#4091CE#4091CE

#4091CE is a light, vivid cyan. Relative luminance 0.258; OKLCH L 63.4% C 0.121 H 244.3°. Best body text is #000000 at 6.16:1 contrast (WCAG AA passes).

Color values

HEX#4091CE
RGBrgb(64, 145, 206)
HSLhsl(206, 59%, 53%)
HSVhsv(206, 69%, 81%)
CMYKcmyk(68.9%, 29.6%, 0%, 19.2%)
CIE-LABlab(57.84, -5.02, -38.57)
CIE-LCHlch(57.84, 38.90, 262.59°)
OKLaboklab(63.37% -0.0525 -0.109)
OKLCHoklch(63.37% 0.121 244.3)
XYZxyz(23.3761, 25.7945, 62.1274)
Luminance0.2580 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4091CE #CE7D40
analogous
#40CEC4 #4091CE #404ACE
triadic
#4091CE #CE4091 #91CE40
tetradic
#4091CE #C440CE #CE7D40 #4ACE40
square
#4091CE #C440CE #CE7D40 #4ACE40
split-complementary
#4091CE #CE404A #CEC440
monochromatic
#1E5075 #2B71A6 #4091CE #71ADDA #A1C9E7

Accessibility & contrast

On white

3.41
#4091CE on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.16
#4091CE on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4091CE
6.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4091CE#FFFFFF#000000##000000
##4091CE1.003.416.166.16
#FFFFFF3.411.0021.0021.00
#0000006.1621.001.001.00
##0000006.1621.001.001.00

Color blindness preview

Protanopia (red-blind)
#7593D1
Deuteranopia (green-blind)
#6285CD
Tritanopia (blue-blind)
#00A0A6
Achromatopsia (no color)
#8B8B8B

Design tokens & code

CSS
--color: #4091ce;
/* rgb */ color: rgb(64, 145, 206);
/* oklch */ color: oklch(63.4% 0.121 244.3);
Tailwind
colors: {
  custom: {
    50: '#85b1dd',
    500: '#4091ce',
    950: '#000000',
  },
}
SCSS
$custom: #4091ce;
$custom-light: #85b1dd;
$custom-dark: #000000;
JSON
{
  "hex": "#4091ce",
  "rgb": {
    "r": 64,
    "g": 145,
    "b": 206
  },
  "hsl": {
    "h": 205.775,
    "s": 59.167,
    "l": 52.941
  },
  "oklch": {
    "l": 0.63374,
    "c": 0.121,
    "h": 244.3
  },
  "luminance": 0.25797
}

Semantic roles & 50–950 ramp

primary
#4091CE
secondary
#D4B196
accent
#8945E2
background
#F8FAFD
surface
#F0F4FB
border
#CBCED4
text
#0C1015
muted
#7D7F83

Preview Lab

Preview with #4091CE

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

Preview Lab → · Contrast checker → · Palette generator →

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