#3159CF#3159CF

#3159CF is a mid, vivid blue. Relative luminance 0.123; OKLCH L 50.8% C 0.188 H 265.7°. Best body text is #FFFFFF at 6.07:1 contrast (WCAG AA passes).

Color values

HEX	#3159CF
RGB	rgb(49, 89, 207)
HSL	hsl(225, 62%, 50%)
HSV	hsv(225, 76%, 81%)
CMYK	cmyk(76.3%, 57%, 0%, 18.8%)
CIE-LAB	lab(41.69, 27.97, -65.00)
CIE-LCH	lch(41.69, 70.76, 293.28°)
OKLab	oklab(50.77% -0.0141 -0.1876)
OKLCH	oklch(50.77% 0.188 265.7)
XYZ	xyz(16.0975, 12.3009, 60.5453)
Luminance	0.1230 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3159CF #CFA731

analogous

#31A8CF #3159CF #5831CF

triadic

#3159CF #CF3159 #59CF31

tetradic

#3159CF #CF31A8 #CFA731 #31CF58

square

#3159CF #CF31A8 #CFA731 #31CF58

split-complementary

#3159CF #CF5831 #A8CF31

monochromatic

#192E6C #25439E #3159CF #6381DB #94A9E6

Accessibility & contrast

On white

6.07

#3159CF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.46

#3159CF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3159CF

6.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3159CF	#FFFFFF	#000000	##FFFFFF
##3159CF	1.00	6.07	3.46	6.07
#FFFFFF	6.07	1.00	21.00	1.00
#000000	3.46	21.00	1.00	21.00
##FFFFFF	6.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006AD3

Deuteranopia (green-blind)

#005BCD

Tritanopia (blue-blind)

#00768B

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #3159cf;
/* rgb */ color: rgb(49, 89, 207);
/* oklch */ color: oklch(50.8% 0.188 265.7);

Tailwind

colors: {
  custom: {
    50: '#8087df',
    500: '#3159cf',
    950: '#000000',
  },
}

SCSS

$custom: #3159cf;
$custom-light: #8087df;
$custom-dark: #000000;

JSON

{
  "hex": "#3159cf",
  "rgb": {
    "r": 49,
    "g": 89,
    "b": 207
  },
  "hsl": {
    "h": 224.81,
    "s": 62.205,
    "l": 50.196
  },
  "oklch": {
    "l": 0.50765,
    "c": 0.18815,
    "h": 265.7
  },
  "luminance": 0.12303
}

Semantic roles & 50–950 ramp

primary

#3159CF

secondary

#D1BF8B

accent

#BC43E5

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #3159CF

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

Preview Lab → · Contrast checker → · Palette generator →