#3990C5#3990C5

#3990C5 is a light, moderate cyan. Relative luminance 0.248; OKLCH L 62.5% C 0.115 H 239.3°. Best body text is #000000 at 5.97:1 contrast (WCAG AA passes).

Color values

HEX#3990C5
RGBrgb(57, 144, 197)
HSLhsl(203, 55%, 50%)
HSVhsv(203, 71%, 77%)
CMYKcmyk(71.1%, 26.9%, 0%, 22.7%)
CIE-LABlab(56.92, -8.57, -34.95)
CIE-LCHlch(56.92, 35.99, 256.22°)
OKLaboklab(62.45% -0.0585 -0.0986)
OKLCHoklch(62.45% 0.115 239.3)
XYZxyz(21.7347, 24.8452, 56.4626)
Luminance0.2485 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3990C5 #C56E39
analogous
#39C5B4 #3990C5 #394AC5
triadic
#3990C5 #C53990 #90C539
tetradic
#3990C5 #B439C5 #C56E39 #4AC539
square
#3990C5 #B439C5 #C56E39 #4AC539
split-complementary
#3990C5 #C5394A #C5B439
monochromatic
#1E4B66 #2B6D96 #3990C5 #68ABD3 #97C5E1

Accessibility & contrast

On white

3.52
#3990C5 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.97
#3990C5 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3990C5
5.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3990C5#FFFFFF#000000##000000
##3990C51.003.525.975.97
#FFFFFF3.521.0021.0021.00
#0000005.9721.001.001.00
##0000005.9721.001.001.00

Color blindness preview

Protanopia (red-blind)
#7790C7
Deuteranopia (green-blind)
#6483C4
Tritanopia (blue-blind)
#009DA2
Achromatopsia (no color)
#898989

Design tokens & code

CSS
--color: #3990c5;
/* rgb */ color: rgb(57, 144, 197);
/* oklch */ color: oklch(62.5% 0.115 239.3);
Tailwind
colors: {
  custom: {
    50: '#80b0d7',
    500: '#3990c5',
    950: '#000000',
  },
}
SCSS
$custom: #3990c5;
$custom-light: #80b0d7;
$custom-dark: #000000;
JSON
{
  "hex": "#3990c5",
  "rgb": {
    "r": 57,
    "g": 144,
    "b": 197
  },
  "hsl": {
    "h": 202.714,
    "s": 55.118,
    "l": 49.804
  },
  "oklch": {
    "l": 0.62453,
    "c": 0.11464,
    "h": 239.3
  },
  "luminance": 0.24848
}

Semantic roles & 50–950 ramp

primary
#3990C5
secondary
#CDA58D
accent
#8249DE
background
#F8FAFD
surface
#F0F4FA
border
#CBCED3
text
#0C1014
muted
#7D7F83

Preview Lab

Preview with #3990C5

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

Preview Lab → · Contrast checker → · Palette generator →

#3990C5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva