#3159A1#3159A1

#3159A1 is a mid, vivid blue. Relative luminance 0.104; OKLCH L 47.3% C 0.125 H 261.1°. Best body text is #FFFFFF at 6.83:1 contrast (WCAG AA passes).

Color values

HEX	#3159A1
RGB	rgb(49, 89, 161)
HSL	hsl(219, 53%, 41%)
HSV	hsv(219, 70%, 63%)
CMYK	cmyk(69.6%, 44.7%, 0%, 36.9%)
CIE-LAB	lab(38.50, 10.73, -43.20)
CIE-LCH	lch(38.50, 44.51, 283.95°)
OKLab	oklab(47.32% -0.0193 -0.1235)
OKLCH	oklch(47.32% 0.125 261.1)
XYZ	xyz(11.2697, 10.3698, 35.1189)
Luminance	0.1037 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3159A1 #A17931

analogous

#3191A1 #3159A1 #4131A1

triadic

#3159A1 #A13159 #59A131

tetradic

#3159A1 #A13191 #A17931 #31A141

square

#3159A1 #A13191 #A17931 #31A141

split-complementary

#3159A1 #A14131 #91A131

monochromatic

#142543 #233F72 #3159A1 #4875C7 #7799D6

Accessibility & contrast

On white

6.83

#3159A1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.07

#3159A1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3159A1

6.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3159A1	#FFFFFF	#000000	##FFFFFF
##3159A1	1.00	6.83	3.07	6.83
#FFFFFF	6.83	1.00	21.00	1.00
#000000	3.07	21.00	1.00	21.00
##FFFFFF	6.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3660A4

Deuteranopia (green-blind)

#2256A0

Tritanopia (blue-blind)

#006A75

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #3159a1;
/* rgb */ color: rgb(49, 89, 161);
/* oklch */ color: oklch(47.3% 0.125 261.1);

Tailwind

colors: {
  custom: {
    50: '#7687bd',
    500: '#3159a1',
    950: '#000000',
  },
}

SCSS

$custom: #3159a1;
$custom-light: #7687bd;
$custom-dark: #000000;

JSON

{
  "hex": "#3159a1",
  "rgb": {
    "r": 49,
    "g": 89,
    "b": 161
  },
  "hsl": {
    "h": 218.571,
    "s": 53.333,
    "l": 41.176
  },
  "oklch": {
    "l": 0.47323,
    "c": 0.12498,
    "h": 261.1
  },
  "luminance": 0.10371
}

Semantic roles & 50–950 ramp

primary

#3159A1

secondary

#BEA270

accent

#A94BDD

background

#F7F8FB

surface

#EEEFF6

border

#C9CAD0

text

#090B12

muted

#7B7C81

Preview Lab

Preview with #3159A1

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

Preview Lab → · Contrast checker → · Palette generator →