#3159A9#3159A9

#3159A9 is a mid, vivid blue. Relative luminance 0.107; OKLCH L 47.9% C 0.136 H 262.5°. Best body text is #FFFFFF at 6.70:1 contrast (WCAG AA passes).

Color values

HEX	#3159A9
RGB	rgb(49, 89, 169)
HSL	hsl(220, 55%, 43%)
HSV	hsv(220, 71%, 66%)
CMYK	cmyk(71%, 47.3%, 0%, 33.7%)
CIE-LAB	lab(39.00, 13.73, -47.15)
CIE-LCH	lch(39.00, 49.11, 286.24°)
OKLab	oklab(47.88% -0.0179 -0.1351)
OKLCH	oklch(47.88% 0.136 262.5)
XYZ	xyz(11.9979, 10.6611, 38.9539)
Luminance	0.1066 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3159A9 #A98131

analogous

#3195A9 #3159A9 #4531A9

triadic

#3159A9 #A93159 #59A931

tetradic

#3159A9 #A93195 #A98131 #31A945

square

#3159A9 #A93195 #A98131 #31A945

split-complementary

#3159A9 #A94531 #95A931

monochromatic

#15274A #23407A #3159A9 #4C76CB #7C9BD9

Accessibility & contrast

On white

6.70

#3159A9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.13

#3159A9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3159A9

6.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3159A9	#FFFFFF	#000000	##FFFFFF
##3159A9	1.00	6.70	3.13	6.70
#FFFFFF	6.70	1.00	21.00	1.00
#000000	3.13	21.00	1.00	21.00
##FFFFFF	6.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F62AC

Deuteranopia (green-blind)

#1457A7

Tritanopia (blue-blind)

#006C79

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #3159a9;
/* rgb */ color: rgb(49, 89, 169);
/* oklch */ color: oklch(47.9% 0.136 262.5);

Tailwind

colors: {
  custom: {
    50: '#7887c3',
    500: '#3159a9',
    950: '#000000',
  },
}

SCSS

$custom: #3159a9;
$custom-light: #7887c3;
$custom-dark: #000000;

JSON

{
  "hex": "#3159a9",
  "rgb": {
    "r": 49,
    "g": 89,
    "b": 169
  },
  "hsl": {
    "h": 220,
    "s": 55.046,
    "l": 42.745
  },
  "oklch": {
    "l": 0.47875,
    "c": 0.13629,
    "h": 262.5
  },
  "luminance": 0.10662
}

Semantic roles & 50–950 ramp

primary

#3159A9

secondary

#C1A874

accent

#AD49DE

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #3159A9

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

Preview Lab → · Contrast checker → · Palette generator →