#397AC8#397AC8

#397AC8 is a mid, vivid cyan. Relative luminance 0.190; OKLCH L 57.6% C 0.138 H 254.6°. Best body text is #000000 at 4.79:1 contrast (WCAG AA passes).

Color values

HEX#397AC8
RGBrgb(57, 122, 200)
HSLhsl(213, 57%, 50%)
HSVhsv(213, 72%, 78%)
CMYKcmyk(71.5%, 39%, 0%, 21.6%)
CIE-LABlab(50.64, 5.48, -46.57)
CIE-LCHlch(50.64, 46.89, 276.71°)
OKLaboklab(57.56% -0.0365 -0.1327)
OKLCHoklch(57.56% 0.138 254.6)
XYZxyz(19.0684, 18.9570, 57.2865)
Luminance0.1896 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#397AC8 #C88739
analogous
#39C2C8 #397AC8 #3F39C8
triadic
#397AC8 #C8397A #7AC839
tetradic
#397AC8 #C839C2 #C88739 #39C83F
square
#397AC8 #C839C2 #C88739 #39C83F
split-complementary
#397AC8 #C83F39 #C2C839
monochromatic
#1D4069 #2B5D99 #397AC8 #699AD5 #99BAE3

Accessibility & contrast

On white

4.38
#397AC8 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.79
#397AC8 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #397AC8
4.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##397AC8#FFFFFF#000000##000000
##397AC81.004.384.794.79
#FFFFFF4.381.0021.0021.00
#0000004.7921.001.001.00
##0000004.7921.001.001.00

Color blindness preview

Protanopia (red-blind)
#5680CB
Deuteranopia (green-blind)
#4072C6
Tritanopia (blue-blind)
#008C97
Achromatopsia (no color)
#797979

Design tokens & code

CSS
--color: #397ac8;
/* rgb */ color: rgb(57, 122, 200);
/* oklch */ color: oklch(57.6% 0.138 254.6);
Tailwind
colors: {
  custom: {
    50: '#81a0d9',
    500: '#397ac8',
    950: '#000000',
  },
}
SCSS
$custom: #397ac8;
$custom-light: #81a0d9;
$custom-dark: #000000;
JSON
{
  "hex": "#397ac8",
  "rgb": {
    "r": 57,
    "g": 122,
    "b": 200
  },
  "hsl": {
    "h": 212.727,
    "s": 56.522,
    "l": 50.392
  },
  "oklch": {
    "l": 0.57556,
    "c": 0.13766,
    "h": 254.6
  },
  "luminance": 0.18959
}

Semantic roles & 50–950 ramp

primary
#397AC8
secondary
#CEB18F
accent
#9B48E0
background
#F8F9FD
surface
#F0F2FA
border
#CBCCD3
text
#0C0E14
muted
#7D7E83

Preview Lab

Preview with #397AC8

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

Preview Lab → · Contrast checker → · Palette generator →

#397AC8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva