#3159B8#3159B8

#3159B8 is a mid, vivid blue. Relative luminance 0.113; OKLCH L 49.0% C 0.157 H 264.2°. Best body text is #FFFFFF at 6.46:1 contrast (WCAG AA passes).

Color values

HEX	#3159B8
RGB	rgb(49, 89, 184)
HSL	hsl(222, 58%, 46%)
HSV	hsv(222, 73%, 72%)
CMYK	cmyk(73.4%, 51.6%, 0%, 27.8%)
CIE-LAB	lab(40.01, 19.37, -54.37)
CIE-LCH	lch(40.01, 57.72, 289.61°)
OKLab	oklab(48.97% -0.0159 -0.1563)
OKLCH	oklch(48.97% 0.157 264.2)
XYZ	xyz(13.4877, 11.2570, 46.8001)
Luminance	0.1126 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3159B8 #B89031

analogous

#319CB8 #3159B8 #4C31B8

triadic

#3159B8 #B83159 #59B831

tetradic

#3159B8 #B8319C #B89031 #31B84C

square

#3159B8 #B8319C #B89031 #31B84C

split-complementary

#3159B8 #B84C31 #9CB831

monochromatic

#172A57 #244288 #3159B8 #557AD2 #859FDE

Accessibility & contrast

On white

6.46

#3159B8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.25

#3159B8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3159B8

6.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3159B8	#FFFFFF	#000000	##FFFFFF
##3159B8	1.00	6.46	3.25	6.46
#FFFFFF	6.46	1.00	21.00	1.00
#000000	3.25	21.00	1.00	21.00
##FFFFFF	6.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C65BB

Deuteranopia (green-blind)

#0058B6

Tritanopia (blue-blind)

#007080

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #3159b8;
/* rgb */ color: rgb(49, 89, 184);
/* oklch */ color: oklch(49.0% 0.157 264.2);

Tailwind

colors: {
  custom: {
    50: '#7b87ce',
    500: '#3159b8',
    950: '#000000',
  },
}

SCSS

$custom: #3159b8;
$custom-light: #7b87ce;
$custom-dark: #000000;

JSON

{
  "hex": "#3159b8",
  "rgb": {
    "r": 49,
    "g": 89,
    "b": 184
  },
  "hsl": {
    "h": 222.222,
    "s": 57.94,
    "l": 45.686
  },
  "oklch": {
    "l": 0.48965,
    "c": 0.15715,
    "h": 264.2
  },
  "luminance": 0.11258
}

Semantic roles & 50–950 ramp

primary

#3159B8

secondary

#C8B27D

accent

#B347E1

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #3159B8

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

Preview Lab → · Contrast checker → · Palette generator →