#397AC9#397AC9

#397AC9 is a mid, vivid cyan. Relative luminance 0.190; OKLCH L 57.6% C 0.139 H 254.9°. Best body text is #000000 at 4.80:1 contrast (WCAG AA passes).

Color values

HEX#397AC9
RGBrgb(57, 122, 201)
HSLhsl(213, 57%, 51%)
HSVhsv(213, 72%, 79%)
CMYKcmyk(71.6%, 39.3%, 0%, 21.2%)
CIE-LABlab(50.69, 5.84, -47.05)
CIE-LCHlch(50.69, 47.41, 277.07°)
OKLaboklab(57.62% -0.0362 -0.1342)
OKLCHoklch(57.62% 0.139 254.9)
XYZxyz(19.1856, 19.0039, 57.9040)
Luminance0.1901 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#397AC9 #C98839
analogous
#39C2C9 #397AC9 #4039C9
triadic
#397AC9 #C9397A #7AC939
tetradic
#397AC9 #C939C2 #C98839 #39C940
square
#397AC9 #C939C2 #C98839 #39C940
split-complementary
#397AC9 #C94039 #C2C939
monochromatic
#1D406B #2A5D9B #397AC9 #699AD6 #99BBE3

Accessibility & contrast

On white

4.37
#397AC9 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.80
#397AC9 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #397AC9
4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##397AC9#FFFFFF#000000##000000
##397AC91.004.374.804.80
#FFFFFF4.371.0021.0021.00
#0000004.8021.001.001.00
##0000004.8021.001.001.00

Color blindness preview

Protanopia (red-blind)
#5580CC
Deuteranopia (green-blind)
#3F73C7
Tritanopia (blue-blind)
#008C98
Achromatopsia (no color)
#797979

Design tokens & code

CSS
--color: #397ac9;
/* rgb */ color: rgb(57, 122, 201);
/* oklch */ color: oklch(57.6% 0.139 254.9);
Tailwind
colors: {
  custom: {
    50: '#81a0da',
    500: '#397ac9',
    950: '#000000',
  },
}
SCSS
$custom: #397ac9;
$custom-light: #81a0da;
$custom-dark: #000000;
JSON
{
  "hex": "#397ac9",
  "rgb": {
    "r": 57,
    "g": 122,
    "b": 201
  },
  "hsl": {
    "h": 212.917,
    "s": 57.143,
    "l": 50.588
  },
  "oklch": {
    "l": 0.57616,
    "c": 0.13897,
    "h": 254.9
  },
  "luminance": 0.19006
}

Semantic roles & 50–950 ramp

primary
#397AC9
secondary
#CFB28F
accent
#9B47E0
background
#F8F9FD
surface
#F0F2FB
border
#CBCCD4
text
#0C0E15
muted
#7D7E83

Preview Lab

Preview with #397AC9

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

Preview Lab → · Contrast checker → · Palette generator →

#397AC9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva