#4091BD#4091BD

#4091BD is a light, moderate cyan. Relative luminance 0.250; OKLCH L 62.5% C 0.103 H 235.5°. Best body text is #000000 at 6.00:1 contrast (WCAG AA passes).

Color values

HEX#4091BD
RGBrgb(64, 145, 189)
HSLhsl(201, 49%, 50%)
HSVhsv(201, 66%, 74%)
CMYKcmyk(66.1%, 23.3%, 0%, 25.9%)
CIE-LABlab(57.09, -10.75, -30.15)
CIE-LCHlch(57.09, 32.01, 250.37°)
OKLaboklab(62.53% -0.0581 -0.0846)
OKLCHoklch(62.53% 0.103 235.5)
XYZxyz(21.4215, 25.0127, 51.8332)
Luminance0.2501 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4091BD #BD6C40
analogous
#40BDAB #4091BD #4053BD
triadic
#4091BD #BD4091 #91BD40
tetradic
#4091BD #AB40BD #BD6C40 #53BD40
square
#4091BD #AB40BD #BD6C40 #53BD40
split-complementary
#4091BD #BD4053 #BDAB40
monochromatic
#214B62 #316E8F #4091BD #6DABCD #9AC6DD

Accessibility & contrast

On white

3.50
#4091BD on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.00
#4091BD on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4091BD
6.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4091BD#FFFFFF#000000##000000
##4091BD1.003.506.006.00
#FFFFFF3.501.0021.0021.00
#0000006.0021.001.001.00
##0000006.0021.001.001.00

Color blindness preview

Protanopia (red-blind)
#7C90BF
Deuteranopia (green-blind)
#6B84BC
Tritanopia (blue-blind)
#009CA0
Achromatopsia (no color)
#898989

Design tokens & code

CSS
--color: #4091bd;
/* rgb */ color: rgb(64, 145, 189);
/* oklch */ color: oklch(62.5% 0.103 235.5);
Tailwind
colors: {
  custom: {
    50: '#82b1d1',
    500: '#4091bd',
    950: '#000000',
  },
}
SCSS
$custom: #4091bd;
$custom-light: #82b1d1;
$custom-dark: #000000;
JSON
{
  "hex": "#4091bd",
  "rgb": {
    "r": 64,
    "g": 145,
    "b": 189
  },
  "hsl": {
    "h": 201.12,
    "s": 49.407,
    "l": 49.608
  },
  "oklch": {
    "l": 0.62528,
    "c": 0.10265,
    "h": 235.5
  },
  "luminance": 0.25015
}

Semantic roles & 50–950 ramp

primary
#4091BD
secondary
#C9A490
accent
#7F4FD9
background
#F8FAFC
surface
#F0F5F9
border
#CBCFD2
text
#0C1014
muted
#7D7F82

Preview Lab

Preview with #4091BD

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

Preview Lab → · Contrast checker → · Palette generator →

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