#3851CC#3851CC

#3851CC is a mid, vivid blue. Relative luminance 0.111; OKLCH L 49.3% C 0.192 H 269.2°. Best body text is #FFFFFF at 6.53:1 contrast (WCAG AA passes).

Color values

HEX	#3851CC
RGB	rgb(56, 81, 204)
HSL	hsl(230, 59%, 51%)
HSV	hsv(230, 73%, 80%)
CMYK	cmyk(72.5%, 60.3%, 0%, 20%)
CIE-LAB	lab(39.72, 32.81, -66.46)
CIE-LCH	lch(39.72, 74.12, 296.27°)
OKLab	oklab(49.31% -0.0026 -0.1919)
OKLCH	oklch(49.31% 0.192 269.2)
XYZ	xyz(15.4687, 11.0836, 58.4392)
Luminance	0.1109 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3851CC #CCB338

analogous

#389BCC #3851CC #6938CC

triadic

#3851CC #CC3851 #51CC38

tetradic

#3851CC #CC389B #CCB338 #38CC69

square

#3851CC #CC389B #CCB338 #38CC69

split-complementary

#3851CC #CC6938 #9BCC38

monochromatic

#1C2A6E #293C9E #3851CC #697CD8 #99A6E5

Accessibility & contrast

On white

6.53

#3851CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.22

#3851CC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3851CC

6.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3851CC	#FFFFFF	#000000	##FFFFFF
##3851CC	1.00	6.53	3.22	6.53
#FFFFFF	6.53	1.00	21.00	1.00
#000000	3.22	21.00	1.00	21.00
##FFFFFF	6.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0065D0

Deuteranopia (green-blind)

#0057CA

Tritanopia (blue-blind)

#007087

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #3851cc;
/* rgb */ color: rgb(56, 81, 204);
/* oklch */ color: oklch(49.3% 0.192 269.2);

Tailwind

colors: {
  custom: {
    50: '#8381dc',
    500: '#3851cc',
    950: '#000000',
  },
}

SCSS

$custom: #3851cc;
$custom-light: #8381dc;
$custom-dark: #000000;

JSON

{
  "hex": "#3851cc",
  "rgb": {
    "r": 56,
    "g": 81,
    "b": 204
  },
  "hsl": {
    "h": 229.865,
    "s": 59.2,
    "l": 50.98
  },
  "oklch": {
    "l": 0.49306,
    "c": 0.19191,
    "h": 269.2
  },
  "luminance": 0.11085
}

Semantic roles & 50–950 ramp

primary

#3851CC

secondary

#D1C68F

accent

#C845E2

background

#F8F7FD

surface

#F0EEFB

border

#CBC9D4

text

#0C0A15

muted

#7D7C83

Preview Lab

Preview with #3851CC

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

Preview Lab → · Contrast checker → · Palette generator →