#397BAD#397BAD

#397BAD is a mid, moderate cyan. Relative luminance 0.181; OKLCH L 56.3% C 0.103 H 244.1°. Best body text is #000000 at 4.61:1 contrast (WCAG AA passes).

Color values

HEX#397BAD
RGBrgb(57, 123, 173)
HSLhsl(206, 50%, 45%)
HSVhsv(206, 67%, 68%)
CMYKcmyk(67.1%, 28.9%, 0%, 32.2%)
CIE-LABlab(49.56, -4.73, -32.73)
CIE-LCHlch(49.56, 33.07, 261.78°)
OKLaboklab(56.26% -0.0449 -0.0923)
OKLCHoklch(56.26% 0.103 244.1)
XYZxyz(16.3103, 18.0512, 42.1517)
Luminance0.1805 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#397BAD #AD6B39
analogous
#39ADA5 #397BAD #3941AD
triadic
#397BAD #AD397B #7BAD39
tetradic
#397BAD #A539AD #AD6B39 #41AD39
square
#397BAD #A539AD #AD6B39 #41AD39
split-complementary
#397BAD #AD3941 #ADA539
monochromatic
#1B3A51 #2A5A7F #397BAD #5A99C9 #88B6D8

Accessibility & contrast

On white

4.55
#397BAD on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.61
#397BAD on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #397BAD
4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##397BAD#FFFFFF#000000##000000
##397BAD1.004.554.614.61
#FFFFFF4.551.0021.0021.00
#0000004.6121.001.001.00
##0000004.6121.001.001.00

Color blindness preview

Protanopia (red-blind)
#657CAF
Deuteranopia (green-blind)
#5571AC
Tritanopia (blue-blind)
#00878C
Achromatopsia (no color)
#767676

Design tokens & code

CSS
--color: #397bad;
/* rgb */ color: rgb(57, 123, 173);
/* oklch */ color: oklch(56.3% 0.103 244.1);
Tailwind
colors: {
  custom: {
    50: '#7ca1c5',
    500: '#397bad',
    950: '#000000',
  },
}
SCSS
$custom: #397bad;
$custom-light: #7ca1c5;
$custom-dark: #000000;
JSON
{
  "hex": "#397bad",
  "rgb": {
    "r": 57,
    "g": 123,
    "b": 173
  },
  "hsl": {
    "h": 205.862,
    "s": 50.435,
    "l": 45.098
  },
  "oklch": {
    "l": 0.56261,
    "c": 0.10269,
    "h": 244.1
  },
  "luminance": 0.18053
}

Semantic roles & 50–950 ramp

primary
#397BAD
secondary
#C29C80
accent
#8A4EDA
background
#F8F9FC
surface
#EFF2F8
border
#CACCD1
text
#0A0E13
muted
#7C7E82

Preview Lab

Preview with #397BAD

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

Preview Lab → · Contrast checker → · Palette generator →

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