#399ECA#399ECA

#399ECA is a light, moderate cyan. Relative luminance 0.296; OKLCH L 66.0% C 0.112 H 230.9°. Best body text is #000000 at 6.92:1 contrast (WCAG AA passes).

Color values

HEX#399ECA
RGBrgb(57, 158, 202)
HSLhsl(198, 58%, 51%)
HSVhsv(198, 72%, 79%)
CMYKcmyk(71.8%, 21.8%, 0%, 20.8%)
CIE-LABlab(61.29, -14.65, -30.96)
CIE-LCHlch(61.29, 34.25, 244.67°)
OKLaboklab(66% -0.0706 -0.0869)
OKLCHoklch(66% 0.112 230.9)
XYZxyz(24.5706, 29.5850, 60.2812)
Luminance0.2959 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#399ECA #CA6539
analogous
#39CAAD #399ECA #3955CA
triadic
#399ECA #CA399E #9ECA39
tetradic
#399ECA #AD39CA #CA6539 #55CA39
square
#399ECA #AD39CA #CA6539 #55CA39
split-complementary
#399ECA #CA3955 #CAAD39
monochromatic
#1D546C #2A799C #399ECA #69B6D7 #9ACDE4

Accessibility & contrast

On white

3.04
#399ECA on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.92
#399ECA on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #399ECA
6.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##399ECA#FFFFFF#000000##000000
##399ECA1.003.046.926.92
#FFFFFF3.041.0021.0021.00
#0000006.9221.001.001.00
##0000006.9221.001.001.00

Color blindness preview

Protanopia (red-blind)
#889CCC
Deuteranopia (green-blind)
#748EC9
Tritanopia (blue-blind)
#00AAAD
Achromatopsia (no color)
#949494

Design tokens & code

CSS
--color: #399eca;
/* rgb */ color: rgb(57, 158, 202);
/* oklch */ color: oklch(66.0% 0.112 230.9);
Tailwind
colors: {
  custom: {
    50: '#82bada',
    500: '#399eca',
    950: '#000000',
  },
}
SCSS
$custom: #399eca;
$custom-light: #82bada;
$custom-dark: #000000;
JSON
{
  "hex": "#399eca",
  "rgb": {
    "r": 57,
    "g": 158,
    "b": 202
  },
  "hsl": {
    "h": 198.207,
    "s": 57.769,
    "l": 50.784
  },
  "oklch": {
    "l": 0.66001,
    "c": 0.11201,
    "h": 230.9
  },
  "luminance": 0.29588
}

Semantic roles & 50–950 ramp

primary
#399ECA
secondary
#D0A38F
accent
#7647E1
background
#F8FBFD
surface
#F0F6FA
border
#CBD0D3
text
#0C1114
muted
#7D8083

Preview Lab

Preview with #399ECA

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

Preview Lab → · Contrast checker → · Palette generator →

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