#397CA5#397CA5

#397CA5 is a mid, moderate cyan. Relative luminance 0.180; OKLCH L 56.1% C 0.093 H 238.4°. Best body text is #000000 at 4.60:1 contrast (WCAG AA passes).

Color values

HEX#397CA5
RGBrgb(57, 124, 165)
HSLhsl(203, 49%, 44%)
HSVhsv(203, 65%, 65%)
CMYKcmyk(65.5%, 24.8%, 0%, 35.3%)
CIE-LABlab(49.50, -8.06, -28.18)
CIE-LCHlch(49.50, 29.31, 254.03°)
OKLaboklab(56.09% -0.0487 -0.0792)
OKLCHoklch(56.09% 0.093 238.4)
XYZxyz(15.6839, 18.0002, 38.2378)
Luminance0.1800 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#397CA5 #A56239
analogous
#39A598 #397CA5 #3946A5
triadic
#397CA5 #A5397C #7CA539
tetradic
#397CA5 #9839A5 #A56239 #46A539
square
#397CA5 #9839A5 #A56239 #46A539
split-complementary
#397CA5 #A53946 #A59839
monochromatic
#1A384A #295A78 #397CA5 #569BC5 #84B6D4

Accessibility & contrast

On white

4.56
#397CA5 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.60
#397CA5 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #397CA5
4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##397CA5#FFFFFF#000000##000000
##397CA51.004.564.604.60
#FFFFFF4.561.0021.0021.00
#0000004.6021.001.001.00
##0000004.6021.001.001.00

Color blindness preview

Protanopia (red-blind)
#697CA7
Deuteranopia (green-blind)
#5A71A4
Tritanopia (blue-blind)
#00868A
Achromatopsia (no color)
#767676

Design tokens & code

CSS
--color: #397ca5;
/* rgb */ color: rgb(57, 124, 165);
/* oklch */ color: oklch(56.1% 0.093 238.4);
Tailwind
colors: {
  custom: {
    50: '#7ba1c0',
    500: '#397ca5',
    950: '#000000',
  },
}
SCSS
$custom: #397ca5;
$custom-light: #7ba1c0;
$custom-dark: #000000;
JSON
{
  "hex": "#397ca5",
  "rgb": {
    "r": 57,
    "g": 124,
    "b": 165
  },
  "hsl": {
    "h": 202.778,
    "s": 48.649,
    "l": 43.529
  },
  "oklch": {
    "l": 0.56092,
    "c": 0.09294,
    "h": 238.4
  },
  "luminance": 0.18002
}

Semantic roles & 50–950 ramp

primary
#397CA5
secondary
#BE957B
accent
#8350D8
background
#F7F9FB
surface
#EEF2F7
border
#C9CCD0
text
#0A0F12
muted
#7C7E81

Preview Lab

Preview with #397CA5

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

Preview Lab → · Contrast checker → · Palette generator →

#397CA5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva