#4181CE#4181CE

#4181CE is a mid, vivid cyan. Relative luminance 0.213; OKLCH L 59.8% C 0.135 H 254.5°. Best body text is #000000 at 5.26:1 contrast (WCAG AA passes).

Color values

HEX#4181CE
RGBrgb(65, 129, 206)
HSLhsl(213, 59%, 53%)
HSVhsv(213, 68%, 81%)
CMYKcmyk(68.4%, 37.4%, 0%, 19.2%)
CIE-LABlab(53.25, 4.57, -45.81)
CIE-LCHlch(53.25, 46.03, 275.69°)
OKLaboklab(59.78% -0.0362 -0.1303)
OKLCHoklch(59.78% 0.135 254.5)
XYZxyz(21.1667, 21.2784, 61.3722)
Luminance0.2128 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4181CE #CE8E41
analogous
#41C7CE #4181CE #4741CE
triadic
#4181CE #CE4181 #81CE41
tetradic
#4181CE #CE41C7 #CE8E41 #41CE47
square
#4181CE #CE41C7 #CE8E41 #41CE47
split-complementary
#4181CE #CE4741 #C7CE41
monochromatic
#1E4676 #2B63A7 #4181CE #72A1DB #A2C2E7

Accessibility & contrast

On white

4.00
#4181CE on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.26
#4181CE on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4181CE
5.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4181CE#FFFFFF#000000##000000
##4181CE1.004.005.265.26
#FFFFFF4.001.0021.0021.00
#0000005.2621.001.001.00
##0000005.2621.001.001.00

Color blindness preview

Protanopia (red-blind)
#5E86D1
Deuteranopia (green-blind)
#4A79CC
Tritanopia (blue-blind)
#00939E
Achromatopsia (no color)
#7F7F7F

Design tokens & code

CSS
--color: #4181ce;
/* rgb */ color: rgb(65, 129, 206);
/* oklch */ color: oklch(59.8% 0.135 254.5);
Tailwind
colors: {
  custom: {
    50: '#85a5dd',
    500: '#4181ce',
    950: '#000000',
  },
}
SCSS
$custom: #4181ce;
$custom-light: #85a5dd;
$custom-dark: #000000;
JSON
{
  "hex": "#4181ce",
  "rgb": {
    "r": 65,
    "g": 129,
    "b": 206
  },
  "hsl": {
    "h": 212.766,
    "s": 58.996,
    "l": 53.137
  },
  "oklch": {
    "l": 0.59781,
    "c": 0.13522,
    "h": 254.5
  },
  "luminance": 0.21281
}

Semantic roles & 50–950 ramp

primary
#4181CE
secondary
#D4B897
accent
#9B46E2
background
#F8FAFD
surface
#F0F4FB
border
#CBCED4
text
#0C0F15
muted
#7D7F83

Preview Lab

Preview with #4181CE

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

Preview Lab → · Contrast checker → · Palette generator →

#4181CE Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva