#3998AF#3998AF

#3998AF is a light, moderate cyan. Relative luminance 0.264; OKLCH L 63.4% C 0.093 H 216.9°. Best body text is #000000 at 6.28:1 contrast (WCAG AA passes).

Color values

HEX#3998AF
RGBrgb(57, 152, 175)
HSLhsl(192, 51%, 45%)
HSVhsv(192, 67%, 69%)
CMYKcmyk(67.4%, 13.1%, 0%, 31.4%)
CIE-LABlab(58.43, -20.25, -20.16)
CIE-LCHlch(58.43, 28.57, 224.87°)
OKLaboklab(63.36% -0.0748 -0.0561)
OKLCHoklch(63.36% 0.094 216.9)
XYZxyz(20.6502, 26.4192, 44.5602)
Luminance0.2642 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3998AF #AF5039
analogous
#39AF8B #3998AF #395DAF
triadic
#3998AF #AF3998 #98AF39
tetradic
#3998AF #8B39AF #AF5039 #5DAF39
square
#3998AF #8B39AF #AF5039 #5DAF39
split-complementary
#3998AF #AF395D #AF8B39
monochromatic
#1B4853 #2A7081 #3998AF #5BB4CA #8AC9D9

Accessibility & contrast

On white

3.34
#3998AF on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.28
#3998AF on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3998AF
6.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3998AF#FFFFFF#000000##000000
##3998AF1.003.346.286.28
#FFFFFF3.341.0021.0021.00
#0000006.2821.001.001.00
##0000006.2821.001.001.00

Color blindness preview

Protanopia (red-blind)
#8994B0
Deuteranopia (green-blind)
#7887AF
Tritanopia (blue-blind)
#00A09F
Achromatopsia (no color)
#8C8C8C

Design tokens & code

CSS
--color: #3998af;
/* rgb */ color: rgb(57, 152, 175);
/* oklch */ color: oklch(63.4% 0.093 216.9);
Tailwind
colors: {
  custom: {
    50: '#7eb6c7',
    500: '#3998af',
    950: '#000000',
  },
}
SCSS
$custom: #3998af;
$custom-light: #7eb6c7;
$custom-dark: #000000;
JSON
{
  "hex": "#3998af",
  "rgb": {
    "r": 57,
    "g": 152,
    "b": 175
  },
  "hsl": {
    "h": 191.695,
    "s": 50.862,
    "l": 45.49
  },
  "oklch": {
    "l": 0.63361,
    "c": 0.0935,
    "h": 216.9
  },
  "luminance": 0.26421
}

Semantic roles & 50–950 ramp

primary
#3998AF
secondary
#C38E81
accent
#694DDA
background
#F8FBFC
surface
#EFF6F8
border
#CAD0D1
text
#0B1113
muted
#7C8082

Preview Lab

Preview with #3998AF

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

Preview Lab → · Contrast checker → · Palette generator →

#3998AF Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva