#3972AA#3972AA

#3972AA is a mid, moderate cyan. Relative luminance 0.158; OKLCH L 54.0% C 0.107 H 250.1°. Best body text is #FFFFFF at 5.05:1 contrast (WCAG AA passes).

Color values

HEX#3972AA
RGBrgb(57, 114, 170)
HSLhsl(210, 50%, 45%)
HSVhsv(210, 66%, 67%)
CMYKcmyk(66.5%, 32.9%, 0%, 33.3%)
CIE-LABlab(46.72, -0.39, -35.44)
CIE-LCHlch(46.72, 35.45, 269.37°)
OKLaboklab(53.98% -0.0364 -0.1003)
OKLCHoklch(53.98% 0.107 250.1)
XYZxyz(14.9577, 15.8053, 40.2849)
Luminance0.1581 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3972AA #AA7139
analogous
#39AAAA #3972AA #3939AA
triadic
#3972AA #AA3972 #72AA39
tetradic
#3972AA #AA39AA #AA7139 #39AA39
square
#3972AA #AA39AA #AA7139 #39AA39
split-complementary
#3972AA #AA3939 #AAAA39
monochromatic
#1A354E #2A537C #3972AA #5991C7 #87AFD7

Accessibility & contrast

On white

5.05
#3972AA on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.16
#3972AA on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3972AA
5.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3972AA#FFFFFF#000000##FFFFFF
##3972AA1.005.054.165.05
#FFFFFF5.051.0021.001.00
#0000004.1621.001.0021.00
##FFFFFF5.051.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5975AC
Deuteranopia (green-blind)
#4A6AA9
Tritanopia (blue-blind)
#007F86
Achromatopsia (no color)
#6F6F6F

Design tokens & code

CSS
--color: #3972aa;
/* rgb */ color: rgb(57, 114, 170);
/* oklch */ color: oklch(54.0% 0.107 250.1);
Tailwind
colors: {
  custom: {
    50: '#7b9ac3',
    500: '#3972aa',
    950: '#000000',
  },
}
SCSS
$custom: #3972aa;
$custom-light: #7b9ac3;
$custom-dark: #000000;
JSON
{
  "hex": "#3972aa",
  "rgb": {
    "r": 57,
    "g": 114,
    "b": 170
  },
  "hsl": {
    "h": 209.735,
    "s": 49.78,
    "l": 44.51
  },
  "oklch": {
    "l": 0.53976,
    "c": 0.10671,
    "h": 250.1
  },
  "luminance": 0.15807
}

Semantic roles & 50–950 ramp

primary
#3972AA
secondary
#C19F7E
accent
#934ED9
background
#F8F9FC
surface
#EFF2F8
border
#CACCD1
text
#0A0E12
muted
#7C7E81

Preview Lab

Preview with #3972AA

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

Preview Lab → · Contrast checker → · Palette generator →

#3972AA Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva