#4181BD#4181BD

#4181BD is a mid, moderate cyan. Relative luminance 0.205; OKLCH L 58.8% C 0.114 H 249.0°. Best body text is #000000 at 5.10:1 contrast (WCAG AA passes).

Color values

HEX#4181BD
RGBrgb(65, 129, 189)
HSLhsl(209, 49%, 50%)
HSVhsv(209, 66%, 74%)
CMYKcmyk(65.6%, 31.7%, 0%, 25.9%)
CIE-LABlab(52.39, -1.36, -37.48)
CIE-LCHlch(52.39, 37.51, 267.92°)
OKLaboklab(58.83% -0.0407 -0.106)
OKLCHoklch(58.83% 0.114 249)
XYZxyz(19.2121, 20.4965, 51.0780)
Luminance0.2050 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4181BD #BD7D41
analogous
#41BDBB #4181BD #4143BD
triadic
#4181BD #BD4181 #81BD41
tetradic
#4181BD #BB41BD #BD7D41 #43BD41
square
#4181BD #BB41BD #BD7D41 #43BD41
split-complementary
#4181BD #BD4143 #BDBB41
monochromatic
#224362 #31628F #4181BD #6E9FCD #9CBDDD

Accessibility & contrast

On white

4.12
#4181BD on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.10
#4181BD on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4181BD
5.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4181BD#FFFFFF#000000##000000
##4181BD1.004.125.105.10
#FFFFFF4.121.0021.0021.00
#0000005.1021.001.001.00
##0000005.1021.001.001.00

Color blindness preview

Protanopia (red-blind)
#6784C0
Deuteranopia (green-blind)
#5678BC
Tritanopia (blue-blind)
#008F96
Achromatopsia (no color)
#7D7D7D

Design tokens & code

CSS
--color: #4181bd;
/* rgb */ color: rgb(65, 129, 189);
/* oklch */ color: oklch(58.8% 0.114 249.0);
Tailwind
colors: {
  custom: {
    50: '#82a5d1',
    500: '#4181bd',
    950: '#000000',
  },
}
SCSS
$custom: #4181bd;
$custom-light: #82a5d1;
$custom-dark: #000000;
JSON
{
  "hex": "#4181bd",
  "rgb": {
    "r": 65,
    "g": 129,
    "b": 189
  },
  "hsl": {
    "h": 209.032,
    "s": 48.819,
    "l": 49.804
  },
  "oklch": {
    "l": 0.58827,
    "c": 0.11354,
    "h": 249
  },
  "luminance": 0.20498
}

Semantic roles & 50–950 ramp

primary
#4181BD
secondary
#C9AC91
accent
#924FD8
background
#F8FAFC
surface
#F0F4F9
border
#CBCED2
text
#0C0F14
muted
#7D7F82

Preview Lab

Preview with #4181BD

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

Preview Lab → · Contrast checker → · Palette generator →

#4181BD Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva