#3861BC#3861BC

#3861BC is a mid, vivid blue. Relative luminance 0.130; OKLCH L 51.3% C 0.151 H 263.7°. Best body text is #FFFFFF at 5.83:1 contrast (WCAG AA passes).

Color values

HEX	#3861BC
RGB	rgb(56, 97, 188)
HSL	hsl(221, 54%, 48%)
HSV	hsv(221, 70%, 74%)
CMYK	cmyk(70.2%, 48.4%, 0%, 26.3%)
CIE-LAB	lab(42.79, 16.66, -52.20)
CIE-LCH	lch(42.79, 54.80, 287.70°)
OKLab	oklab(51.26% -0.0165 -0.1497)
OKLCH	oklch(51.26% 0.151 263.7)
XYZ	xyz(14.9795, 13.0194, 49.2908)
Luminance	0.1302 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3861BC #BC9338

analogous

#38A3BC #3861BC #5138BC

triadic

#3861BC #BC3861 #61BC38

tetradic

#3861BC #BC38A3 #BC9338 #38BC51

square

#3861BC #BC38A3 #BC9338 #38BC51

split-complementary

#3861BC #BC5138 #A3BC38

monochromatic

#1C305E #2A498D #3861BC #6184D0 #90A8DE

Accessibility & contrast

On white

5.83

#3861BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.60

#3861BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3861BC

5.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3861BC	#FFFFFF	#000000	##FFFFFF
##3861BC	1.00	5.83	3.60	5.83
#FFFFFF	5.83	1.00	21.00	1.00
#000000	3.60	21.00	1.00	21.00
##FFFFFF	5.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F6BBF

Deuteranopia (green-blind)

#095FBA

Tritanopia (blue-blind)

#007685

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #3861bc;
/* rgb */ color: rgb(56, 97, 188);
/* oklch */ color: oklch(51.3% 0.151 263.7);

Tailwind

colors: {
  custom: {
    50: '#7e8dd1',
    500: '#3861bc',
    950: '#000000',
  },
}

SCSS

$custom: #3861bc;
$custom-light: #7e8dd1;
$custom-dark: #000000;

JSON

{
  "hex": "#3861bc",
  "rgb": {
    "r": 56,
    "g": 97,
    "b": 188
  },
  "hsl": {
    "h": 221.364,
    "s": 54.098,
    "l": 47.843
  },
  "oklch": {
    "l": 0.51255,
    "c": 0.15063,
    "h": 263.7
  },
  "luminance": 0.13021
}

Semantic roles & 50–950 ramp

primary

#3861BC

secondary

#C9B487

accent

#B04ADD

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #3861BC

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

Preview Lab → · Contrast checker → · Palette generator →