#3851D1#3851D1

#3851D1 is a mid, vivid blue. Relative luminance 0.113; OKLCH L 49.7% C 0.198 H 269.2°. Best body text is #FFFFFF at 6.43:1 contrast (WCAG AA passes).

Color values

HEX	#3851D1
RGB	rgb(56, 81, 209)
HSL	hsl(230, 62%, 52%)
HSV	hsv(230, 73%, 82%)
CMYK	cmyk(73.2%, 61.2%, 0%, 18%)
CIE-LAB	lab(40.13, 34.60, -68.69)
CIE-LCH	lch(40.13, 76.91, 296.74°)
OKLab	oklab(49.73% -0.0027 -0.1984)
OKLCH	oklch(49.73% 0.198 269.2)
XYZ	xyz(16.0780, 11.3274, 61.6483)
Luminance	0.1133 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3851D1 #D1B838

analogous

#389ED1 #3851D1 #6C38D1

triadic

#3851D1 #D13851 #51D138

tetradic

#3851D1 #D1389E #D1B838 #38D16C

square

#3851D1 #D1389E #D1B838 #38D16C

split-complementary

#3851D1 #D16C38 #9ED138

monochromatic

#1B2974 #263BA6 #3851D1 #6A7CDC #9BA8E8

Accessibility & contrast

On white

6.43

#3851D1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.27

#3851D1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3851D1

6.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3851D1	#FFFFFF	#000000	##FFFFFF
##3851D1	1.00	6.43	3.27	6.43
#FFFFFF	6.43	1.00	21.00	1.00
#000000	3.27	21.00	1.00	21.00
##FFFFFF	6.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0066D5

Deuteranopia (green-blind)

#0058CF

Tritanopia (blue-blind)

#007289

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #3851d1;
/* rgb */ color: rgb(56, 81, 209);
/* oklch */ color: oklch(49.7% 0.198 269.2);

Tailwind

colors: {
  custom: {
    50: '#8481e0',
    500: '#3851d1',
    950: '#000000',
  },
}

SCSS

$custom: #3851d1;
$custom-light: #8481e0;
$custom-dark: #000000;

JSON

{
  "hex": "#3851d1",
  "rgb": {
    "r": 56,
    "g": 81,
    "b": 209
  },
  "hsl": {
    "h": 230.196,
    "s": 62.449,
    "l": 51.961
  },
  "oklch": {
    "l": 0.49732,
    "c": 0.19844,
    "h": 269.2
  },
  "luminance": 0.11329
}

Semantic roles & 50–950 ramp

primary

#3851D1

secondary

#D4C991

accent

#CB42E6

background

#F8F7FD

surface

#F0EEFB

border

#CBC9D4

text

#0C0A15

muted

#7D7C83

Preview Lab

Preview with #3851D1

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

Preview Lab → · Contrast checker → · Palette generator →