#3159B9#3159B9

#3159B9 is a mid, vivid blue. Relative luminance 0.113; OKLCH L 49.0% C 0.159 H 264.3°. Best body text is #FFFFFF at 6.44:1 contrast (WCAG AA passes).

Color values

HEX	#3159B9
RGB	rgb(49, 89, 185)
HSL	hsl(222, 58%, 46%)
HSV	hsv(222, 74%, 73%)
CMYK	cmyk(73.5%, 51.9%, 0%, 27.5%)
CIE-LAB	lab(40.08, 19.75, -54.84)
CIE-LCH	lch(40.08, 58.29, 289.81°)
OKLab	oklab(49.04% -0.0157 -0.1577)
OKLCH	oklch(49.04% 0.159 264.3)
XYZ	xyz(13.5929, 11.2990, 47.3541)
Luminance	0.1130 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3159B9 #B99131

analogous

#319DB9 #3159B9 #4D31B9

triadic

#3159B9 #B93159 #59B931

tetradic

#3159B9 #B9319D #B99131 #31B94D

square

#3159B9 #B9319D #B99131 #31B94D

split-complementary

#3159B9 #B94D31 #9DB931

monochromatic

#172A58 #244289 #3159B9 #557AD2 #86A0DF

Accessibility & contrast

On white

6.44

#3159B9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.26

#3159B9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3159B9

6.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3159B9	#FFFFFF	#000000	##FFFFFF
##3159B9	1.00	6.44	3.26	6.44
#FFFFFF	6.44	1.00	21.00	1.00
#000000	3.26	21.00	1.00	21.00
##FFFFFF	6.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A65BC

Deuteranopia (green-blind)

#0059B7

Tritanopia (blue-blind)

#007080

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #3159b9;
/* rgb */ color: rgb(49, 89, 185);
/* oklch */ color: oklch(49.0% 0.159 264.3);

Tailwind

colors: {
  custom: {
    50: '#7b87cf',
    500: '#3159b9',
    950: '#000000',
  },
}

SCSS

$custom: #3159b9;
$custom-light: #7b87cf;
$custom-dark: #000000;

JSON

{
  "hex": "#3159b9",
  "rgb": {
    "r": 49,
    "g": 89,
    "b": 185
  },
  "hsl": {
    "h": 222.353,
    "s": 58.12,
    "l": 45.882
  },
  "oklch": {
    "l": 0.49041,
    "c": 0.15853,
    "h": 264.3
  },
  "luminance": 0.11301
}

Semantic roles & 50–950 ramp

primary

#3159B9

secondary

#C8B27D

accent

#B446E1

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #3159B9

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

Preview Lab → · Contrast checker → · Palette generator →