#3159D4#3159D4

#3159D4 is a mid, vivid blue. Relative luminance 0.126; OKLCH L 51.2% C 0.195 H 265.9°. Best body text is #FFFFFF at 5.98:1 contrast (WCAG AA passes).

Color values

HEX	#3159D4
RGB	rgb(49, 89, 212)
HSL	hsl(225, 65%, 51%)
HSV	hsv(225, 77%, 83%)
CMYK	cmyk(76.9%, 58%, 0%, 16.9%)
CIE-LAB	lab(42.08, 29.82, -67.24)
CIE-LCH	lch(42.08, 73.56, 293.92°)
OKLab	oklab(51.18% -0.0139 -0.1942)
OKLCH	oklch(51.18% 0.195 265.9)
XYZ	xyz(16.7185, 12.5493, 63.8157)
Luminance	0.1255 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3159D4 #D4AC31

analogous

#31AAD4 #3159D4 #5A31D4

triadic

#3159D4 #D43159 #59D431

tetradic

#3159D4 #D431AA #D4AC31 #31D45A

square

#3159D4 #D431AA #D4AC31 #31D45A

split-complementary

#3159D4 #D45A31 #AAD431

monochromatic

#182E73 #2343A5 #3159D4 #6482DF #96ABE9

Accessibility & contrast

On white

5.98

#3159D4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.51

#3159D4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3159D4

5.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3159D4	#FFFFFF	#000000	##FFFFFF
##3159D4	1.00	5.98	3.51	5.98
#FFFFFF	5.98	1.00	21.00	1.00
#000000	3.51	21.00	1.00	21.00
##FFFFFF	5.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BD8

Deuteranopia (green-blind)

#005CD2

Tritanopia (blue-blind)

#00788E

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #3159d4;
/* rgb */ color: rgb(49, 89, 212);
/* oklch */ color: oklch(51.2% 0.195 265.9);

Tailwind

colors: {
  custom: {
    50: '#8187e2',
    500: '#3159d4',
    950: '#000000',
  },
}

SCSS

$custom: #3159d4;
$custom-light: #8187e2;
$custom-dark: #000000;

JSON

{
  "hex": "#3159d4",
  "rgb": {
    "r": 49,
    "g": 89,
    "b": 212
  },
  "hsl": {
    "h": 225.276,
    "s": 65.462,
    "l": 51.176
  },
  "oklch": {
    "l": 0.51175,
    "c": 0.19471,
    "h": 265.9
  },
  "luminance": 0.12551
}

Semantic roles & 50–950 ramp

primary

#3159D4

secondary

#D4C38C

accent

#BF3FE8

background

#F8F8FE

surface

#F0EFFC

border

#CBCAD5

text

#0C0B15

muted

#7D7C84

Preview Lab

Preview with #3159D4

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

Preview Lab → · Contrast checker → · Palette generator →