#399DBC#399DBC

#399DBC is a light, moderate cyan. Relative luminance 0.286; OKLCH L 65.1% C 0.101 H 222.4°. Best body text is #000000 at 6.72:1 contrast (WCAG AA passes).

Color values

HEX#399DBC
RGBrgb(57, 157, 188)
HSLhsl(194, 53%, 48%)
HSVhsv(194, 70%, 74%)
CMYKcmyk(69.7%, 16.5%, 0%, 26.3%)
CIE-LABlab(60.44, -18.72, -24.43)
CIE-LCHlch(60.44, 30.78, 232.54°)
OKLaboklab(65.13% -0.0748 -0.0682)
OKLCHoklch(65.13% 0.101 222.4)
XYZxyz(22.8177, 28.6121, 51.8873)
Luminance0.2862 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#399DBC #BC5839
analogous
#39BC99 #399DBC #395CBC
triadic
#399DBC #BC399D #9DBC39
tetradic
#399DBC #9939BC #BC5839 #5CBC39
square
#399DBC #9939BC #BC5839 #5CBC39
split-complementary
#399DBC #BC395C #BC9939
monochromatic
#1D4F5E #2B768D #399DBC #63B6D0 #92CCDE

Accessibility & contrast

On white

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

On black

6.72
#399DBC on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #399DBC
6.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##399DBC#FFFFFF#000000##000000
##399DBC1.003.126.726.72
#FFFFFF3.121.0021.0021.00
#0000006.7221.001.001.00
##0000006.7221.001.001.00

Color blindness preview

Protanopia (red-blind)
#8B99BE
Deuteranopia (green-blind)
#798CBC
Tritanopia (blue-blind)
#00A7A7
Achromatopsia (no color)
#929292

Design tokens & code

CSS
--color: #399dbc;
/* rgb */ color: rgb(57, 157, 188);
/* oklch */ color: oklch(65.1% 0.101 222.4);
Tailwind
colors: {
  custom: {
    50: '#80bad0',
    500: '#399dbc',
    950: '#000000',
  },
}
SCSS
$custom: #399dbc;
$custom-light: #80bad0;
$custom-dark: #000000;
JSON
{
  "hex": "#399dbc",
  "rgb": {
    "r": 57,
    "g": 157,
    "b": 188
  },
  "hsl": {
    "h": 194.198,
    "s": 53.469,
    "l": 48.039
  },
  "oklch": {
    "l": 0.65131,
    "c": 0.10128,
    "h": 222.4
  },
  "luminance": 0.28615
}

Semantic roles & 50–950 ramp

primary
#399DBC
secondary
#C99788
accent
#6D4BDD
background
#F8FBFC
surface
#F0F6F9
border
#CBD0D2
text
#0B1114
muted
#7C8082

Preview Lab

Preview with #399DBC

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

Preview Lab → · Contrast checker → · Palette generator →

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