#397DA5#397DA5

#397DA5 is a mid, moderate cyan. Relative luminance 0.183; OKLCH L 56.3% C 0.092 H 237.4°. Best body text is #000000 at 4.65:1 contrast (WCAG AA passes).

Color values

HEX#397DA5
RGBrgb(57, 125, 165)
HSLhsl(202, 49%, 44%)
HSVhsv(202, 65%, 65%)
CMYKcmyk(65.5%, 24.2%, 0%, 35.3%)
CIE-LABlab(49.80, -8.64, -27.71)
CIE-LCHlch(49.80, 29.02, 252.67°)
OKLaboklab(56.33% -0.0498 -0.0778)
OKLCHoklch(56.33% 0.092 237.4)
XYZxyz(15.8099, 18.2521, 38.2798)
Luminance0.1825 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#397DA5 #A56139
analogous
#39A597 #397DA5 #3947A5
triadic
#397DA5 #A5397D #7DA539
tetradic
#397DA5 #9739A5 #A56139 #47A539
square
#397DA5 #9739A5 #A56139 #47A539
split-complementary
#397DA5 #A53947 #A59739
monochromatic
#1A384A #295B78 #397DA5 #569CC5 #84B7D4

Accessibility & contrast

On white

4.52
#397DA5 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.65
#397DA5 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #397DA5
4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##397DA5#FFFFFF#000000##000000
##397DA51.004.524.654.65
#FFFFFF4.521.0021.0021.00
#0000004.6521.001.001.00
##0000004.6521.001.001.00

Color blindness preview

Protanopia (red-blind)
#6A7CA7
Deuteranopia (green-blind)
#5B72A4
Tritanopia (blue-blind)
#00878B
Achromatopsia (no color)
#767676

Design tokens & code

CSS
--color: #397da5;
/* rgb */ color: rgb(57, 125, 165);
/* oklch */ color: oklch(56.3% 0.092 237.4);
Tailwind
colors: {
  custom: {
    50: '#7ba2c0',
    500: '#397da5',
    950: '#000000',
  },
}
SCSS
$custom: #397da5;
$custom-light: #7ba2c0;
$custom-dark: #000000;
JSON
{
  "hex": "#397da5",
  "rgb": {
    "r": 57,
    "g": 125,
    "b": 165
  },
  "hsl": {
    "h": 202.222,
    "s": 48.649,
    "l": 43.529
  },
  "oklch": {
    "l": 0.56333,
    "c": 0.09235,
    "h": 237.4
  },
  "luminance": 0.18254
}

Semantic roles & 50–950 ramp

primary
#397DA5
secondary
#BE947B
accent
#8250D8
background
#F7F9FB
surface
#EEF2F7
border
#C9CCD0
text
#0A0F12
muted
#7C7E81

Preview Lab

Preview with #397DA5

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

Preview Lab → · Contrast checker → · Palette generator →

#397DA5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva