#397AD1#397AD1

#397AD1 is a mid, vivid cyan. Relative luminance 0.194; OKLCH L 58.1% C 0.149 H 256.7°. Best body text is #000000 at 4.88:1 contrast (WCAG AA passes).

Color values

HEX#397AD1
RGBrgb(57, 122, 209)
HSLhsl(214, 62%, 52%)
HSVhsv(214, 73%, 82%)
CMYKcmyk(72.7%, 41.6%, 0%, 18%)
CIE-LABlab(51.14, 8.74, -50.89)
CIE-LCHlch(51.14, 51.63, 279.75°)
OKLaboklab(58.11% -0.0345 -0.1454)
OKLCHoklch(58.11% 0.149 256.7)
XYZxyz(20.1513, 19.3901, 62.9899)
Luminance0.1939 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#397AD1 #D19039
analogous
#39C6D1 #397AD1 #4439D1
triadic
#397AD1 #D1397A #7AD139
tetradic
#397AD1 #D139C6 #D19039 #39D144
square
#397AD1 #D139C6 #D19039 #39D144
split-complementary
#397AD1 #D14439 #C6D139
monochromatic
#1B4175 #275DA6 #397AD1 #6B9BDD #9CBDE8

Accessibility & contrast

On white

4.30
#397AD1 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.88
#397AD1 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #397AD1
4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##397AD1#FFFFFF#000000##000000
##397AD11.004.304.884.88
#FFFFFF4.301.0021.0021.00
#0000004.8821.001.001.00
##0000004.8821.001.001.00

Color blindness preview

Protanopia (red-blind)
#5081D4
Deuteranopia (green-blind)
#3673CF
Tritanopia (blue-blind)
#008E9B
Achromatopsia (no color)
#7A7A7A

Design tokens & code

CSS
--color: #397ad1;
/* rgb */ color: rgb(57, 122, 209);
/* oklch */ color: oklch(58.1% 0.149 256.7);
Tailwind
colors: {
  custom: {
    50: '#829fdf',
    500: '#397ad1',
    950: '#000000',
  },
}
SCSS
$custom: #397ad1;
$custom-light: #829fdf;
$custom-dark: #000000;
JSON
{
  "hex": "#397ad1",
  "rgb": {
    "r": 57,
    "g": 122,
    "b": 209
  },
  "hsl": {
    "h": 214.342,
    "s": 62.295,
    "l": 52.157
  },
  "oklch": {
    "l": 0.58111,
    "c": 0.14945,
    "h": 256.7
  },
  "luminance": 0.19392
}

Semantic roles & 50–950 ramp

primary
#397AD1
secondary
#D4B892
accent
#A042E5
background
#F8F9FD
surface
#F0F2FB
border
#CBCCD4
text
#0C0E15
muted
#7D7E83

Preview Lab

Preview with #397AD1

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

Preview Lab → · Contrast checker → · Palette generator →

#397AD1 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva