#397EDE#397EDE

#397EDE is a mid, vivid cyan. Relative luminance 0.211; OKLCH L 59.8% C 0.162 H 257.4°. Best body text is #000000 at 5.21:1 contrast (WCAG AA passes).

Color values

HEX#397EDE
RGBrgb(57, 126, 222)
HSLhsl(215, 71%, 55%)
HSVhsv(215, 74%, 87%)
CMYKcmyk(74.3%, 43.2%, 0%, 12.9%)
CIE-LABlab(53.02, 11.02, -55.23)
CIE-LCHlch(53.02, 56.32, 281.29°)
OKLaboklab(59.81% -0.0353 -0.1581)
OKLCHoklch(59.81% 0.162 257.4)
XYZxyz(22.3282, 21.0630, 71.9819)
Luminance0.2107 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#397EDE #DE9939
analogous
#39D1DE #397EDE #4639DE
triadic
#397EDE #DE397E #7EDE39
tetradic
#397EDE #DE39D1 #DE9939 #39DE46
square
#397EDE #DE39D1 #DE9939 #39DE46
split-complementary
#397EDE #DE4639 #D1DE39
monochromatic
#164586 #1F60BB #397EDE #6DA0E7 #A2C2EF

Accessibility & contrast

On white

4.03
#397EDE on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.21
#397EDE on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #397EDE
5.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##397EDE#FFFFFF#000000##000000
##397EDE1.004.035.215.21
#FFFFFF4.031.0021.0021.00
#0000005.2121.001.001.00
##0000005.2121.001.001.00

Color blindness preview

Protanopia (red-blind)
#4E87E2
Deuteranopia (green-blind)
#2F78DC
Tritanopia (blue-blind)
#0095A3
Achromatopsia (no color)
#7F7F7F

Design tokens & code

CSS
--color: #397ede;
/* rgb */ color: rgb(57, 126, 222);
/* oklch */ color: oklch(59.8% 0.162 257.4);
Tailwind
colors: {
  custom: {
    50: '#85a2e9',
    500: '#397ede',
    950: '#000000',
  },
}
SCSS
$custom: #397ede;
$custom-light: #85a2e9;
$custom-dark: #000000;
JSON
{
  "hex": "#397ede",
  "rgb": {
    "r": 57,
    "g": 126,
    "b": 222
  },
  "hsl": {
    "h": 214.909,
    "s": 71.429,
    "l": 54.706
  },
  "oklch": {
    "l": 0.5981,
    "c": 0.16201,
    "h": 257.4
  },
  "luminance": 0.21065
}

Semantic roles & 50–950 ramp

primary
#397EDE
secondary
#DCBF97
accent
#A33AEE
background
#F8F9FE
surface
#F0F2FD
border
#CBCCD5
text
#0D0F16
muted
#7D7E84

Preview Lab

Preview with #397EDE

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

Preview Lab → · Contrast checker → · Palette generator →

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