#3973DA#3973DA

#3973DA is a mid, vivid blue. Relative luminance 0.182; OKLCH L 57.2% C 0.169 H 260.9°. Best body text is #000000 at 4.64:1 contrast (WCAG AA passes).

Color values

HEX#3973DA
RGBrgb(57, 115, 218)
HSLhsl(218, 69%, 54%)
HSVhsv(218, 74%, 85%)
CMYKcmyk(73.9%, 47.2%, 0%, 14.5%)
CIE-LABlab(49.73, 16.39, -58.26)
CIE-LCHlch(49.73, 60.52, 285.72°)
OKLaboklab(57.19% -0.0268 -0.1672)
OKLCHoklch(57.19% 0.169 260.9)
XYZxyz(20.4684, 18.1910, 68.7485)
Luminance0.1819 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3973DA #DAA039
analogous
#39C4DA #3973DA #5039DA
triadic
#3973DA #DA3973 #73DA39
tetradic
#3973DA #DA39C4 #DAA039 #39DA50
square
#3973DA #DA39C4 #DAA039 #39DA50
split-complementary
#3973DA #DA5039 #C4DA39
monochromatic
#183E81 #2256B4 #3973DA #6D97E4 #A0BCED

Accessibility & contrast

On white

4.53
#3973DA on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.64
#3973DA on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3973DA
4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3973DA#FFFFFF#000000##000000
##3973DA1.004.534.644.64
#FFFFFF4.531.0021.0021.00
#0000004.6421.001.001.00
##0000004.6421.001.001.00

Color blindness preview

Protanopia (red-blind)
#3B7EDE
Deuteranopia (green-blind)
#096FD8
Tritanopia (blue-blind)
#008B9C
Achromatopsia (no color)
#767676

Design tokens & code

CSS
--color: #3973da;
/* rgb */ color: rgb(57, 115, 218);
/* oklch */ color: oklch(57.2% 0.169 260.9);
Tailwind
colors: {
  custom: {
    50: '#849ae6',
    500: '#3973da',
    950: '#000000',
  },
}
SCSS
$custom: #3973da;
$custom-light: #849ae6;
$custom-dark: #000000;
JSON
{
  "hex": "#3973da",
  "rgb": {
    "r": 57,
    "g": 115,
    "b": 218
  },
  "hsl": {
    "h": 218.385,
    "s": 68.511,
    "l": 53.922
  },
  "oklch": {
    "l": 0.57194,
    "c": 0.16935,
    "h": 260.9
  },
  "luminance": 0.18193
}

Semantic roles & 50–950 ramp

primary
#3973DA
secondary
#DAC195
accent
#AC3CEB
background
#F8F9FE
surface
#F0F2FC
border
#CBCCD5
text
#0C0E16
muted
#7D7E84

Preview Lab

Preview with #3973DA

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

Preview Lab → · Contrast checker → · Palette generator →

#3973DA Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva