#3861CF#3861CF

#3861CF is a mid, vivid blue. Relative luminance 0.139; OKLCH L 52.6% C 0.177 H 265.3°. Best body text is #FFFFFF at 5.56:1 contrast (WCAG AA passes).

Color values

HEX	#3861CF
RGB	rgb(56, 97, 207)
HSL	hsl(224, 61%, 52%)
HSV	hsv(224, 73%, 81%)
CMYK	cmyk(72.9%, 53.1%, 0%, 18.8%)
CIE-LAB	lab(44.08, 23.65, -61.11)
CIE-LCH	lch(44.08, 65.52, 291.16°)
OKLab	oklab(52.64% -0.0144 -0.1759)
OKLCH	oklch(52.64% 0.177 265.3)
XYZ	xyz(17.1641, 13.8933, 60.7965)
Luminance	0.1389 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3861CF #CFA638

analogous

#38ACCF #3861CF #5B38CF

triadic

#3861CF #CF3861 #61CF38

tetradic

#3861CF #CF38AC #CFA638 #38CF5B

square

#3861CF #CF38AC #CFA638 #38CF5B

split-complementary

#3861CF #CF5B38 #ACCF38

monochromatic

#1B3371 #2749A3 #3861CF #6988DB #9BAFE7

Accessibility & contrast

On white

5.56

#3861CF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.78

#3861CF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3861CF

5.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3861CF	#FFFFFF	#000000	##FFFFFF
##3861CF	1.00	5.56	3.78	5.56
#FFFFFF	5.56	1.00	21.00	1.00
#000000	3.78	21.00	1.00	21.00
##FFFFFF	5.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0D6FD3

Deuteranopia (green-blind)

#0062CD

Tritanopia (blue-blind)

#007C8E

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #3861cf;
/* rgb */ color: rgb(56, 97, 207);
/* oklch */ color: oklch(52.6% 0.177 265.3);

Tailwind

colors: {
  custom: {
    50: '#828dde',
    500: '#3861cf',
    950: '#000000',
  },
}

SCSS

$custom: #3861cf;
$custom-light: #828dde;
$custom-dark: #000000;

JSON

{
  "hex": "#3861cf",
  "rgb": {
    "r": 56,
    "g": 97,
    "b": 207
  },
  "hsl": {
    "h": 223.709,
    "s": 61.134,
    "l": 51.569
  },
  "oklch": {
    "l": 0.52644,
    "c": 0.17651,
    "h": 265.3
  },
  "luminance": 0.13895
}

Semantic roles & 50–950 ramp

primary

#3861CF

secondary

#D3C190

accent

#B944E4

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #3861CF

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

Preview Lab → · Contrast checker → · Palette generator →