#397A9D#397A9D

#397A9D is a mid, moderate cyan. Relative luminance 0.172; OKLCH L 55.2% C 0.086 H 234.8°. Best body text is #FFFFFF at 4.72:1 contrast (WCAG AA passes).

Color values

HEX#397A9D
RGBrgb(57, 122, 157)
HSLhsl(201, 47%, 42%)
HSVhsv(201, 64%, 62%)
CMYKcmyk(63.7%, 22.3%, 0%, 38.4%)
CIE-LABlab(48.54, -9.61, -25.00)
CIE-LCHlch(48.54, 26.78, 248.97°)
OKLaboklab(55.22% -0.0493 -0.07)
OKLCHoklch(55.22% 0.086 234.8)
XYZxyz(14.7303, 17.2218, 34.4396)
Luminance0.1722 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#397A9D #9D5C39
analogous
#399D8E #397A9D #39489D
triadic
#397A9D #9D397A #7A9D39
tetradic
#397A9D #8E399D #9D5C39 #489D39
square
#397A9D #8E399D #9D5C39 #489D39
split-complementary
#397A9D #9D3948 #9D8E39
monochromatic
#183443 #295770 #397A9D #539AC0 #80B4D1

Accessibility & contrast

On white

4.72
#397A9D on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.44
#397A9D on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #397A9D
4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##397A9D#FFFFFF#000000##FFFFFF
##397A9D1.004.724.444.72
#FFFFFF4.721.0021.001.00
#0000004.4421.001.0021.00
##FFFFFF4.721.0021.001.00

Color blindness preview

Protanopia (red-blind)
#69799F
Deuteranopia (green-blind)
#5B6F9C
Tritanopia (blue-blind)
#008386
Achromatopsia (no color)
#737373

Design tokens & code

CSS
--color: #397a9d;
/* rgb */ color: rgb(57, 122, 157);
/* oklch */ color: oklch(55.2% 0.086 234.8);
Tailwind
colors: {
  custom: {
    50: '#7aa0ba',
    500: '#397a9d',
    950: '#000000',
  },
}
SCSS
$custom: #397a9d;
$custom-light: #7aa0ba;
$custom-dark: #000000;
JSON
{
  "hex": "#397a9d",
  "rgb": {
    "r": 57,
    "g": 122,
    "b": 157
  },
  "hsl": {
    "h": 201,
    "s": 46.729,
    "l": 41.961
  },
  "oklch": {
    "l": 0.55217,
    "c": 0.08565,
    "h": 234.8
  },
  "luminance": 0.17223
}

Semantic roles & 50–950 ramp

primary
#397A9D
secondary
#BA8F78
accent
#8051D6
background
#F7F9FB
surface
#EEF2F6
border
#C9CCD0
text
#0A0E11
muted
#7C7E80

Preview Lab

Preview with #397A9D

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

Preview Lab → · Contrast checker → · Palette generator →

#397A9D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva