#397ACF#397ACF

#397ACF is a mid, vivid cyan. Relative luminance 0.193; OKLCH L 58.0% C 0.147 H 256.3°. Best body text is #000000 at 4.86:1 contrast (WCAG AA passes).

Color values

HEX#397ACF
RGBrgb(57, 122, 207)
HSLhsl(214, 61%, 52%)
HSVhsv(214, 72%, 81%)
CMYKcmyk(72.5%, 41.1%, 0%, 18.8%)
CIE-LABlab(51.03, 8.02, -49.93)
CIE-LCHlch(51.03, 50.57, 279.12°)
OKLaboklab(57.99% -0.0349 -0.1426)
OKLCHoklch(57.99% 0.147 256.3)
XYZxyz(19.9052, 19.2917, 61.6940)
Luminance0.1929 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#397ACF #CF8E39
analogous
#39C5CF #397ACF #4339CF
triadic
#397ACF #CF397A #7ACF39
tetradic
#397ACF #CF39C5 #CF8E39 #39CF43
square
#397ACF #CF39C5 #CF8E39 #39CF43
split-complementary
#397ACF #CF4339 #C5CF39
monochromatic
#1C4172 #285DA3 #397ACF #6A9BDB #9CBCE7

Accessibility & contrast

On white

4.32
#397ACF on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.86
#397ACF on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #397ACF
4.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##397ACF#FFFFFF#000000##000000
##397ACF1.004.324.864.86
#FFFFFF4.321.0021.0021.00
#0000004.8621.001.001.00
##0000004.8621.001.001.00

Color blindness preview

Protanopia (red-blind)
#5181D2
Deuteranopia (green-blind)
#3973CD
Tritanopia (blue-blind)
#008E9A
Achromatopsia (no color)
#7A7A7A

Design tokens & code

CSS
--color: #397acf;
/* rgb */ color: rgb(57, 122, 207);
/* oklch */ color: oklch(58.0% 0.147 256.3);
Tailwind
colors: {
  custom: {
    50: '#829fde',
    500: '#397acf',
    950: '#000000',
  },
}
SCSS
$custom: #397acf;
$custom-light: #829fde;
$custom-dark: #000000;
JSON
{
  "hex": "#397acf",
  "rgb": {
    "r": 57,
    "g": 122,
    "b": 207
  },
  "hsl": {
    "h": 214,
    "s": 60.976,
    "l": 51.765
  },
  "oklch": {
    "l": 0.57986,
    "c": 0.14683,
    "h": 256.3
  },
  "luminance": 0.19294
}

Semantic roles & 50–950 ramp

primary
#397ACF
secondary
#D3B691
accent
#9F44E4
background
#F8F9FD
surface
#F0F2FB
border
#CBCCD4
text
#0C0E15
muted
#7D7E83

Preview Lab

Preview with #397ACF

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

Preview Lab → · Contrast checker → · Palette generator →

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