#4091B6#4091B6

#4091B6 is a light, moderate cyan. Relative luminance 0.247; OKLCH L 62.2% C 0.096 H 230.9°. Best body text is #000000 at 5.94:1 contrast (WCAG AA passes).

Color values

HEX#4091B6
RGBrgb(64, 145, 182)
HSLhsl(199, 48%, 48%)
HSVhsv(199, 65%, 71%)
CMYKcmyk(64.8%, 20.3%, 0%, 28.6%)
CIE-LABlab(56.80, -13.06, -26.63)
CIE-LCHlch(56.80, 29.65, 243.88°)
OKLaboklab(62.2% -0.0606 -0.0745)
OKLCHoklch(62.2% 0.096 230.9)
XYZxyz(20.6799, 24.7160, 47.9277)
Luminance0.2472 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4091B6 #B66540
analogous
#40B6A0 #4091B6 #4056B6
triadic
#4091B6 #B64091 #91B640
tetradic
#4091B6 #A040B6 #B66540 #56B640
square
#4091B6 #A040B6 #B66540 #56B640
split-complementary
#4091B6 #B64056 #B6A040
monochromatic
#20495B #306D89 #4091B6 #69ACCA #96C5DA

Accessibility & contrast

On white

3.53
#4091B6 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.94
#4091B6 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4091B6
5.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4091B6#FFFFFF#000000##000000
##4091B61.003.535.945.94
#FFFFFF3.531.0021.0021.00
#0000005.9421.001.001.00
##0000005.9421.001.001.00

Color blindness preview

Protanopia (red-blind)
#7E8FB8
Deuteranopia (green-blind)
#6E83B5
Tritanopia (blue-blind)
#009B9D
Achromatopsia (no color)
#888888

Design tokens & code

CSS
--color: #4091b6;
/* rgb */ color: rgb(64, 145, 182);
/* oklch */ color: oklch(62.2% 0.096 230.9);
Tailwind
colors: {
  custom: {
    50: '#81b1cc',
    500: '#4091b6',
    950: '#000000',
  },
}
SCSS
$custom: #4091b6;
$custom-light: #81b1cc;
$custom-dark: #000000;
JSON
{
  "hex": "#4091b6",
  "rgb": {
    "r": 64,
    "g": 145,
    "b": 182
  },
  "hsl": {
    "h": 198.814,
    "s": 47.967,
    "l": 48.235
  },
  "oklch": {
    "l": 0.62202,
    "c": 0.09603,
    "h": 230.9
  },
  "luminance": 0.24718
}

Semantic roles & 50–950 ramp

primary
#4091B6
secondary
#C69E8C
accent
#7B50D8
background
#F8FAFC
surface
#F0F5F8
border
#CBCFD1
text
#0B1013
muted
#7C7F82

Preview Lab

Preview with #4091B6

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

Preview Lab → · Contrast checker → · Palette generator →

#4091B6 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva