#3861BA#3861BA

#3861BA is a mid, vivid blue. Relative luminance 0.129; OKLCH L 51.1% C 0.148 H 263.5°. Best body text is #FFFFFF at 5.85:1 contrast (WCAG AA passes).

Color values

HEX	#3861BA
RGB	rgb(56, 97, 186)
HSL	hsl(221, 54%, 47%)
HSV	hsv(221, 70%, 73%)
CMYK	cmyk(69.9%, 47.8%, 0%, 27.1%)
CIE-LAB	lab(42.66, 15.93, -51.24)
CIE-LCH	lch(42.66, 53.66, 287.26°)
OKLab	oklab(51.12% -0.0168 -0.1469)
OKLCH	oklch(51.12% 0.148 263.5)
XYZ	xyz(14.7654, 12.9338, 48.1632)
Luminance	0.1293 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3861BA #BA9138

analogous

#38A2BA #3861BA #5038BA

triadic

#3861BA #BA3861 #61BA38

tetradic

#3861BA #BA38A2 #BA9138 #38BA50

square

#3861BA #BA38A2 #BA9138 #38BA50

split-complementary

#3861BA #BA5038 #A2BA38

monochromatic

#1C305C #2A488B #3861BA #6083CF #8FA8DD

Accessibility & contrast

On white

5.85

#3861BA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.59

#3861BA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3861BA

5.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3861BA	#FFFFFF	#000000	##FFFFFF
##3861BA	1.00	5.85	3.59	5.85
#FFFFFF	5.85	1.00	21.00	1.00
#000000	3.59	21.00	1.00	21.00
##FFFFFF	5.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#316BBD

Deuteranopia (green-blind)

#115FB8

Tritanopia (blue-blind)

#007684

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #3861ba;
/* rgb */ color: rgb(56, 97, 186);
/* oklch */ color: oklch(51.1% 0.148 263.5);

Tailwind

colors: {
  custom: {
    50: '#7e8dcf',
    500: '#3861ba',
    950: '#000000',
  },
}

SCSS

$custom: #3861ba;
$custom-light: #7e8dcf;
$custom-dark: #000000;

JSON

{
  "hex": "#3861ba",
  "rgb": {
    "r": 56,
    "g": 97,
    "b": 186
  },
  "hsl": {
    "h": 221.077,
    "s": 53.719,
    "l": 47.451
  },
  "oklch": {
    "l": 0.51115,
    "c": 0.14786,
    "h": 263.5
  },
  "luminance": 0.12935
}

Semantic roles & 50–950 ramp

primary

#3861BA

secondary

#C8B386

accent

#AF4BDD

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #3861BA

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

Preview Lab → · Contrast checker → · Palette generator →