#4397BF#4397BF

#4397BF is a light, moderate cyan. Relative luminance 0.271; OKLCH L 64.1% C 0.100 H 232.0°. Best body text is #000000 at 6.42:1 contrast (WCAG AA passes).

Color values

HEX#4397BF
RGBrgb(67, 151, 191)
HSLhsl(199, 49%, 51%)
HSVhsv(199, 65%, 75%)
CMYKcmyk(64.9%, 20.9%, 0%, 25.1%)
CIE-LABlab(59.05, -12.92, -28.23)
CIE-LCHlch(59.05, 31.04, 245.41°)
OKLaboklab(64.15% -0.0618 -0.079)
OKLCHoklch(64.15% 0.1 232)
XYZxyz(22.7816, 27.0857, 53.3076)
Luminance0.2709 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4397BF #BF6B43
analogous
#43BFA9 #4397BF #4359BF
triadic
#4397BF #BF4397 #97BF43
tetradic
#4397BF #A943BF #BF6B43 #59BF43
square
#4397BF #A943BF #BF6B43 #59BF43
split-complementary
#4397BF #BF4359 #BFA943
monochromatic
#225065 #327493 #4397BF #71B0CF #9ECADE

Accessibility & contrast

On white

3.27
#4397BF on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.42
#4397BF on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4397BF
6.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4397BF#FFFFFF#000000##000000
##4397BF1.003.276.426.42
#FFFFFF3.271.0021.0021.00
#0000006.4221.001.001.00
##0000006.4221.001.001.00

Color blindness preview

Protanopia (red-blind)
#8395C1
Deuteranopia (green-blind)
#7289BE
Tritanopia (blue-blind)
#00A2A4
Achromatopsia (no color)
#8E8E8E

Design tokens & code

CSS
--color: #4397bf;
/* rgb */ color: rgb(67, 151, 191);
/* oklch */ color: oklch(64.1% 0.100 232.0);
Tailwind
colors: {
  custom: {
    50: '#84b5d2',
    500: '#4397bf',
    950: '#000000',
  },
}
SCSS
$custom: #4397bf;
$custom-light: #84b5d2;
$custom-dark: #000000;
JSON
{
  "hex": "#4397bf",
  "rgb": {
    "r": 67,
    "g": 151,
    "b": 191
  },
  "hsl": {
    "h": 199.355,
    "s": 49.206,
    "l": 50.588
  },
  "oklch": {
    "l": 0.64147,
    "c": 0.10033,
    "h": 232
  },
  "luminance": 0.27088
}

Semantic roles & 50–950 ramp

primary
#4397BF
secondary
#CAA593
accent
#7B4FD9
background
#F8FBFC
surface
#F0F6F9
border
#CBD0D2
text
#0C1114
muted
#7D8082

Preview Lab

Preview with #4397BF

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

Preview Lab → · Contrast checker → · Palette generator →

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