#3851C4#3851C4

#3851C4 is a mid, vivid blue. Relative luminance 0.107; OKLCH L 48.6% C 0.181 H 269.2°. Best body text is #FFFFFF at 6.68:1 contrast (WCAG AA passes).

Color values

HEX	#3851C4
RGB	rgb(56, 81, 196)
HSL	hsl(229, 56%, 49%)
HSV	hsv(229, 71%, 77%)
CMYK	cmyk(71.4%, 58.7%, 0%, 23.1%)
CIE-LAB	lab(39.09, 29.93, -62.86)
CIE-LCH	lch(39.09, 69.62, 295.46°)
OKLab	oklab(48.64% -0.0026 -0.1813)
OKLCH	oklch(48.64% 0.181 269.2)
XYZ	xyz(14.5337, 10.7096, 53.5151)
Luminance	0.1071 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3851C4 #C4AB38

analogous

#3897C4 #3851C4 #6538C4

triadic

#3851C4 #C43851 #51C438

tetradic

#3851C4 #C43897 #C4AB38 #38C465

square

#3851C4 #C43897 #C4AB38 #38C465

split-complementary

#3851C4 #C46538 #97C438

monochromatic

#1D2A65 #2A3D94 #3851C4 #6679D3 #96A3E1

Accessibility & contrast

On white

6.68

#3851C4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.14

#3851C4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3851C4

6.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3851C4	#FFFFFF	#000000	##FFFFFF
##3851C4	1.00	6.68	3.14	6.68
#FFFFFF	6.68	1.00	21.00	1.00
#000000	3.14	21.00	1.00	21.00
##FFFFFF	6.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063C8

Deuteranopia (green-blind)

#0056C2

Tritanopia (blue-blind)

#006E82

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #3851c4;
/* rgb */ color: rgb(56, 81, 196);
/* oklch */ color: oklch(48.6% 0.181 269.2);

Tailwind

colors: {
  custom: {
    50: '#8181d7',
    500: '#3851c4',
    950: '#000000',
  },
}

SCSS

$custom: #3851c4;
$custom-light: #8181d7;
$custom-dark: #000000;

JSON

{
  "hex": "#3851c4",
  "rgb": {
    "r": 56,
    "g": 81,
    "b": 196
  },
  "hsl": {
    "h": 229.286,
    "s": 55.556,
    "l": 49.412
  },
  "oklch": {
    "l": 0.48637,
    "c": 0.18132,
    "h": 269.2
  },
  "luminance": 0.10711
}

Semantic roles & 50–950 ramp

primary

#3851C4

secondary

#CCC18C

accent

#C449DF

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0C0A14

muted

#7D7C83

Preview Lab

Preview with #3851C4

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

Preview Lab → · Contrast checker → · Palette generator →