#3159A8#3159A8

#3159A8 is a mid, vivid blue. Relative luminance 0.106; OKLCH L 47.8% C 0.135 H 262.3°. Best body text is #FFFFFF at 6.72:1 contrast (WCAG AA passes).

Color values

HEX	#3159A8
RGB	rgb(49, 89, 168)
HSL	hsl(220, 55%, 43%)
HSV	hsv(220, 71%, 66%)
CMYK	cmyk(70.8%, 47%, 0%, 34.1%)
CIE-LAB	lab(38.94, 13.36, -46.66)
CIE-LCH	lch(38.94, 48.53, 285.98°)
OKLab	oklab(47.81% -0.018 -0.1337)
OKLCH	oklch(47.81% 0.135 262.3)
XYZ	xyz(11.9044, 10.6236, 38.4614)
Luminance	0.1062 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3159A8 #A88031

analogous

#3195A8 #3159A8 #4431A8

triadic

#3159A8 #A83159 #59A831

tetradic

#3159A8 #A83195 #A88031 #31A844

square

#3159A8 #A83195 #A88031 #31A844

split-complementary

#3159A8 #A84431 #95A831

monochromatic

#152749 #234079 #3159A8 #4C76CB #7B9AD8

Accessibility & contrast

On white

6.72

#3159A8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.13

#3159A8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3159A8

6.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3159A8	#FFFFFF	#000000	##FFFFFF
##3159A8	1.00	6.72	3.13	6.72
#FFFFFF	6.72	1.00	21.00	1.00
#000000	3.13	21.00	1.00	21.00
##FFFFFF	6.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3062AB

Deuteranopia (green-blind)

#1657A6

Tritanopia (blue-blind)

#006B78

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #3159a8;
/* rgb */ color: rgb(49, 89, 168);
/* oklch */ color: oklch(47.8% 0.135 262.3);

Tailwind

colors: {
  custom: {
    50: '#7887c2',
    500: '#3159a8',
    950: '#000000',
  },
}

SCSS

$custom: #3159a8;
$custom-light: #7887c2;
$custom-dark: #000000;

JSON

{
  "hex": "#3159a8",
  "rgb": {
    "r": 49,
    "g": 89,
    "b": 168
  },
  "hsl": {
    "h": 219.832,
    "s": 54.839,
    "l": 42.549
  },
  "oklch": {
    "l": 0.47805,
    "c": 0.13488,
    "h": 262.3
  },
  "luminance": 0.10625
}

Semantic roles & 50–950 ramp

primary

#3159A8

secondary

#C1A774

accent

#AC4ADE

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #3159A8

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

Preview Lab → · Contrast checker → · Palette generator →