#3974DA#3974DA

#3974DA is a mid, vivid blue. Relative luminance 0.184; OKLCH L 57.4% C 0.168 H 260.5°. Best body text is #000000 at 4.68:1 contrast (WCAG AA passes).

Color values

HEX#3974DA
RGBrgb(57, 116, 218)
HSLhsl(218, 69%, 54%)
HSVhsv(218, 74%, 85%)
CMYKcmyk(73.9%, 46.8%, 0%, 14.5%)
CIE-LABlab(50.00, 15.77, -57.81)
CIE-LCHlch(50.00, 59.93, 285.25°)
OKLaboklab(57.4% -0.0277 -0.1659)
OKLCHoklch(57.4% 0.168 260.5)
XYZxyz(20.5831, 18.4203, 68.7868)
Luminance0.1842 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3974DA #DA9F39
analogous
#39C5DA #3974DA #4F39DA
triadic
#3974DA #DA3974 #74DA39
tetradic
#3974DA #DA39C5 #DA9F39 #39DA4F
square
#3974DA #DA39C5 #DA9F39 #39DA4F
split-complementary
#3974DA #DA4F39 #C5DA39
monochromatic
#183E81 #2257B4 #3974DA #6D98E4 #A0BCED

Accessibility & contrast

On white

4.48
#3974DA on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.68
#3974DA on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3974DA
4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3974DA#FFFFFF#000000##000000
##3974DA1.004.484.684.68
#FFFFFF4.481.0021.0021.00
#0000004.6821.001.001.00
##0000004.6821.001.001.00

Color blindness preview

Protanopia (red-blind)
#3D7FDE
Deuteranopia (green-blind)
#1170D8
Tritanopia (blue-blind)
#008C9C
Achromatopsia (no color)
#777777

Design tokens & code

CSS
--color: #3974da;
/* rgb */ color: rgb(57, 116, 218);
/* oklch */ color: oklch(57.4% 0.168 260.5);
Tailwind
colors: {
  custom: {
    50: '#849be6',
    500: '#3974da',
    950: '#000000',
  },
}
SCSS
$custom: #3974da;
$custom-light: #849be6;
$custom-dark: #000000;
JSON
{
  "hex": "#3974da",
  "rgb": {
    "r": 57,
    "g": 116,
    "b": 218
  },
  "hsl": {
    "h": 218.012,
    "s": 68.511,
    "l": 53.922
  },
  "oklch": {
    "l": 0.57405,
    "c": 0.16818,
    "h": 260.5
  },
  "luminance": 0.18423
}

Semantic roles & 50–950 ramp

primary
#3974DA
secondary
#DAC195
accent
#AB3CEB
background
#F8F9FE
surface
#F0F2FC
border
#CBCCD5
text
#0C0E16
muted
#7D7E84

Preview Lab

Preview with #3974DA

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

Preview Lab → · Contrast checker → · Palette generator →

#3974DA Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva