#4397B1#4397B1

#4397B1 is a light, moderate cyan. Relative luminance 0.265; OKLCH L 63.5% C 0.089 H 221.3°. Best body text is #000000 at 6.30:1 contrast (WCAG AA passes).

Color values

HEX#4397B1
RGBrgb(67, 151, 177)
HSLhsl(194, 45%, 48%)
HSVhsv(194, 62%, 69%)
CMYKcmyk(62.1%, 14.7%, 0%, 30.6%)
CIE-LABlab(58.51, -17.38, -21.15)
CIE-LCHlch(58.51, 27.38, 230.58°)
OKLaboklab(63.53% -0.0671 -0.0589)
OKLCHoklch(63.53% 0.089 221.3)
XYZxyz(21.3140, 26.4987, 45.5779)
Luminance0.2650 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4397B1 #B15D43
analogous
#43B194 #4397B1 #4360B1
triadic
#4397B1 #B14397 #97B143
tetradic
#4397B1 #9443B1 #B15D43 #60B143
square
#4397B1 #9443B1 #B15D43 #60B143
split-complementary
#4397B1 #B14360 #B19443
monochromatic
#214B58 #327185 #4397B1 #6AB1C7 #97C8D8

Accessibility & contrast

On white

3.33
#4397B1 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.30
#4397B1 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4397B1
6.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4397B1#FFFFFF#000000##000000
##4397B11.003.336.306.30
#FFFFFF3.331.0021.0021.00
#0000006.3021.001.001.00
##0000006.3021.001.001.00

Color blindness preview

Protanopia (red-blind)
#8793B2
Deuteranopia (green-blind)
#7888B1
Tritanopia (blue-blind)
#009F9F
Achromatopsia (no color)
#8D8D8D

Design tokens & code

CSS
--color: #4397b1;
/* rgb */ color: rgb(67, 151, 177);
/* oklch */ color: oklch(63.5% 0.089 221.3);
Tailwind
colors: {
  custom: {
    50: '#82b5c8',
    500: '#4397b1',
    950: '#000000',
  },
}
SCSS
$custom: #4397b1;
$custom-light: #82b5c8;
$custom-dark: #000000;
JSON
{
  "hex": "#4397b1",
  "rgb": {
    "r": 67,
    "g": 151,
    "b": 177
  },
  "hsl": {
    "h": 194.182,
    "s": 45.082,
    "l": 47.843
  },
  "oklch": {
    "l": 0.63531,
    "c": 0.08923,
    "h": 221.3
  },
  "luminance": 0.26501
}

Semantic roles & 50–950 ramp

primary
#4397B1
secondary
#C3998C
accent
#7253D5
background
#F8FBFC
surface
#F0F6F8
border
#CBD0D1
text
#0B1113
muted
#7C8082

Preview Lab

Preview with #4397B1

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

Preview Lab → · Contrast checker → · Palette generator →

#4397B1 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva