#3159B0#3159B0

#3159B0 is a mid, vivid blue. Relative luminance 0.109; OKLCH L 48.4% C 0.146 H 263.4°. Best body text is #FFFFFF at 6.59:1 contrast (WCAG AA passes).

Color values

HEX	#3159B0
RGB	rgb(49, 89, 176)
HSL	hsl(221, 56%, 44%)
HSV	hsv(221, 72%, 69%)
CMYK	cmyk(72.2%, 49.4%, 0%, 31%)
CIE-LAB	lab(39.46, 16.37, -50.55)
CIE-LCH	lch(39.46, 53.13, 287.94°)
OKLab	oklab(48.38% -0.0168 -0.1451)
OKLCH	oklch(48.38% 0.146 263.4)
XYZ	xyz(12.6727, 10.9310, 42.5079)
Luminance	0.1093 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3159B0 #B08831

analogous

#3199B0 #3159B0 #4931B0

triadic

#3159B0 #B03159 #59B031

tetradic

#3159B0 #B03199 #B08831 #31B049

square

#3159B0 #B03199 #B08831 #31B049

split-complementary

#3159B0 #B04931 #99B031

monochromatic

#162950 #244180 #3159B0 #5078CE #809DDC

Accessibility & contrast

On white

6.59

#3159B0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.19

#3159B0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3159B0

6.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3159B0	#FFFFFF	#000000	##FFFFFF
##3159B0	1.00	6.59	3.19	6.59
#FFFFFF	6.59	1.00	21.00	1.00
#000000	3.19	21.00	1.00	21.00
##FFFFFF	6.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2863B3

Deuteranopia (green-blind)

#0057AE

Tritanopia (blue-blind)

#006E7C

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #3159b0;
/* rgb */ color: rgb(49, 89, 176);
/* oklch */ color: oklch(48.4% 0.146 263.4);

Tailwind

colors: {
  custom: {
    50: '#7987c8',
    500: '#3159b0',
    950: '#000000',
  },
}

SCSS

$custom: #3159b0;
$custom-light: #7987c8;
$custom-dark: #000000;

JSON

{
  "hex": "#3159b0",
  "rgb": {
    "r": 49,
    "g": 89,
    "b": 176
  },
  "hsl": {
    "h": 221.102,
    "s": 56.444,
    "l": 44.118
  },
  "oklch": {
    "l": 0.48375,
    "c": 0.14608,
    "h": 263.4
  },
  "luminance": 0.10932
}

Semantic roles & 50–950 ramp

primary

#3159B0

secondary

#C5AD78

accent

#B048E0

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #3159B0

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

Preview Lab → · Contrast checker → · Palette generator →