#3881BC#3881BC

#3881BC is a mid, moderate cyan. Relative luminance 0.202; OKLCH L 58.4% C 0.116 H 246.1°. Best body text is #000000 at 5.03:1 contrast (WCAG AA passes).

Color values

HEX#3881BC
RGBrgb(56, 129, 188)
HSLhsl(207, 54%, 48%)
HSVhsv(207, 70%, 74%)
CMYKcmyk(70.2%, 31.4%, 0%, 26.3%)
CIE-LABlab(52.03, -3.18, -37.50)
CIE-LCHlch(52.03, 37.64, 265.16°)
OKLaboklab(58.44% -0.0471 -0.1062)
OKLCHoklch(58.44% 0.116 246.1)
XYZxyz(18.5548, 20.1701, 50.4825)
Luminance0.2017 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3881BC #BC7338
analogous
#38BCB5 #3881BC #383FBC
triadic
#3881BC #BC3881 #81BC38
tetradic
#3881BC #B538BC #BC7338 #3FBC38
square
#3881BC #B538BC #BC7338 #3FBC38
split-complementary
#3881BC #BC383F #BCB538
monochromatic
#1C405E #2A618D #3881BC #619ED0 #90BBDE

Accessibility & contrast

On white

4.17
#3881BC on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.03
#3881BC on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3881BC
5.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3881BC#FFFFFF#000000##000000
##3881BC1.004.175.035.03
#FFFFFF4.171.0021.0021.00
#0000005.0321.001.001.00
##0000005.0321.001.001.00

Color blindness preview

Protanopia (red-blind)
#6683BF
Deuteranopia (green-blind)
#5476BB
Tritanopia (blue-blind)
#008F96
Achromatopsia (no color)
#7C7C7C

Design tokens & code

CSS
--color: #3881bc;
/* rgb */ color: rgb(56, 129, 188);
/* oklch */ color: oklch(58.4% 0.116 246.1);
Tailwind
colors: {
  custom: {
    50: '#7ea5d0',
    500: '#3881bc',
    950: '#000000',
  },
}
SCSS
$custom: #3881bc;
$custom-light: #7ea5d0;
$custom-dark: #000000;
JSON
{
  "hex": "#3881bc",
  "rgb": {
    "r": 56,
    "g": 129,
    "b": 188
  },
  "hsl": {
    "h": 206.818,
    "s": 54.098,
    "l": 47.843
  },
  "oklch": {
    "l": 0.58436,
    "c": 0.11613,
    "h": 246.1
  },
  "luminance": 0.20172
}

Semantic roles & 50–950 ramp

primary
#3881BC
secondary
#C9A487
accent
#8C4ADD
background
#F8FAFC
surface
#EFF4F9
border
#CACED2
text
#0B0F14
muted
#7C7F82

Preview Lab

Preview with #3881BC

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

Preview Lab → · Contrast checker → · Palette generator →

#3881BC Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva