#3159AC#3159AC

#3159AC is a mid, vivid blue. Relative luminance 0.108; OKLCH L 48.1% C 0.140 H 262.9°. Best body text is #FFFFFF at 6.66:1 contrast (WCAG AA passes).

Color values

HEX	#3159AC
RGB	rgb(49, 89, 172)
HSL	hsl(220, 56%, 43%)
HSV	hsv(220, 72%, 67%)
CMYK	cmyk(71.5%, 48.3%, 0%, 32.5%)
CIE-LAB	lab(39.20, 14.86, -48.61)
CIE-LCH	lch(39.20, 50.83, 287.00°)
OKLab	oklab(48.09% -0.0174 -0.1394)
OKLCH	oklch(48.09% 0.14 262.9)
XYZ	xyz(12.2828, 10.7750, 40.4542)
Luminance	0.1078 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3159AC #AC8431

analogous

#3196AC #3159AC #4631AC

triadic

#3159AC #AC3159 #59AC31

tetradic

#3159AC #AC3196 #AC8431 #31AC46

square

#3159AC #AC3196 #AC8431 #31AC46

split-complementary

#3159AC #AC4631 #96AC31

monochromatic

#16284D #23407C #3159AC #4E77CC #7D9BDA

Accessibility & contrast

On white

6.66

#3159AC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.16

#3159AC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3159AC

6.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3159AC	#FFFFFF	#000000	##FFFFFF
##3159AC	1.00	6.66	3.16	6.66
#FFFFFF	6.66	1.00	21.00	1.00
#000000	3.16	21.00	1.00	21.00
##FFFFFF	6.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C62AF

Deuteranopia (green-blind)

#0B57AA

Tritanopia (blue-blind)

#006D7A

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #3159ac;
/* rgb */ color: rgb(49, 89, 172);
/* oklch */ color: oklch(48.1% 0.140 262.9);

Tailwind

colors: {
  custom: {
    50: '#7987c5',
    500: '#3159ac',
    950: '#000000',
  },
}

SCSS

$custom: #3159ac;
$custom-light: #7987c5;
$custom-dark: #000000;

JSON

{
  "hex": "#3159ac",
  "rgb": {
    "r": 49,
    "g": 89,
    "b": 172
  },
  "hsl": {
    "h": 220.488,
    "s": 55.656,
    "l": 43.333
  },
  "oklch": {
    "l": 0.48087,
    "c": 0.14049,
    "h": 262.9
  },
  "luminance": 0.10776
}

Semantic roles & 50–950 ramp

primary

#3159AC

secondary

#C3AA76

accent

#AE49DF

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #3159AC

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

Preview Lab → · Contrast checker → · Palette generator →