#4291CD#4291CD

#4291CD is a light, moderate cyan. Relative luminance 0.258; OKLCH L 63.4% C 0.119 H 244.3°. Best body text is #000000 at 6.16:1 contrast (WCAG AA passes).

Color values

HEX#4291CD
RGBrgb(66, 145, 205)
HSLhsl(206, 58%, 53%)
HSVhsv(206, 68%, 80%)
CMYKcmyk(67.8%, 29.3%, 0%, 19.6%)
CIE-LABlab(57.86, -5.05, -37.97)
CIE-LCHlch(57.86, 38.31, 262.43°)
OKLaboklab(63.39% -0.0516 -0.1072)
OKLCHoklch(63.39% 0.119 244.3)
XYZxyz(23.3874, 25.8143, 61.4959)
Luminance0.2582 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4291CD #CD7E42
analogous
#42CDC3 #4291CD #424BCD
triadic
#4291CD #CD4291 #91CD42
tetradic
#4291CD #C342CD #CD7E42 #4BCD42
square
#4291CD #C342CD #CD7E42 #4BCD42
split-complementary
#4291CD #CD424B #CDC342
monochromatic
#1F5076 #2C71A6 #4291CD #72ADDA #A3C9E7

Accessibility & contrast

On white

3.41
#4291CD on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.16
#4291CD on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4291CD
6.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4291CD#FFFFFF#000000##000000
##4291CD1.003.416.166.16
#FFFFFF3.411.0021.0021.00
#0000006.1621.001.001.00
##0000006.1621.001.001.00

Color blindness preview

Protanopia (red-blind)
#7692D0
Deuteranopia (green-blind)
#6385CC
Tritanopia (blue-blind)
#00A0A6
Achromatopsia (no color)
#8B8B8B

Design tokens & code

CSS
--color: #4291cd;
/* rgb */ color: rgb(66, 145, 205);
/* oklch */ color: oklch(63.4% 0.119 244.3);
Tailwind
colors: {
  custom: {
    50: '#85b1dc',
    500: '#4291cd',
    950: '#000000',
  },
}
SCSS
$custom: #4291cd;
$custom-light: #85b1dc;
$custom-dark: #000000;
JSON
{
  "hex": "#4291cd",
  "rgb": {
    "r": 66,
    "g": 145,
    "b": 205
  },
  "hsl": {
    "h": 205.899,
    "s": 58.159,
    "l": 53.137
  },
  "oklch": {
    "l": 0.63392,
    "c": 0.119,
    "h": 244.3
  },
  "luminance": 0.25817
}

Semantic roles & 50–950 ramp

primary
#4291CD
secondary
#D3B197
accent
#8946E1
background
#F8FAFD
surface
#F0F4FB
border
#CBCED4
text
#0C1015
muted
#7D7F83

Preview Lab

Preview with #4291CD

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

Preview Lab → · Contrast checker → · Palette generator →

#4291CD Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva