#3F83A0#3F83A0

#3F83A0 is a mid, moderate cyan. Relative luminance 0.198; OKLCH L 57.8% C 0.082 H 228.5°. Best body text is #000000 at 4.97:1 contrast (WCAG AA passes).

Color values

HEX#3F83A0
RGBrgb(63, 131, 160)
HSLhsl(198, 43%, 44%)
HSVhsv(198, 61%, 63%)
CMYKcmyk(60.6%, 18.1%, 0%, 37.3%)
CIE-LABlab(51.64, -12.58, -21.94)
CIE-LCHlch(51.64, 25.29, 240.18°)
OKLaboklab(57.79% -0.0541 -0.0612)
OKLCHoklch(57.79% 0.082 228.5)
XYZxyz(16.5089, 19.8258, 36.2076)
Luminance0.1983 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3F83A0 #A05C3F
analogous
#3FA08C #3F83A0 #3F52A0
triadic
#3F83A0 #A03F83 #83A03F
tetradic
#3F83A0 #8C3FA0 #A05C3F #52A03F
square
#3F83A0 #8C3FA0 #A05C3F #52A03F
split-complementary
#3F83A0 #A03F52 #A08C3F
monochromatic
#1C3B48 #2E5F74 #3F83A0 #5DA2BF #89BBD0

Accessibility & contrast

On white

4.23
#3F83A0 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.97
#3F83A0 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F83A0
4.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3F83A0#FFFFFF#000000##000000
##3F83A01.004.234.974.97
#FFFFFF4.231.0021.0021.00
#0000004.9721.001.001.00
##0000004.9721.001.001.00

Color blindness preview

Protanopia (red-blind)
#7481A1
Deuteranopia (green-blind)
#6677A0
Tritanopia (blue-blind)
#008B8C
Achromatopsia (no color)
#7B7B7B

Design tokens & code

CSS
--color: #3f83a0;
/* rgb */ color: rgb(63, 131, 160);
/* oklch */ color: oklch(57.8% 0.082 228.5);
Tailwind
colors: {
  custom: {
    50: '#7da7bc',
    500: '#3f83a0',
    950: '#000000',
  },
}
SCSS
$custom: #3f83a0;
$custom-light: #7da7bc;
$custom-dark: #000000;
JSON
{
  "hex": "#3f83a0",
  "rgb": {
    "r": 63,
    "g": 131,
    "b": 160
  },
  "hsl": {
    "h": 197.938,
    "s": 43.498,
    "l": 43.725
  },
  "oklch": {
    "l": 0.57788,
    "c": 0.08169,
    "h": 228.5
  },
  "luminance": 0.19827
}

Semantic roles & 50–950 ramp

primary
#3F83A0
secondary
#BB9180
accent
#7A55D3
background
#F8FAFB
surface
#EFF4F6
border
#CACED0
text
#0A0F12
muted
#7C7F81

Preview Lab

Preview with #3F83A0

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

Preview Lab → · Contrast checker → · Palette generator →

#3F83A0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva