#3990AD#3990AD

#3990AD is a mid, moderate cyan. Relative luminance 0.238; OKLCH L 61.3% C 0.093 H 223.6°. Best body text is #000000 at 5.77:1 contrast (WCAG AA passes).

Color values

HEX#3990AD
RGBrgb(57, 144, 173)
HSLhsl(195, 50%, 45%)
HSVhsv(195, 67%, 68%)
CMYKcmyk(67.1%, 16.8%, 0%, 32.2%)
CIE-LABlab(55.92, -16.62, -22.87)
CIE-LCHlch(55.92, 28.27, 234.00°)
OKLaboklab(61.32% -0.0671 -0.0638)
OKLCHoklch(61.32% 0.093 223.6)
XYZxyz(19.2004, 23.8314, 43.1151)
Luminance0.2383 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3990AD #AD5639
analogous
#39AD90 #3990AD #3956AD
triadic
#3990AD #AD3990 #90AD39
tetradic
#3990AD #9039AD #AD5639 #56AD39
square
#3990AD #9039AD #AD5639 #56AD39
split-complementary
#3990AD #AD3956 #AD9039
monochromatic
#1B4351 #2A6A7F #3990AD #5AADC9 #88C4D8

Accessibility & contrast

On white

3.64
#3990AD on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.77
#3990AD on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3990AD
5.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3990AD#FFFFFF#000000##000000
##3990AD1.003.645.775.77
#FFFFFF3.641.0021.0021.00
#0000005.7721.001.001.00
##0000005.7721.001.001.00

Color blindness preview

Protanopia (red-blind)
#808DAF
Deuteranopia (green-blind)
#6F81AD
Tritanopia (blue-blind)
#009999
Achromatopsia (no color)
#868686

Design tokens & code

CSS
--color: #3990ad;
/* rgb */ color: rgb(57, 144, 173);
/* oklch */ color: oklch(61.3% 0.093 223.6);
Tailwind
colors: {
  custom: {
    50: '#7db0c5',
    500: '#3990ad',
    950: '#000000',
  },
}
SCSS
$custom: #3990ad;
$custom-light: #7db0c5;
$custom-dark: #000000;
JSON
{
  "hex": "#3990ad",
  "rgb": {
    "r": 57,
    "g": 144,
    "b": 173
  },
  "hsl": {
    "h": 195,
    "s": 50.435,
    "l": 45.098
  },
  "oklch": {
    "l": 0.6132,
    "c": 0.09265,
    "h": 223.6
  },
  "luminance": 0.23834
}

Semantic roles & 50–950 ramp

primary
#3990AD
secondary
#C29080
accent
#714EDA
background
#F8FAFC
surface
#EFF4F8
border
#CACED1
text
#0B1013
muted
#7C7F82

Preview Lab

Preview with #3990AD

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

Preview Lab → · Contrast checker → · Palette generator →

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