#4380CB#4380CB

#4380CB is a mid, vivid cyan. Relative luminance 0.209; OKLCH L 59.5% C 0.132 H 254.8°. Best body text is #000000 at 5.19:1 contrast (WCAG AA passes).

Color values

HEX#4380CB
RGBrgb(67, 128, 203)
HSLhsl(213, 57%, 53%)
HSVhsv(213, 67%, 80%)
CMYKcmyk(67%, 36.9%, 0%, 20.4%)
CIE-LABlab(52.89, 4.44, -44.68)
CIE-LCHlch(52.89, 44.90, 275.67°)
OKLaboklab(59.46% -0.0345 -0.127)
OKLCHoklch(59.46% 0.132 254.8)
XYZxyz(20.8095, 20.9413, 59.4337)
Luminance0.2094 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4380CB #CB8E43
analogous
#43C4CB #4380CB #4A43CB
triadic
#4380CB #CB4380 #80CB43
tetradic
#4380CB #CB43C4 #CB8E43 #43CB4A
square
#4380CB #CB43C4 #CB8E43 #43CB4A
split-complementary
#4380CB #CB4A43 #C4CB43
monochromatic
#204574 #2D62A4 #4380CB #73A0D8 #A3C1E6

Accessibility & contrast

On white

4.05
#4380CB on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.19
#4380CB on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4380CB
5.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4380CB#FFFFFF#000000##000000
##4380CB1.004.055.195.19
#FFFFFF4.051.0021.0021.00
#0000005.1921.001.001.00
##0000005.1921.001.001.00

Color blindness preview

Protanopia (red-blind)
#5F85CE
Deuteranopia (green-blind)
#4B78C9
Tritanopia (blue-blind)
#00919C
Achromatopsia (no color)
#7E7E7E

Design tokens & code

CSS
--color: #4380cb;
/* rgb */ color: rgb(67, 128, 203);
/* oklch */ color: oklch(59.5% 0.132 254.8);
Tailwind
colors: {
  custom: {
    50: '#85a4db',
    500: '#4380cb',
    950: '#000000',
  },
}
SCSS
$custom: #4380cb;
$custom-light: #85a4db;
$custom-dark: #000000;
JSON
{
  "hex": "#4380cb",
  "rgb": {
    "r": 67,
    "g": 128,
    "b": 203
  },
  "hsl": {
    "h": 213.088,
    "s": 56.667,
    "l": 52.941
  },
  "oklch": {
    "l": 0.59464,
    "c": 0.13159,
    "h": 254.8
  },
  "luminance": 0.20943
}

Semantic roles & 50–950 ramp

primary
#4380CB
secondary
#D2B898
accent
#9C48E0
background
#F8FAFD
surface
#F0F3FB
border
#CBCDD4
text
#0C0F15
muted
#7D7F83

Preview Lab

Preview with #4380CB

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

Preview Lab → · Contrast checker → · Palette generator →

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