#4091D0#4091D0

#4091D0 is a light, vivid cyan. Relative luminance 0.259; OKLCH L 63.5% C 0.123 H 245.1°. Best body text is #000000 at 6.18:1 contrast (WCAG AA passes).

Color values

HEX#4091D0
RGBrgb(64, 145, 208)
HSLhsl(206, 61%, 53%)
HSVhsv(206, 69%, 82%)
CMYKcmyk(69.2%, 30.3%, 0%, 18.4%)
CIE-LABlab(57.93, -4.33, -39.55)
CIE-LCHlch(57.93, 39.78, 263.75°)
OKLaboklab(63.48% -0.0519 -0.1118)
OKLCHoklch(63.48% 0.123 245.1)
XYZxyz(23.6206, 25.8923, 63.4151)
Luminance0.2590 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4091D0 #D07F40
analogous
#40D0C7 #4091D0 #4049D0
triadic
#4091D0 #D04091 #91D040
tetradic
#4091D0 #C740D0 #D07F40 #49D040
square
#4091D0 #C740D0 #D07F40 #49D040
split-complementary
#4091D0 #D04049 #D0C740
monochromatic
#1E5078 #2A71A9 #4091D0 #71ADDC #A2CAE8

Accessibility & contrast

On white

3.40
#4091D0 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.18
#4091D0 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4091D0
6.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4091D0#FFFFFF#000000##000000
##4091D01.003.406.186.18
#FFFFFF3.401.0021.0021.00
#0000006.1821.001.001.00
##0000006.1821.001.001.00

Color blindness preview

Protanopia (red-blind)
#7593D3
Deuteranopia (green-blind)
#6185CF
Tritanopia (blue-blind)
#00A0A7
Achromatopsia (no color)
#8B8B8B

Design tokens & code

CSS
--color: #4091d0;
/* rgb */ color: rgb(64, 145, 208);
/* oklch */ color: oklch(63.5% 0.123 245.1);
Tailwind
colors: {
  custom: {
    50: '#85b1de',
    500: '#4091d0',
    950: '#000000',
  },
}
SCSS
$custom: #4091d0;
$custom-light: #85b1de;
$custom-dark: #000000;
JSON
{
  "hex": "#4091d0",
  "rgb": {
    "r": 64,
    "g": 145,
    "b": 208
  },
  "hsl": {
    "h": 206.25,
    "s": 60.504,
    "l": 53.333
  },
  "oklch": {
    "l": 0.63478,
    "c": 0.12331,
    "h": 245.1
  },
  "luminance": 0.25895
}

Semantic roles & 50–950 ramp

primary
#4091D0
secondary
#D5B297
accent
#8A44E4
background
#F8FAFD
surface
#F0F4FB
border
#CBCED4
text
#0C1015
muted
#7D7F83

Preview Lab

Preview with #4091D0

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

Preview Lab → · Contrast checker → · Palette generator →

#4091D0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva