#4187B0#4187B0

#4187B0 is a mid, moderate cyan. Relative luminance 0.216; OKLCH L 59.6% C 0.094 H 237.0°. Best body text is #000000 at 5.32:1 contrast (WCAG AA passes).

Color values

HEX#4187B0
RGBrgb(65, 135, 176)
HSLhsl(202, 46%, 47%)
HSVhsv(202, 63%, 69%)
CMYKcmyk(63.1%, 23.3%, 0%, 31%)
CIE-LABlab(53.58, -9.24, -28.17)
CIE-LCHlch(53.58, 29.65, 251.84°)
OKLaboklab(59.57% -0.0513 -0.079)
OKLCHoklch(59.57% 0.094 237)
XYZxyz(18.6774, 21.5845, 44.2478)
Luminance0.2159 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4187B0 #B06A41
analogous
#41B0A1 #4187B0 #4150B0
triadic
#4187B0 #B04187 #87B041
tetradic
#4187B0 #A141B0 #B06A41 #50B041
square
#4187B0 #A141B0 #B06A41 #50B041
split-complementary
#4187B0 #B04150 #B0A141
monochromatic
#204257 #306583 #4187B0 #67A4C7 #94BFD7

Accessibility & contrast

On white

3.95
#4187B0 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.32
#4187B0 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4187B0
5.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4187B0#FFFFFF#000000##000000
##4187B01.003.955.325.32
#FFFFFF3.951.0021.0021.00
#0000005.3221.001.001.00
##0000005.3221.001.001.00

Color blindness preview

Protanopia (red-blind)
#7486B2
Deuteranopia (green-blind)
#657BAF
Tritanopia (blue-blind)
#009295
Achromatopsia (no color)
#808080

Design tokens & code

CSS
--color: #4187b0;
/* rgb */ color: rgb(65, 135, 176);
/* oklch */ color: oklch(59.6% 0.094 237.0);
Tailwind
colors: {
  custom: {
    50: '#80a9c7',
    500: '#4187b0',
    950: '#000000',
  },
}
SCSS
$custom: #4187b0;
$custom-light: #80a9c7;
$custom-dark: #000000;
JSON
{
  "hex": "#4187b0",
  "rgb": {
    "r": 65,
    "g": 135,
    "b": 176
  },
  "hsl": {
    "h": 202.162,
    "s": 46.058,
    "l": 47.255
  },
  "oklch": {
    "l": 0.59573,
    "c": 0.09419,
    "h": 237
  },
  "luminance": 0.21586
}

Semantic roles & 50–950 ramp

primary
#4187B0
secondary
#C39F8A
accent
#8352D6
background
#F8FAFC
surface
#EFF4F8
border
#CACED1
text
#0B1013
muted
#7C7F82

Preview Lab

Preview with #4187B0

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

Preview Lab → · Contrast checker → · Palette generator →

#4187B0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva