#3869B8#3869B8

#3869B8 is a mid, vivid blue. Relative luminance 0.144; OKLCH L 52.7% C 0.136 H 259.5°. Best body text is #FFFFFF at 5.41:1 contrast (WCAG AA passes).

Color values

HEX#3869B8
RGBrgb(56, 105, 184)
HSLhsl(217, 53%, 47%)
HSVhsv(217, 70%, 72%)
CMYKcmyk(69.6%, 42.9%, 0%, 27.8%)
CIE-LABlab(44.81, 10.08, -46.65)
CIE-LCHlch(44.81, 47.72, 282.20°)
OKLaboklab(52.72% -0.0246 -0.1332)
OKLCHoklch(52.72% 0.136 259.5)
XYZxyz(15.3311, 14.4030, 47.3102)
Luminance0.1441 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3869B8 #B88738
analogous
#38A9B8 #3869B8 #4738B8
triadic
#3869B8 #B83869 #69B838
tetradic
#3869B8 #B838A9 #B88738 #38B847
square
#3869B8 #B838A9 #B88738 #38B847
split-complementary
#3869B8 #B84738 #A9B838
monochromatic
#1B335A #2A4E89 #3869B8 #5F8ACE #8EACDD

Accessibility & contrast

On white

5.41
#3869B8 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.88
#3869B8 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3869B8
5.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3869B8#FFFFFF#000000##FFFFFF
##3869B81.005.413.885.41
#FFFFFF5.411.0021.001.00
#0000003.8821.001.0021.00
##FFFFFF5.411.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4370BB
Deuteranopia (green-blind)
#2E65B6
Tritanopia (blue-blind)
#007B87
Achromatopsia (no color)
#6A6A6A

Design tokens & code

CSS
--color: #3869b8;
/* rgb */ color: rgb(56, 105, 184);
/* oklch */ color: oklch(52.7% 0.136 259.5);
Tailwind
colors: {
  custom: {
    50: '#7d93ce',
    500: '#3869b8',
    950: '#000000',
  },
}
SCSS
$custom: #3869b8;
$custom-light: #7d93ce;
$custom-dark: #000000;
JSON
{
  "hex": "#3869b8",
  "rgb": {
    "r": 56,
    "g": 105,
    "b": 184
  },
  "hsl": {
    "h": 217.031,
    "s": 53.333,
    "l": 47.059
  },
  "oklch": {
    "l": 0.52723,
    "c": 0.13551,
    "h": 259.5
  },
  "luminance": 0.14405
}

Semantic roles & 50–950 ramp

primary
#3869B8
secondary
#C7AE85
accent
#A54BDD
background
#F8F9FC
surface
#EFF1F9
border
#CACBD2
text
#0B0D13
muted
#7C7E82

Preview Lab

Preview with #3869B8

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

Preview Lab → · Contrast checker → · Palette generator →

#3869B8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva