#399CC5#399CC5

#399CC5 is a light, moderate cyan. Relative luminance 0.287; OKLCH L 65.3% C 0.108 H 229.5°. Best body text is #000000 at 6.74:1 contrast (WCAG AA passes).

Color values

HEX#399CC5
RGBrgb(57, 156, 197)
HSLhsl(198, 55%, 50%)
HSVhsv(198, 71%, 77%)
CMYKcmyk(71.1%, 20.8%, 0%, 22.7%)
CIE-LABlab(60.49, -15.23, -29.40)
CIE-LCHlch(60.49, 33.11, 242.61°)
OKLaboklab(65.29% -0.0704 -0.0825)
OKLCHoklch(65.29% 0.108 229.5)
XYZxyz(23.6498, 28.6753, 57.1010)
Luminance0.2868 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#399CC5 #C56239
analogous
#39C5A8 #399CC5 #3956C5
triadic
#399CC5 #C5399C #9CC539
tetradic
#399CC5 #A839C5 #C56239 #56C539
square
#399CC5 #A839C5 #C56239 #56C539
split-complementary
#399CC5 #C53956 #C5A839
monochromatic
#1E5166 #2B7696 #399CC5 #68B4D3 #97CBE1

Accessibility & contrast

On white

3.12
#399CC5 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.74
#399CC5 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #399CC5
6.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##399CC5#FFFFFF#000000##000000
##399CC51.003.126.746.74
#FFFFFF3.121.0021.0021.00
#0000006.7421.001.001.00
##0000006.7421.001.001.00

Color blindness preview

Protanopia (red-blind)
#879AC7
Deuteranopia (green-blind)
#748CC4
Tritanopia (blue-blind)
#00A7AA
Achromatopsia (no color)
#929292

Design tokens & code

CSS
--color: #399cc5;
/* rgb */ color: rgb(57, 156, 197);
/* oklch */ color: oklch(65.3% 0.108 229.5);
Tailwind
colors: {
  custom: {
    50: '#81b9d6',
    500: '#399cc5',
    950: '#000000',
  },
}
SCSS
$custom: #399cc5;
$custom-light: #81b9d6;
$custom-dark: #000000;
JSON
{
  "hex": "#399cc5",
  "rgb": {
    "r": 57,
    "g": 156,
    "b": 197
  },
  "hsl": {
    "h": 197.571,
    "s": 55.118,
    "l": 49.804
  },
  "oklch": {
    "l": 0.65294,
    "c": 0.10846,
    "h": 229.5
  },
  "luminance": 0.28678
}

Semantic roles & 50–950 ramp

primary
#399CC5
secondary
#CDA08D
accent
#7549DE
background
#F8FBFD
surface
#F0F6FA
border
#CBD0D3
text
#0C1114
muted
#7D8083

Preview Lab

Preview with #399CC5

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

Preview Lab → · Contrast checker → · Palette generator →

#399CC5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva