#3970AC#3970AC

#3970AC is a mid, moderate cyan. Relative luminance 0.154; OKLCH L 53.6% C 0.111 H 252.4°. Best body text is #FFFFFF at 5.14:1 contrast (WCAG AA passes).

Color values

HEX#3970AC
RGBrgb(57, 112, 172)
HSLhsl(211, 50%, 45%)
HSVhsv(211, 67%, 67%)
CMYKcmyk(66.9%, 34.9%, 0%, 32.5%)
CIE-LABlab(46.22, 1.54, -37.39)
CIE-LCHlch(46.22, 37.42, 272.36°)
OKLaboklab(53.62% -0.0337 -0.106)
OKLCHoklch(53.62% 0.111 252.4)
XYZxyz(14.9252, 15.4352, 41.2145)
Luminance0.1544 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3970AC #AC7539
analogous
#39AAAC #3970AC #3B39AC
triadic
#3970AC #AC3970 #70AC39
tetradic
#3970AC #AC39AA #AC7539 #39AC3B
square
#3970AC #AC39AA #AC7539 #39AC3B
split-complementary
#3970AC #AC3B39 #AAAC39
monochromatic
#1B3450 #2A527E #3970AC #5A8FC8 #88AED8

Accessibility & contrast

On white

5.14
#3970AC on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.09
#3970AC on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3970AC
5.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3970AC#FFFFFF#000000##FFFFFF
##3970AC1.005.144.095.14
#FFFFFF5.141.0021.001.00
#0000004.0921.001.0021.00
##FFFFFF5.141.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5673AF
Deuteranopia (green-blind)
#4669AB
Tritanopia (blue-blind)
#007E86
Achromatopsia (no color)
#6D6D6D

Design tokens & code

CSS
--color: #3970ac;
/* rgb */ color: rgb(57, 112, 172);
/* oklch */ color: oklch(53.6% 0.111 252.4);
Tailwind
colors: {
  custom: {
    50: '#7c98c5',
    500: '#3970ac',
    950: '#000000',
  },
}
SCSS
$custom: #3970ac;
$custom-light: #7c98c5;
$custom-dark: #000000;
JSON
{
  "hex": "#3970ac",
  "rgb": {
    "r": 57,
    "g": 112,
    "b": 172
  },
  "hsl": {
    "h": 211.304,
    "s": 50.218,
    "l": 44.902
  },
  "oklch": {
    "l": 0.53623,
    "c": 0.11125,
    "h": 252.4
  },
  "luminance": 0.15437
}

Semantic roles & 50–950 ramp

primary
#3970AC
secondary
#C2A27F
accent
#974EDA
background
#F8F9FC
surface
#EFF2F8
border
#CACCD1
text
#0A0D13
muted
#7C7E82

Preview Lab

Preview with #3970AC

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

Preview Lab → · Contrast checker → · Palette generator →

#3970AC Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva