#399AE2#399AE2

#399AE2 is a light, vivid cyan. Relative luminance 0.295; OKLCH L 66.3% C 0.139 H 244.9°. Best body text is #000000 at 6.89:1 contrast (WCAG AA passes).

Color values

HEX#399AE2
RGBrgb(57, 154, 226)
HSLhsl(206, 74%, 55%)
HSVhsv(206, 75%, 89%)
CMYKcmyk(74.8%, 31.9%, 0%, 11.4%)
CIE-LABlab(61.19, -4.19, -44.48)
CIE-LCHlch(61.19, 44.67, 264.62°)
OKLaboklab(66.27% -0.0591 -0.1262)
OKLCHoklch(66.27% 0.139 244.9)
XYZxyz(26.9651, 29.4689, 76.2037)
Luminance0.2947 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#399AE2 #E28139
analogous
#39E2D5 #399AE2 #3945E2
triadic
#399AE2 #E2399A #9AE239
tetradic
#399AE2 #D539E2 #E28139 #45E239
square
#399AE2 #D539E2 #E28139 #45E239
split-complementary
#399AE2 #E23945 #E2D539
monochromatic
#15598C #1C7BC1 #399AE2 #6EB5EA #A4D0F2

Accessibility & contrast

On white

3.05
#399AE2 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.89
#399AE2 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #399AE2
6.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##399AE2#FFFFFF#000000##000000
##399AE21.003.056.896.89
#FFFFFF3.051.0021.0021.00
#0000006.8921.001.001.00
##0000006.8921.001.001.00

Color blindness preview

Protanopia (red-blind)
#799CE5
Deuteranopia (green-blind)
#618DE1
Tritanopia (blue-blind)
#00ABB4
Achromatopsia (no color)
#949494

Design tokens & code

CSS
--color: #399ae2;
/* rgb */ color: rgb(57, 154, 226);
/* oklch */ color: oklch(66.3% 0.139 244.9);
Tailwind
colors: {
  custom: {
    50: '#86b7eb',
    500: '#399ae2',
    950: '#000000',
  },
}
SCSS
$custom: #399ae2;
$custom-light: #86b7eb;
$custom-dark: #000000;
JSON
{
  "hex": "#399ae2",
  "rgb": {
    "r": 57,
    "g": 154,
    "b": 226
  },
  "hsl": {
    "h": 205.562,
    "s": 74.449,
    "l": 55.49
  },
  "oklch": {
    "l": 0.66272,
    "c": 0.13932,
    "h": 244.9
  },
  "luminance": 0.29472
}

Semantic roles & 50–950 ramp

primary
#399AE2
secondary
#DFB698
accent
#8637F1
background
#F9FBFE
surface
#F1F6FD
border
#CBD0D5
text
#0D1116
muted
#7E8084

Preview Lab

Preview with #399AE2

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

Preview Lab → · Contrast checker → · Palette generator →

#399AE2 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva