#3158CF#3158CF

#3158CF is a mid, vivid blue. Relative luminance 0.121; OKLCH L 50.6% C 0.189 H 265.9°. Best body text is #FFFFFF at 6.13:1 contrast (WCAG AA passes).

Color values

HEX	#3158CF
RGB	rgb(49, 88, 207)
HSL	hsl(225, 62%, 50%)
HSV	hsv(225, 76%, 81%)
CMYK	cmyk(76.3%, 57.5%, 0%, 18.8%)
CIE-LAB	lab(41.43, 28.62, -65.42)
CIE-LCH	lch(41.43, 71.41, 293.63°)
OKLab	oklab(50.57% -0.0134 -0.1889)
OKLCH	oklch(50.57% 0.189 265.9)
XYZ	xyz(16.0149, 12.1356, 60.5178)
Luminance	0.1214 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3158CF #CFA831

analogous

#31A7CF #3158CF #5931CF

triadic

#3158CF #CF3158 #58CF31

tetradic

#3158CF #CF31A7 #CFA831 #31CF59

square

#3158CF #CF31A7 #CFA831 #31CF59

split-complementary

#3158CF #CF5931 #A7CF31

monochromatic

#192E6C #25439E #3158CF #6380DB #94A8E6

Accessibility & contrast

On white

6.13

#3158CF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.43

#3158CF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3158CF

6.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3158CF	#FFFFFF	#000000	##FFFFFF
##3158CF	1.00	6.13	3.43	6.13
#FFFFFF	6.13	1.00	21.00	1.00
#000000	3.43	21.00	1.00	21.00
##FFFFFF	6.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0069D3

Deuteranopia (green-blind)

#005BCD

Tritanopia (blue-blind)

#00768B

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #3158cf;
/* rgb */ color: rgb(49, 88, 207);
/* oklch */ color: oklch(50.6% 0.189 265.9);

Tailwind

colors: {
  custom: {
    50: '#8086df',
    500: '#3158cf',
    950: '#000000',
  },
}

SCSS

$custom: #3158cf;
$custom-light: #8086df;
$custom-dark: #000000;

JSON

{
  "hex": "#3158cf",
  "rgb": {
    "r": 49,
    "g": 88,
    "b": 207
  },
  "hsl": {
    "h": 225.19,
    "s": 62.205,
    "l": 50.196
  },
  "oklch": {
    "l": 0.50571,
    "c": 0.18935,
    "h": 265.9
  },
  "luminance": 0.12137
}

Semantic roles & 50–950 ramp

primary

#3158CF

secondary

#D1C08B

accent

#BD43E5

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #3158CF

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

Preview Lab → · Contrast checker → · Palette generator →