#3861CA#3861CA

#3861CA is a mid, vivid blue. Relative luminance 0.137; OKLCH L 52.3% C 0.170 H 265.0°. Best body text is #FFFFFF at 5.63:1 contrast (WCAG AA passes).

Color values

HEX	#3861CA
RGB	rgb(56, 97, 202)
HSL	hsl(223, 58%, 51%)
HSV	hsv(223, 72%, 79%)
CMYK	cmyk(72.3%, 52%, 0%, 20.8%)
CIE-LAB	lab(43.73, 21.82, -58.79)
CIE-LCH	lch(43.73, 62.71, 290.36°)
OKLab	oklab(52.27% -0.0149 -0.1691)
OKLCH	oklch(52.27% 0.17 265)
XYZ	xyz(16.5625, 13.6526, 57.6280)
Luminance	0.1365 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3861CA #CAA138

analogous

#38AACA #3861CA #5838CA

triadic

#3861CA #CA3861 #61CA38

tetradic

#3861CA #CA38AA #CAA138 #38CA58

square

#3861CA #CA38AA #CAA138 #38CA58

split-complementary

#3861CA #CA5838 #AACA38

monochromatic

#1D336B #29499B #3861CA #6887D7 #99AEE4

Accessibility & contrast

On white

5.63

#3861CA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.73

#3861CA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3861CA

5.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3861CA	#FFFFFF	#000000	##FFFFFF
##3861CA	1.00	5.63	3.73	5.63
#FFFFFF	5.63	1.00	21.00	1.00
#000000	3.73	21.00	1.00	21.00
##FFFFFF	5.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B6ECE

Deuteranopia (green-blind)

#0061C8

Tritanopia (blue-blind)

#007A8C

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #3861ca;
/* rgb */ color: rgb(56, 97, 202);
/* oklch */ color: oklch(52.3% 0.170 265.0);

Tailwind

colors: {
  custom: {
    50: '#818ddb',
    500: '#3861ca',
    950: '#000000',
  },
}

SCSS

$custom: #3861ca;
$custom-light: #818ddb;
$custom-dark: #000000;

JSON

{
  "hex": "#3861ca",
  "rgb": {
    "r": 56,
    "g": 97,
    "b": 202
  },
  "hsl": {
    "h": 223.151,
    "s": 57.937,
    "l": 50.588
  },
  "oklch": {
    "l": 0.52269,
    "c": 0.16977,
    "h": 265
  },
  "luminance": 0.13654
}

Semantic roles & 50–950 ramp

primary

#3861CA

secondary

#CFBD8E

accent

#B647E1

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #3861CA

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

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