#4091D4#4091D4

#4091D4 is a light, vivid cyan. Relative luminance 0.261; OKLCH L 63.7% C 0.128 H 246.6°. Best body text is #000000 at 6.22:1 contrast (WCAG AA passes).

Color values

HEX#4091D4
RGBrgb(64, 145, 212)
HSLhsl(207, 63%, 54%)
HSVhsv(207, 70%, 83%)
CMYKcmyk(69.8%, 31.6%, 0%, 16.9%)
CIE-LABlab(58.12, -2.95, -41.50)
CIE-LCHlch(58.12, 41.60, 265.93°)
OKLaboklab(63.69% -0.0507 -0.1175)
OKLCHoklch(63.69% 0.128 246.6)
XYZxyz(24.1189, 26.0916, 66.0397)
Luminance0.2609 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4091D4 #D48340
analogous
#40D4CD #4091D4 #4047D4
triadic
#4091D4 #D44091 #91D440
tetradic
#4091D4 #CD40D4 #D48340 #47D440
square
#4091D4 #CD40D4 #D48340 #47D440
split-complementary
#4091D4 #D44047 #D4CD40
monochromatic
#1C517D #2772AF #4091D4 #72AEDF #A4CBEA

Accessibility & contrast

On white

3.38
#4091D4 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.22
#4091D4 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4091D4
6.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4091D4#FFFFFF#000000##000000
##4091D41.003.386.226.22
#FFFFFF3.381.0021.0021.00
#0000006.2221.001.001.00
##0000006.2221.001.001.00

Color blindness preview

Protanopia (red-blind)
#7393D7
Deuteranopia (green-blind)
#5E85D3
Tritanopia (blue-blind)
#00A1A9
Achromatopsia (no color)
#8C8C8C

Design tokens & code

CSS
--color: #4091d4;
/* rgb */ color: rgb(64, 145, 212);
/* oklch */ color: oklch(63.7% 0.128 246.6);
Tailwind
colors: {
  custom: {
    50: '#86b1e1',
    500: '#4091d4',
    950: '#000000',
  },
}
SCSS
$custom: #4091d4;
$custom-light: #86b1e1;
$custom-dark: #000000;
JSON
{
  "hex": "#4091d4",
  "rgb": {
    "r": 64,
    "g": 145,
    "b": 212
  },
  "hsl": {
    "h": 207.162,
    "s": 63.248,
    "l": 54.118
  },
  "oklch": {
    "l": 0.63689,
    "c": 0.12801,
    "h": 246.6
  },
  "luminance": 0.26094
}

Semantic roles & 50–950 ramp

primary
#4091D4
secondary
#D7B598
accent
#8C42E6
background
#F8FAFD
surface
#F0F4FB
border
#CBCED4
text
#0C1015
muted
#7D7F83

Preview Lab

Preview with #4091D4

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

Preview Lab → · Contrast checker → · Palette generator →

#4091D4 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva