#3159A3#3159A3

#3159A3 is a mid, vivid blue. Relative luminance 0.104; OKLCH L 47.5% C 0.128 H 261.5°. Best body text is #FFFFFF at 6.80:1 contrast (WCAG AA passes).

Color values

HEX	#3159A3
RGB	rgb(49, 89, 163)
HSL	hsl(219, 54%, 42%)
HSV	hsv(219, 70%, 64%)
CMYK	cmyk(69.9%, 45.4%, 0%, 36.1%)
CIE-LAB	lab(38.62, 11.48, -44.19)
CIE-LCH	lch(38.62, 45.66, 284.56°)
OKLab	oklab(47.46% -0.0189 -0.1264)
OKLCH	oklch(47.46% 0.128 261.5)
XYZ	xyz(11.4475, 10.4409, 36.0552)
Luminance	0.1044 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3159A3 #A37B31

analogous

#3192A3 #3159A3 #4231A3

triadic

#3159A3 #A33159 #59A331

tetradic

#3159A3 #A33192 #A37B31 #31A342

square

#3159A3 #A33192 #A37B31 #31A342

split-complementary

#3159A3 #A34231 #92A331

monochromatic

#152645 #233F74 #3159A3 #4976C8 #7899D6

Accessibility & contrast

On white

6.80

#3159A3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.09

#3159A3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3159A3

6.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3159A3	#FFFFFF	#000000	##FFFFFF
##3159A3	1.00	6.80	3.09	6.80
#FFFFFF	6.80	1.00	21.00	1.00
#000000	3.09	21.00	1.00	21.00
##FFFFFF	6.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3461A6

Deuteranopia (green-blind)

#1F56A1

Tritanopia (blue-blind)

#006A76

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #3159a3;
/* rgb */ color: rgb(49, 89, 163);
/* oklch */ color: oklch(47.5% 0.128 261.5);

Tailwind

colors: {
  custom: {
    50: '#7787bf',
    500: '#3159a3',
    950: '#000000',
  },
}

SCSS

$custom: #3159a3;
$custom-light: #7787bf;
$custom-dark: #000000;

JSON

{
  "hex": "#3159a3",
  "rgb": {
    "r": 49,
    "g": 89,
    "b": 163
  },
  "hsl": {
    "h": 218.947,
    "s": 53.774,
    "l": 41.569
  },
  "oklch": {
    "l": 0.47459,
    "c": 0.12781,
    "h": 261.5
  },
  "luminance": 0.10442
}

Semantic roles & 50–950 ramp

primary

#3159A3

secondary

#BFA371

accent

#AA4BDD

background

#F7F8FB

surface

#EEEFF7

border

#C9CAD0

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #3159A3

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

Preview Lab → · Contrast checker → · Palette generator →