#397FA6#397FA6

#397FA6 is a mid, moderate cyan. Relative luminance 0.188; OKLCH L 56.9% C 0.092 H 236.0°. Best body text is #000000 at 4.76:1 contrast (WCAG AA passes).

Color values

HEX#397FA6
RGBrgb(57, 127, 166)
HSLhsl(201, 49%, 44%)
HSVhsv(201, 66%, 65%)
CMYKcmyk(65.7%, 23.5%, 0%, 34.9%)
CIE-LABlab(50.45, -9.46, -27.28)
CIE-LCHlch(50.45, 28.87, 250.88°)
OKLaboklab(56.87% -0.0516 -0.0765)
OKLCHoklch(56.87% 0.092 236)
XYZxyz(16.1570, 18.8001, 38.8463)
Luminance0.1880 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#397FA6 #A66039
analogous
#39A696 #397FA6 #3948A6
triadic
#397FA6 #A6397F #7FA639
tetradic
#397FA6 #9639A6 #A66039 #48A639
square
#397FA6 #9639A6 #A66039 #48A639
split-complementary
#397FA6 #A63948 #A69639
monochromatic
#1A394B #295C78 #397FA6 #579EC5 #84B8D5

Accessibility & contrast

On white

4.41
#397FA6 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.76
#397FA6 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #397FA6
4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##397FA6#FFFFFF#000000##000000
##397FA61.004.414.764.76
#FFFFFF4.411.0021.0021.00
#0000004.7621.001.001.00
##0000004.7621.001.001.00

Color blindness preview

Protanopia (red-blind)
#6D7EA8
Deuteranopia (green-blind)
#5E73A5
Tritanopia (blue-blind)
#00898C
Achromatopsia (no color)
#787878

Design tokens & code

CSS
--color: #397fa6;
/* rgb */ color: rgb(57, 127, 166);
/* oklch */ color: oklch(56.9% 0.092 236.0);
Tailwind
colors: {
  custom: {
    50: '#7ba4c0',
    500: '#397fa6',
    950: '#000000',
  },
}
SCSS
$custom: #397fa6;
$custom-light: #7ba4c0;
$custom-dark: #000000;
JSON
{
  "hex": "#397fa6",
  "rgb": {
    "r": 57,
    "g": 127,
    "b": 166
  },
  "hsl": {
    "h": 201.468,
    "s": 48.879,
    "l": 43.725
  },
  "oklch": {
    "l": 0.56865,
    "c": 0.09229,
    "h": 236
  },
  "luminance": 0.18802
}

Semantic roles & 50–950 ramp

primary
#397FA6
secondary
#BF947C
accent
#804FD8
background
#F7FAFB
surface
#EEF4F7
border
#C9CED0
text
#0A0F12
muted
#7C7F81

Preview Lab

Preview with #397FA6

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

Preview Lab → · Contrast checker → · Palette generator →

#397FA6 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva