#4180CD#4180CD

#4180CD is a mid, vivid cyan. Relative luminance 0.210; OKLCH L 59.5% C 0.135 H 254.8°. Best body text is #000000 at 5.19:1 contrast (WCAG AA passes).

Color values

HEX#4180CD
RGBrgb(65, 128, 205)
HSLhsl(213, 58%, 53%)
HSVhsv(213, 68%, 80%)
CMYKcmyk(68.3%, 37.6%, 0%, 19.6%)
CIE-LABlab(52.91, 4.82, -45.78)
CIE-LCHlch(52.91, 46.03, 276.01°)
OKLaboklab(59.5% -0.0354 -0.1302)
OKLCHoklch(59.5% 0.135 254.8)
XYZxyz(20.9146, 20.9678, 60.6907)
Luminance0.2097 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4180CD #CD8E41
analogous
#41C6CD #4180CD #4841CD
triadic
#4180CD #CD4180 #80CD41
tetradic
#4180CD #CD41C6 #CD8E41 #41CD48
square
#4180CD #CD41C6 #CD8E41 #41CD48
split-complementary
#4180CD #CD4841 #C6CD41
monochromatic
#1F4575 #2C62A5 #4180CD #71A0DA #A2C1E6

Accessibility & contrast

On white

4.04
#4180CD on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.19
#4180CD on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4180CD
5.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4180CD#FFFFFF#000000##000000
##4180CD1.004.045.195.19
#FFFFFF4.041.0021.0021.00
#0000005.1921.001.001.00
##0000005.1921.001.001.00

Color blindness preview

Protanopia (red-blind)
#5D85D0
Deuteranopia (green-blind)
#4978CB
Tritanopia (blue-blind)
#00929D
Achromatopsia (no color)
#7E7E7E

Design tokens & code

CSS
--color: #4180cd;
/* rgb */ color: rgb(65, 128, 205);
/* oklch */ color: oklch(59.5% 0.135 254.8);
Tailwind
colors: {
  custom: {
    50: '#85a4dc',
    500: '#4180cd',
    950: '#000000',
  },
}
SCSS
$custom: #4180cd;
$custom-light: #85a4dc;
$custom-dark: #000000;
JSON
{
  "hex": "#4180cd",
  "rgb": {
    "r": 65,
    "g": 128,
    "b": 205
  },
  "hsl": {
    "h": 213,
    "s": 58.333,
    "l": 52.941
  },
  "oklch": {
    "l": 0.59499,
    "c": 0.13496,
    "h": 254.8
  },
  "luminance": 0.2097
}

Semantic roles & 50–950 ramp

primary
#4180CD
secondary
#D3B897
accent
#9C46E2
background
#F8FAFD
surface
#F0F3FB
border
#CBCDD4
text
#0C0F15
muted
#7D7F83

Preview Lab

Preview with #4180CD

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

Preview Lab → · Contrast checker → · Palette generator →

#4180CD Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva