#397E9E#397E9E

#397E9E is a mid, moderate cyan. Relative luminance 0.183; OKLCH L 56.2% C 0.085 H 231.0°. Best body text is #000000 at 4.65:1 contrast (WCAG AA passes).

Color values

HEX#397E9E
RGBrgb(57, 126, 158)
HSLhsl(199, 47%, 42%)
HSVhsv(199, 64%, 62%)
CMYKcmyk(63.9%, 20.3%, 0%, 38%)
CIE-LABlab(49.81, -11.56, -23.62)
CIE-LCHlch(49.81, 26.30, 243.91°)
OKLaboklab(56.24% -0.0534 -0.066)
OKLCHoklch(56.24% 0.085 231)
XYZxyz(15.3173, 18.2586, 35.0582)
Luminance0.1826 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#397E9E #9E5939
analogous
#399E8C #397E9E #394B9E
triadic
#397E9E #9E397E #7E9E39
tetradic
#397E9E #8C399E #9E5939 #4B9E39
square
#397E9E #8C399E #9E5939 #4B9E39
split-complementary
#397E9E #9E394B #9E8C39
monochromatic
#193644 #295A71 #397E9E #539EC1 #80B8D1

Accessibility & contrast

On white

4.51
#397E9E on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.65
#397E9E on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #397E9E
4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##397E9E#FFFFFF#000000##000000
##397E9E1.004.514.654.65
#FFFFFF4.511.0021.0021.00
#0000004.6521.001.001.00
##0000004.6521.001.001.00

Color blindness preview

Protanopia (red-blind)
#6E7CA0
Deuteranopia (green-blind)
#60729E
Tritanopia (blue-blind)
#008789
Achromatopsia (no color)
#767676

Design tokens & code

CSS
--color: #397e9e;
/* rgb */ color: rgb(57, 126, 158);
/* oklch */ color: oklch(56.2% 0.085 231.0);
Tailwind
colors: {
  custom: {
    50: '#7aa3ba',
    500: '#397e9e',
    950: '#000000',
  },
}
SCSS
$custom: #397e9e;
$custom-light: #7aa3ba;
$custom-dark: #000000;
JSON
{
  "hex": "#397e9e",
  "rgb": {
    "r": 57,
    "g": 126,
    "b": 158
  },
  "hsl": {
    "h": 199.01,
    "s": 46.977,
    "l": 42.157
  },
  "oklch": {
    "l": 0.56241,
    "c": 0.08494,
    "h": 231
  },
  "luminance": 0.1826
}

Semantic roles & 50–950 ramp

primary
#397E9E
secondary
#BB8D78
accent
#7B51D7
background
#F7FAFB
surface
#EEF3F6
border
#C9CDD0
text
#0A0F11
muted
#7C7F80

Preview Lab

Preview with #397E9E

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

Preview Lab → · Contrast checker → · Palette generator →

#397E9E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva