#397EAE#397EAE

#397EAE is a mid, moderate cyan. Relative luminance 0.188; OKLCH L 57.0% C 0.102 H 242.0°. Best body text is #000000 at 4.77:1 contrast (WCAG AA passes).

Color values

HEX#397EAE
RGBrgb(57, 126, 174)
HSLhsl(205, 51%, 45%)
HSVhsv(205, 67%, 68%)
CMYKcmyk(67.2%, 27.6%, 0%, 31.8%)
CIE-LABlab(50.51, -6.14, -31.83)
CIE-LCHlch(50.51, 32.42, 259.08°)
OKLaboklab(57.03% -0.0478 -0.0897)
OKLCHoklch(57.03% 0.102 242)
XYZxyz(16.7853, 18.8458, 42.7892)
Luminance0.1885 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#397EAE #AE6939
analogous
#39AEA3 #397EAE #3944AE
triadic
#397EAE #AE397E #7EAE39
tetradic
#397EAE #A339AE #AE6939 #44AE39
square
#397EAE #A339AE #AE6939 #44AE39
split-complementary
#397EAE #AE3944 #AEA339
monochromatic
#1B3B52 #2A5D80 #397EAE #5B9CC9 #89B8D8

Accessibility & contrast

On white

4.40
#397EAE on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.77
#397EAE on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #397EAE
4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##397EAE#FFFFFF#000000##000000
##397EAE1.004.404.774.77
#FFFFFF4.401.0021.0021.00
#0000004.7721.001.001.00
##0000004.7721.001.001.00

Color blindness preview

Protanopia (red-blind)
#687FB0
Deuteranopia (green-blind)
#5873AD
Tritanopia (blue-blind)
#008A8F
Achromatopsia (no color)
#787878

Design tokens & code

CSS
--color: #397eae;
/* rgb */ color: rgb(57, 126, 174);
/* oklch */ color: oklch(57.0% 0.102 242.0);
Tailwind
colors: {
  custom: {
    50: '#7ca3c6',
    500: '#397eae',
    950: '#000000',
  },
}
SCSS
$custom: #397eae;
$custom-light: #7ca3c6;
$custom-dark: #000000;
JSON
{
  "hex": "#397eae",
  "rgb": {
    "r": 57,
    "g": 126,
    "b": 174
  },
  "hsl": {
    "h": 204.615,
    "s": 50.649,
    "l": 45.294
  },
  "oklch": {
    "l": 0.57025,
    "c": 0.10162,
    "h": 242
  },
  "luminance": 0.18848
}

Semantic roles & 50–950 ramp

primary
#397EAE
secondary
#C39B80
accent
#874EDA
background
#F8FAFC
surface
#EFF3F8
border
#CACDD1
text
#0B0F13
muted
#7C7F82

Preview Lab

Preview with #397EAE

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

Preview Lab → · Contrast checker → · Palette generator →

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