#4181B8#4181B8

#4181B8 is a mid, moderate cyan. Relative luminance 0.203; OKLCH L 58.6% C 0.107 H 246.9°. Best body text is #000000 at 5.06:1 contrast (WCAG AA passes).

Color values

HEX#4181B8
RGBrgb(65, 129, 184)
HSLhsl(208, 48%, 49%)
HSVhsv(208, 65%, 72%)
CMYKcmyk(64.7%, 29.9%, 0%, 27.8%)
CIE-LABlab(52.16, -3.08, -34.99)
CIE-LCHlch(52.16, 35.12, 264.97°)
OKLaboklab(58.56% -0.0422 -0.0987)
OKLCHoklch(58.56% 0.107 246.9)
XYZxyz(18.6787, 20.2832, 48.2688)
Luminance0.2029 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4181B8 #B87841
analogous
#41B8B4 #4181B8 #4146B8
triadic
#4181B8 #B84181 #81B841
tetradic
#4181B8 #B441B8 #B87841 #46B841
square
#4181B8 #B441B8 #B87841 #46B841
split-complementary
#4181B8 #B84146 #B8B441
monochromatic
#21425E #31618B #4181B8 #6B9FCB #99BCDB

Accessibility & contrast

On white

4.15
#4181B8 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.06
#4181B8 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4181B8
5.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4181B8#FFFFFF#000000##000000
##4181B81.004.155.065.06
#FFFFFF4.151.0021.0021.00
#0000005.0621.001.001.00
##0000005.0621.001.001.00

Color blindness preview

Protanopia (red-blind)
#6983BA
Deuteranopia (green-blind)
#5977B7
Tritanopia (blue-blind)
#008E94
Achromatopsia (no color)
#7C7C7C

Design tokens & code

CSS
--color: #4181b8;
/* rgb */ color: rgb(65, 129, 184);
/* oklch */ color: oklch(58.6% 0.107 246.9);
Tailwind
colors: {
  custom: {
    50: '#81a5cd',
    500: '#4181b8',
    950: '#000000',
  },
}
SCSS
$custom: #4181b8;
$custom-light: #81a5cd;
$custom-dark: #000000;
JSON
{
  "hex": "#4181b8",
  "rgb": {
    "r": 65,
    "g": 129,
    "b": 184
  },
  "hsl": {
    "h": 207.731,
    "s": 47.791,
    "l": 48.824
  },
  "oklch": {
    "l": 0.58562,
    "c": 0.10738,
    "h": 246.9
  },
  "luminance": 0.20285
}

Semantic roles & 50–950 ramp

primary
#4181B8
secondary
#C7A88E
accent
#8F50D7
background
#F8FAFC
surface
#F0F4F9
border
#CBCED2
text
#0B0F13
muted
#7C7F82

Preview Lab

Preview with #4181B8

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

Preview Lab → · Contrast checker → · Palette generator →

#4181B8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva