#3975AA#3975AA

#3975AA is a mid, moderate cyan. Relative luminance 0.165; OKLCH L 54.7% C 0.104 H 247.7°. Best body text is #FFFFFF at 4.88:1 contrast (WCAG AA passes).

Color values

HEX#3975AA
RGBrgb(57, 117, 170)
HSLhsl(208, 50%, 45%)
HSVhsv(208, 66%, 67%)
CMYKcmyk(66.5%, 31.2%, 0%, 33.3%)
CIE-LABlab(47.62, -2.20, -34.03)
CIE-LCHlch(47.62, 34.11, 266.30°)
OKLaboklab(54.68% -0.0395 -0.0962)
OKLCHoklch(54.68% 0.104 247.7)
XYZxyz(15.3016, 16.4932, 40.3995)
Luminance0.1650 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3975AA #AA6E39
analogous
#39AAA7 #3975AA #393CAA
triadic
#3975AA #AA3975 #75AA39
tetradic
#3975AA #A739AA #AA6E39 #3CAA39
square
#3975AA #A739AA #AA6E39 #3CAA39
split-complementary
#3975AA #AA393C #AAA739
monochromatic
#1A364E #2A557C #3975AA #5994C7 #87B1D7

Accessibility & contrast

On white

4.88
#3975AA on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.30
#3975AA on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3975AA
4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3975AA#FFFFFF#000000##FFFFFF
##3975AA1.004.884.304.88
#FFFFFF4.881.0021.001.00
#0000004.3021.001.0021.00
##FFFFFF4.881.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5E77AC
Deuteranopia (green-blind)
#4E6CA9
Tritanopia (blue-blind)
#008288
Achromatopsia (no color)
#717171

Design tokens & code

CSS
--color: #3975aa;
/* rgb */ color: rgb(57, 117, 170);
/* oklch */ color: oklch(54.7% 0.104 247.7);
Tailwind
colors: {
  custom: {
    50: '#7b9cc3',
    500: '#3975aa',
    950: '#000000',
  },
}
SCSS
$custom: #3975aa;
$custom-light: #7b9cc3;
$custom-dark: #000000;
JSON
{
  "hex": "#3975aa",
  "rgb": {
    "r": 57,
    "g": 117,
    "b": 170
  },
  "hsl": {
    "h": 208.142,
    "s": 49.78,
    "l": 44.51
  },
  "oklch": {
    "l": 0.54681,
    "c": 0.10399,
    "h": 247.7
  },
  "luminance": 0.16495
}

Semantic roles & 50–950 ramp

primary
#3975AA
secondary
#C19D7E
accent
#904ED9
background
#F8F9FC
surface
#EFF2F8
border
#CACCD1
text
#0A0E12
muted
#7C7E81

Preview Lab

Preview with #3975AA

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

Preview Lab → · Contrast checker → · Palette generator →

#3975AA Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva