#3975AD#3975AD

#3975AD is a mid, moderate cyan. Relative luminance 0.166; OKLCH L 54.8% C 0.108 H 249.0°. Best body text is #FFFFFF at 4.86:1 contrast (WCAG AA passes).

Color values

HEX#3975AD
RGBrgb(57, 117, 173)
HSLhsl(209, 50%, 45%)
HSVhsv(209, 67%, 68%)
CMYKcmyk(67.1%, 32.4%, 0%, 32.2%)
CIE-LABlab(47.76, -1.15, -35.55)
CIE-LCHlch(47.76, 35.57, 268.15°)
OKLaboklab(54.85% -0.0386 -0.1006)
OKLCHoklch(54.85% 0.108 249)
XYZxyz(15.5887, 16.6080, 41.9112)
Luminance0.1661 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3975AD #AD7139
analogous
#39ADAB #3975AD #393BAD
triadic
#3975AD #AD3975 #75AD39
tetradic
#3975AD #AB39AD #AD7139 #3BAD39
square
#3975AD #AB39AD #AD7139 #3BAD39
split-complementary
#3975AD #AD393B #ADAB39
monochromatic
#1B3751 #2A567F #3975AD #5A94C9 #88B2D8

Accessibility & contrast

On white

4.86
#3975AD on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.32
#3975AD on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3975AD
4.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3975AD#FFFFFF#000000##FFFFFF
##3975AD1.004.864.324.86
#FFFFFF4.861.0021.001.00
#0000004.3221.001.0021.00
##FFFFFF4.861.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5C77AF
Deuteranopia (green-blind)
#4C6CAC
Tritanopia (blue-blind)
#008289
Achromatopsia (no color)
#717171

Design tokens & code

CSS
--color: #3975ad;
/* rgb */ color: rgb(57, 117, 173);
/* oklch */ color: oklch(54.8% 0.108 249.0);
Tailwind
colors: {
  custom: {
    50: '#7c9cc5',
    500: '#3975ad',
    950: '#000000',
  },
}
SCSS
$custom: #3975ad;
$custom-light: #7c9cc5;
$custom-dark: #000000;
JSON
{
  "hex": "#3975ad",
  "rgb": {
    "r": 57,
    "g": 117,
    "b": 173
  },
  "hsl": {
    "h": 208.966,
    "s": 50.435,
    "l": 45.098
  },
  "oklch": {
    "l": 0.54846,
    "c": 0.10777,
    "h": 249
  },
  "luminance": 0.1661
}

Semantic roles & 50–950 ramp

primary
#3975AD
secondary
#C2A080
accent
#914EDA
background
#F8F9FC
surface
#EFF2F8
border
#CACCD1
text
#0A0E13
muted
#7C7E82

Preview Lab

Preview with #3975AD

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

Preview Lab → · Contrast checker → · Palette generator →

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