#397CC7#397CC7

#397CC7 is a mid, vivid cyan. Relative luminance 0.194; OKLCH L 57.9% C 0.134 H 253.3°. Best body text is #000000 at 4.88:1 contrast (WCAG AA passes).

Color values

HEX#397CC7
RGBrgb(57, 124, 199)
HSLhsl(212, 56%, 50%)
HSVhsv(212, 71%, 78%)
CMYKcmyk(71.4%, 37.7%, 0%, 22%)
CIE-LABlab(51.16, 3.90, -45.17)
CIE-LCHlch(51.16, 45.33, 274.93°)
OKLaboklab(57.95% -0.0386 -0.1286)
OKLCHoklch(57.95% 0.134 253.3)
XYZxyz(19.2000, 19.4066, 56.7557)
Luminance0.1941 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#397CC7 #C78439
analogous
#39C3C7 #397CC7 #3D39C7
triadic
#397CC7 #C7397C #7CC739
tetradic
#397CC7 #C739C3 #C78439 #39C73D
square
#397CC7 #C739C3 #C78439 #39C73D
split-complementary
#397CC7 #C73D39 #C3C739
monochromatic
#1D4168 #2B5E98 #397CC7 #699CD4 #98BBE2

Accessibility & contrast

On white

4.30
#397CC7 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.88
#397CC7 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #397CC7
4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##397CC7#FFFFFF#000000##000000
##397CC71.004.304.884.88
#FFFFFF4.301.0021.0021.00
#0000004.8821.001.001.00
##0000004.8821.001.001.00

Color blindness preview

Protanopia (red-blind)
#5A81CA
Deuteranopia (green-blind)
#4474C6
Tritanopia (blue-blind)
#008E98
Achromatopsia (no color)
#7A7A7A

Design tokens & code

CSS
--color: #397cc7;
/* rgb */ color: rgb(57, 124, 199);
/* oklch */ color: oklch(57.9% 0.134 253.3);
Tailwind
colors: {
  custom: {
    50: '#80a1d8',
    500: '#397cc7',
    950: '#000000',
  },
}
SCSS
$custom: #397cc7;
$custom-light: #80a1d8;
$custom-dark: #000000;
JSON
{
  "hex": "#397cc7",
  "rgb": {
    "r": 57,
    "g": 124,
    "b": 199
  },
  "hsl": {
    "h": 211.69,
    "s": 55.906,
    "l": 50.196
  },
  "oklch": {
    "l": 0.57946,
    "c": 0.13426,
    "h": 253.3
  },
  "luminance": 0.19409
}

Semantic roles & 50–950 ramp

primary
#397CC7
secondary
#CEB08E
accent
#9849DF
background
#F8F9FD
surface
#F0F2FA
border
#CBCCD3
text
#0C0E14
muted
#7D7E83

Preview Lab

Preview with #397CC7

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

Preview Lab → · Contrast checker → · Palette generator →

#397CC7 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva