#4387B0#4387B0

#4387B0 is a mid, moderate cyan. Relative luminance 0.217; OKLCH L 59.7% C 0.093 H 237.6°. Best body text is #000000 at 5.33:1 contrast (WCAG AA passes).

Color values

HEX#4387B0
RGBrgb(67, 135, 176)
HSLhsl(203, 45%, 48%)
HSVhsv(203, 62%, 69%)
CMYKcmyk(61.9%, 23.3%, 0%, 31%)
CIE-LABlab(53.66, -8.86, -28.05)
CIE-LCHlch(53.66, 29.41, 252.46°)
OKLaboklab(59.65% -0.0499 -0.0786)
OKLCHoklch(59.65% 0.093 237.6)
XYZxyz(18.8122, 21.6540, 44.2541)
Luminance0.2166 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4387B0 #B06C43
analogous
#43B0A3 #4387B0 #4350B0
triadic
#4387B0 #B04387 #87B043
tetradic
#4387B0 #A343B0 #B06C43 #50B043
square
#4387B0 #A343B0 #B06C43 #50B043
split-complementary
#4387B0 #B04350 #B0A343
monochromatic
#214357 #326584 #4387B0 #6AA4C6 #96BFD7

Accessibility & contrast

On white

3.94
#4387B0 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.33
#4387B0 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4387B0
5.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4387B0#FFFFFF#000000##000000
##4387B01.003.945.335.33
#FFFFFF3.941.0021.0021.00
#0000005.3321.001.001.00
##0000005.3321.001.001.00

Color blindness preview

Protanopia (red-blind)
#7486B2
Deuteranopia (green-blind)
#657BAF
Tritanopia (blue-blind)
#009195
Achromatopsia (no color)
#808080

Design tokens & code

CSS
--color: #4387b0;
/* rgb */ color: rgb(67, 135, 176);
/* oklch */ color: oklch(59.7% 0.093 237.6);
Tailwind
colors: {
  custom: {
    50: '#81a9c7',
    500: '#4387b0',
    950: '#000000',
  },
}
SCSS
$custom: #4387b0;
$custom-light: #81a9c7;
$custom-dark: #000000;
JSON
{
  "hex": "#4387b0",
  "rgb": {
    "r": 67,
    "g": 135,
    "b": 176
  },
  "hsl": {
    "h": 202.569,
    "s": 44.856,
    "l": 47.647
  },
  "oklch": {
    "l": 0.59653,
    "c": 0.09311,
    "h": 237.6
  },
  "luminance": 0.21656
}

Semantic roles & 50–950 ramp

primary
#4387B0
secondary
#C3A18C
accent
#8453D5
background
#F8FAFC
surface
#EFF4F8
border
#CACED1
text
#0B1013
muted
#7C7F82

Preview Lab

Preview with #4387B0

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

Preview Lab → · Contrast checker → · Palette generator →

#4387B0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva