#3151C6#3151C6

#3151C6 is a mid, vivid blue. Relative luminance 0.106; OKLCH L 48.5% C 0.186 H 267.2°. Best body text is #FFFFFF at 6.72:1 contrast (WCAG AA passes).

Color values

HEX	#3151C6
RGB	rgb(49, 81, 198)
HSL	hsl(227, 60%, 48%)
HSV	hsv(227, 75%, 78%)
CMYK	cmyk(75.3%, 59.1%, 0%, 22.4%)
CIE-LAB	lab(38.92, 29.81, -64.30)
CIE-LCH	lch(38.92, 70.88, 294.87°)
OKLab	oklab(48.47% -0.0089 -0.1857)
OKLCH	oklch(48.47% 0.186 267.2)
XYZ	xyz(14.3985, 10.6135, 54.7049)
Luminance	0.1061 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3151C6 #C6A631

analogous

#319BC6 #3151C6 #5B31C6

triadic

#3151C6 #C63151 #51C631

tetradic

#3151C6 #C6319B #C6A631 #31C65B

square

#3151C6 #C6319B #C6A631 #31C65B

split-complementary

#3151C6 #C65B31 #9BC631

monochromatic

#192964 #253D95 #3151C6 #5D77D7 #8EA1E3

Accessibility & contrast

On white

6.72

#3151C6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.12

#3151C6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3151C6

6.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3151C6	#FFFFFF	#000000	##FFFFFF
##3151C6	1.00	6.72	3.12	6.72
#FFFFFF	6.72	1.00	21.00	1.00
#000000	3.12	21.00	1.00	21.00
##FFFFFF	6.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063CA

Deuteranopia (green-blind)

#0055C4

Tritanopia (blue-blind)

#006F83

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #3151c6;
/* rgb */ color: rgb(49, 81, 198);
/* oklch */ color: oklch(48.5% 0.186 267.2);

Tailwind

colors: {
  custom: {
    50: '#7f81d8',
    500: '#3151c6',
    950: '#000000',
  },
}

SCSS

$custom: #3151c6;
$custom-light: #7f81d8;
$custom-dark: #000000;

JSON

{
  "hex": "#3151c6",
  "rgb": {
    "r": 49,
    "g": 81,
    "b": 198
  },
  "hsl": {
    "h": 227.114,
    "s": 60.324,
    "l": 48.431
  },
  "oklch": {
    "l": 0.48474,
    "c": 0.1859,
    "h": 267.2
  },
  "luminance": 0.10615
}

Semantic roles & 50–950 ramp

primary

#3151C6

secondary

#CEBE85

accent

#C144E3

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0C0A15

muted

#7D7C83

Preview Lab

Preview with #3151C6

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

Preview Lab → · Contrast checker → · Palette generator →