#3159A5#3159A5

#3159A5 is a mid, vivid blue. Relative luminance 0.105; OKLCH L 47.6% C 0.131 H 261.8°. Best body text is #FFFFFF at 6.77:1 contrast (WCAG AA passes).

Color values

HEX	#3159A5
RGB	rgb(49, 89, 165)
HSL	hsl(219, 54%, 42%)
HSV	hsv(219, 70%, 65%)
CMYK	cmyk(70.3%, 46.1%, 0%, 35.3%)
CIE-LAB	lab(38.75, 12.23, -45.18)
CIE-LCH	lch(38.75, 46.81, 285.15°)
OKLab	oklab(47.6% -0.0185 -0.1293)
OKLCH	oklch(47.6% 0.131 261.8)
XYZ	xyz(11.6281, 10.5131, 37.0064)
Luminance	0.1051 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3159A5 #A57D31

analogous

#3193A5 #3159A5 #4331A5

triadic

#3159A5 #A53159 #59A531

tetradic

#3159A5 #A53193 #A57D31 #31A543

square

#3159A5 #A53193 #A57D31 #31A543

split-complementary

#3159A5 #A54331 #93A531

monochromatic

#152647 #234076 #3159A5 #4A76C9 #799AD7

Accessibility & contrast

On white

6.77

#3159A5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.10

#3159A5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3159A5

6.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3159A5	#FFFFFF	#000000	##FFFFFF
##3159A5	1.00	6.77	3.10	6.77
#FFFFFF	6.77	1.00	21.00	1.00
#000000	3.10	21.00	1.00	21.00
##FFFFFF	6.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3361A8

Deuteranopia (green-blind)

#1C56A3

Tritanopia (blue-blind)

#006B77

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #3159a5;
/* rgb */ color: rgb(49, 89, 165);
/* oklch */ color: oklch(47.6% 0.131 261.8);

Tailwind

colors: {
  custom: {
    50: '#7787c0',
    500: '#3159a5',
    950: '#000000',
  },
}

SCSS

$custom: #3159a5;
$custom-light: #7787c0;
$custom-dark: #000000;

JSON

{
  "hex": "#3159a5",
  "rgb": {
    "r": 49,
    "g": 89,
    "b": 165
  },
  "hsl": {
    "h": 219.31,
    "s": 54.206,
    "l": 41.961
  },
  "oklch": {
    "l": 0.47597,
    "c": 0.13064,
    "h": 261.8
  },
  "luminance": 0.10514
}

Semantic roles & 50–950 ramp

primary

#3159A5

secondary

#C0A572

accent

#AB4ADE

background

#F7F8FB

surface

#EEEFF7

border

#C9CAD0

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #3159A5

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

Preview Lab → · Contrast checker → · Palette generator →