
  },
  "hsl": {
    "h": 219.13,
    "s": 53.991,
    "l": 41.765
  },
  "oklch": {
    "l": 0.47528,
    "c": 0.12923,
    "h": 261.7
  },
  "luminance": 0.10478
}

Semantic roles & 50–950 ramp

primary

#3159A4

secondary

#BFA472

accent

#AA4ADD

background

#F7F8FB

surface

#EEEFF7

border

#C9CAD0

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #3159A4

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

Preview Lab → · Contrast checker → · Palette generator →