#4380BB#4380BB

#4380BB is a mid, moderate cyan. Relative luminance 0.202; OKLCH L 58.6% C 0.111 H 249.6°. Best body text is #000000 at 5.04:1 contrast (WCAG AA passes).

Color values

HEX#4380BB
RGBrgb(67, 128, 187)
HSLhsl(210, 47%, 50%)
HSVhsv(210, 64%, 73%)
CMYKcmyk(64.2%, 31.6%, 0%, 26.7%)
CIE-LABlab(52.08, -1.10, -36.82)
CIE-LCHlch(52.08, 36.84, 268.28°)
OKLaboklab(58.57% -0.0388 -0.104)
OKLCHoklch(58.57% 0.111 249.6)
XYZxyz(19.0002, 20.2176, 49.9051)
Luminance0.2022 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4380BB #BB7E43
analogous
#43BBBA #4380BB #4344BB
triadic
#4380BB #BB4380 #80BB43
tetradic
#4380BB #BA43BB #BB7E43 #44BB43
square
#4380BB #BA43BB #BB7E43 #44BB43
split-complementary
#4380BB #BB4344 #BBBA43
monochromatic
#234261 #33618E #4380BB #709ECC #9DBDDC

Accessibility & contrast

On white

4.16
#4380BB on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.04
#4380BB on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4380BB
5.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4380BB#FFFFFF#000000##000000
##4380BB1.004.165.045.04
#FFFFFF4.161.0021.0021.00
#0000005.0421.001.001.00
##0000005.0421.001.001.00

Color blindness preview

Protanopia (red-blind)
#6683BE
Deuteranopia (green-blind)
#5677BA
Tritanopia (blue-blind)
#008E95
Achromatopsia (no color)
#7C7C7C

Design tokens & code

CSS
--color: #4380bb;
/* rgb */ color: rgb(67, 128, 187);
/* oklch */ color: oklch(58.6% 0.111 249.6);
Tailwind
colors: {
  custom: {
    50: '#83a4cf',
    500: '#4380bb',
    950: '#000000',
  },
}
SCSS
$custom: #4380bb;
$custom-light: #83a4cf;
$custom-dark: #000000;
JSON
{
  "hex": "#4380bb",
  "rgb": {
    "r": 67,
    "g": 128,
    "b": 187
  },
  "hsl": {
    "h": 209.5,
    "s": 47.244,
    "l": 49.804
  },
  "oklch": {
    "l": 0.58572,
    "c": 0.11104,
    "h": 249.6
  },
  "luminance": 0.20219
}

Semantic roles & 50–950 ramp

primary
#4380BB
secondary
#C8AC92
accent
#9351D7
background
#F8FAFC
surface
#F0F4F9
border
#CBCED2
text
#0C0F14
muted
#7D7F82

Preview Lab

Preview with #4380BB

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

Preview Lab → · Contrast checker → · Palette generator →

#4380BB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva