#4188CD#4188CD

#4188CD is a mid, vivid cyan. Relative luminance 0.231; OKLCH L 61.3% C 0.127 H 250.1°. Best body text is #000000 at 5.63:1 contrast (WCAG AA passes).

Color values

HEX#4188CD
RGBrgb(65, 136, 205)
HSLhsl(210, 58%, 53%)
HSVhsv(210, 68%, 80%)
CMYKcmyk(68.3%, 33.7%, 0%, 19.6%)
CIE-LABlab(55.21, 0.04, -42.14)
CIE-LCHlch(55.21, 42.14, 270.05°)
OKLaboklab(61.3% -0.0433 -0.1195)
OKLCHoklch(61.3% 0.127 250.1)
XYZxyz(21.9995, 23.1376, 61.0524)
Luminance0.2314 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4188CD #CD8641
analogous
#41CDCC #4188CD #4142CD
triadic
#4188CD #CD4188 #88CD41
tetradic
#4188CD #CC41CD #CD8641 #42CD41
square
#4188CD #CC41CD #CD8641 #42CD41
split-complementary
#4188CD #CD4142 #CDCC41
monochromatic
#1F4A75 #2C69A5 #4188CD #71A6DA #A2C5E6

Accessibility & contrast

On white

3.73
#4188CD on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.63
#4188CD on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4188CD
5.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4188CD#FFFFFF#000000##000000
##4188CD1.003.735.635.63
#FFFFFF3.731.0021.0021.00
#0000005.6321.001.001.00
##0000005.6321.001.001.00

Color blindness preview

Protanopia (red-blind)
#698BD0
Deuteranopia (green-blind)
#567ECC
Tritanopia (blue-blind)
#0098A1
Achromatopsia (no color)
#848484

Design tokens & code

CSS
--color: #4188cd;
/* rgb */ color: rgb(65, 136, 205);
/* oklch */ color: oklch(61.3% 0.127 250.1);
Tailwind
colors: {
  custom: {
    50: '#85aadc',
    500: '#4188cd',
    950: '#000000',
  },
}
SCSS
$custom: #4188cd;
$custom-light: #85aadc;
$custom-dark: #000000;
JSON
{
  "hex": "#4188cd",
  "rgb": {
    "r": 65,
    "g": 136,
    "b": 205
  },
  "hsl": {
    "h": 209.571,
    "s": 58.333,
    "l": 52.941
  },
  "oklch": {
    "l": 0.61299,
    "c": 0.12708,
    "h": 250.1
  },
  "luminance": 0.2314
}

Semantic roles & 50–950 ramp

primary
#4188CD
secondary
#D3B497
accent
#9346E2
background
#F8FAFD
surface
#F0F4FB
border
#CBCED4
text
#0C1015
muted
#7D7F83

Preview Lab

Preview with #4188CD

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

Preview Lab → · Contrast checker → · Palette generator →

#4188CD Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva