#4191CB#4191CB

#4191CB is a light, moderate cyan. Relative luminance 0.257; OKLCH L 63.3% C 0.117 H 243.2°. Best body text is #000000 at 6.14:1 contrast (WCAG AA passes).

Color values

HEX#4191CB
RGBrgb(65, 145, 203)
HSLhsl(205, 57%, 53%)
HSVhsv(205, 68%, 80%)
CMYKcmyk(68%, 28.6%, 0%, 20.4%)
CIE-LABlab(57.74, -5.88, -37.05)
CIE-LCHlch(57.74, 37.51, 260.97°)
OKLaboklab(63.25% -0.0528 -0.1046)
OKLCHoklch(63.25% 0.117 243.2)
XYZxyz(23.0808, 25.6840, 60.2294)
Luminance0.2569 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4191CB #CB7B41
analogous
#41CBC0 #4191CB #414CCB
triadic
#4191CB #CB4191 #91CB41
tetradic
#4191CB #C041CB #CB7B41 #4CCB41
square
#4191CB #C041CB #CB7B41 #4CCB41
split-complementary
#4191CB #CB414C #CBC041
monochromatic
#1F4F72 #2C71A2 #4191CB #71ADD8 #A1C9E5

Accessibility & contrast

On white

3.42
#4191CB on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.14
#4191CB on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4191CB
6.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4191CB#FFFFFF#000000##000000
##4191CB1.003.426.146.14
#FFFFFF3.421.0021.0021.00
#0000006.1421.001.001.00
##0000006.1421.001.001.00

Color blindness preview

Protanopia (red-blind)
#7792CE
Deuteranopia (green-blind)
#6485CA
Tritanopia (blue-blind)
#009FA5
Achromatopsia (no color)
#8B8B8B

Design tokens & code

CSS
--color: #4191cb;
/* rgb */ color: rgb(65, 145, 203);
/* oklch */ color: oklch(63.3% 0.117 243.2);
Tailwind
colors: {
  custom: {
    50: '#85b1db',
    500: '#4191cb',
    950: '#000000',
  },
}
SCSS
$custom: #4191cb;
$custom-light: #85b1db;
$custom-dark: #000000;
JSON
{
  "hex": "#4191cb",
  "rgb": {
    "r": 65,
    "g": 145,
    "b": 203
  },
  "hsl": {
    "h": 205.217,
    "s": 57.025,
    "l": 52.549
  },
  "oklch": {
    "l": 0.63254,
    "c": 0.11715,
    "h": 243.2
  },
  "luminance": 0.25686
}

Semantic roles & 50–950 ramp

primary
#4191CB
secondary
#D2AF96
accent
#8848E0
background
#F8FAFD
surface
#F0F4FB
border
#CBCED4
text
#0C1015
muted
#7D7F83

Preview Lab

Preview with #4191CB

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

Preview Lab → · Contrast checker → · Palette generator →

#4191CB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva