#3867CF#3867CF

#3867CF is a mid, vivid blue. Relative luminance 0.150; OKLCH L 53.9% C 0.169 H 263.5°. Best body text is #FFFFFF at 5.24:1 contrast (WCAG AA passes).

Color values

HEX	#3867CF
RGB	rgb(56, 103, 207)
HSL	hsl(221, 61%, 52%)
HSV	hsv(221, 73%, 81%)
CMYK	cmyk(72.9%, 50.2%, 0%, 18.8%)
CIE-LAB	lab(45.69, 19.81, -58.49)
CIE-LCH	lch(45.69, 61.76, 288.71°)
OKLab	oklab(53.87% -0.0192 -0.1681)
OKLCH	oklch(53.87% 0.169 263.5)
XYZ	xyz(17.7396, 15.0443, 60.9883)
Luminance	0.1505 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3867CF #CFA038

analogous

#38B2CF #3867CF #5538CF

triadic

#3867CF #CF3867 #67CF38

tetradic

#3867CF #CF38B2 #CFA038 #38CF55

square

#3867CF #CF38B2 #CFA038 #38CF55

split-complementary

#3867CF #CF5538 #B2CF38

monochromatic

#1B3671 #274EA3 #3867CF #698DDB #9BB2E7

Accessibility & contrast

On white

5.24

#3867CF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.01

#3867CF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3867CF

5.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3867CF	#FFFFFF	#000000	##FFFFFF
##3867CF	1.00	5.24	4.01	5.24
#FFFFFF	5.24	1.00	21.00	1.00
#000000	4.01	21.00	1.00	21.00
##FFFFFF	5.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2874D3

Deuteranopia (green-blind)

#0066CD

Tritanopia (blue-blind)

#008091

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #3867cf;
/* rgb */ color: rgb(56, 103, 207);
/* oklch */ color: oklch(53.9% 0.169 263.5);

Tailwind

colors: {
  custom: {
    50: '#8291de',
    500: '#3867cf',
    950: '#000000',
  },
}

SCSS

$custom: #3867cf;
$custom-light: #8291de;
$custom-dark: #000000;

JSON

{
  "hex": "#3867cf",
  "rgb": {
    "r": 56,
    "g": 103,
    "b": 207
  },
  "hsl": {
    "h": 221.325,
    "s": 61.134,
    "l": 51.569
  },
  "oklch": {
    "l": 0.53871,
    "c": 0.16923,
    "h": 263.5
  },
  "luminance": 0.15046
}

Semantic roles & 50–950 ramp

primary

#3867CF

secondary

#D3BE90

accent

#B244E4

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #3867CF

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

Preview Lab → · Contrast checker → · Palette generator →