#3F7AA3#3F7AA3

#3F7AA3 is a mid, moderate cyan. Relative luminance 0.176; OKLCH L 55.8% C 0.089 H 241.2°. Best body text is #FFFFFF at 4.64:1 contrast (WCAG AA passes).

Color values

HEX#3F7AA3
RGBrgb(63, 122, 163)
HSLhsl(205, 44%, 44%)
HSVhsv(205, 61%, 64%)
CMYKcmyk(61.3%, 25.2%, 0%, 36.1%)
CIE-LABlab(49.03, -6.44, -27.72)
CIE-LCHlch(49.03, 28.46, 256.92°)
OKLaboklab(55.76% -0.0428 -0.0778)
OKLCHoklch(55.76% 0.089 241.2)
XYZxyz(15.6178, 17.6187, 37.2209)
Luminance0.1762 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3F7AA3 #A3683F
analogous
#3FA39A #3F7AA3 #3F48A3
triadic
#3F7AA3 #A33F7A #7AA33F
tetradic
#3F7AA3 #9A3FA3 #A3683F #48A33F
square
#3F7AA3 #9A3FA3 #A3683F #48A33F
split-complementary
#3F7AA3 #A33F48 #A39A3F
monochromatic
#1D384B #2E5977 #3F7AA3 #5E98C1 #8AB5D2

Accessibility & contrast

On white

4.64
#3F7AA3 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.52
#3F7AA3 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #3F7AA3
4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3F7AA3#FFFFFF#000000##FFFFFF
##3F7AA31.004.644.524.64
#FFFFFF4.641.0021.001.00
#0000004.5221.001.0021.00
##FFFFFF4.641.0021.001.00

Color blindness preview

Protanopia (red-blind)
#687AA5
Deuteranopia (green-blind)
#5A70A2
Tritanopia (blue-blind)
#008488
Achromatopsia (no color)
#747474

Design tokens & code

CSS
--color: #3f7aa3;
/* rgb */ color: rgb(63, 122, 163);
/* oklch */ color: oklch(55.8% 0.089 241.2);
Tailwind
colors: {
  custom: {
    50: '#7da0be',
    500: '#3f7aa3',
    950: '#000000',
  },
}
SCSS
$custom: #3f7aa3;
$custom-light: #7da0be;
$custom-dark: #000000;
JSON
{
  "hex": "#3f7aa3",
  "rgb": {
    "r": 63,
    "g": 122,
    "b": 163
  },
  "hsl": {
    "h": 204.6,
    "s": 44.248,
    "l": 44.314
  },
  "oklch": {
    "l": 0.55757,
    "c": 0.08881,
    "h": 241.2
  },
  "luminance": 0.1762
}

Semantic roles & 50–950 ramp

primary
#3F7AA3
secondary
#BD9A81
accent
#8854D4
background
#F8F9FB
surface
#EFF2F6
border
#CACCD0
text
#0A0E12
muted
#7C7E81

Preview Lab

Preview with #3F7AA3

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

Preview Lab → · Contrast checker → · Palette generator →

#3F7AA3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva