#3A499D#3A499D

#3A499D is a dark, vivid blue. Relative luminance 0.081; OKLCH L 44.1% C 0.137 H 272.0°. Best body text is #FFFFFF at 8.02:1 contrast (WCAG AA passes).

Color values

HEX#3A499D
RGBrgb(58, 73, 157)
HSLhsl(231, 46%, 42%)
HSVhsv(231, 63%, 62%)
CMYKcmyk(63.1%, 53.5%, 0%, 38.4%)
CIE-LABlab(34.19, 21.37, -47.70)
CIE-LCHlch(34.19, 52.27, 294.13°)
OKLaboklab(44.08% 0.0048 -0.1368)
OKLCHoklch(44.08% 0.137 272)
XYZxyz(10.2112, 8.0981, 32.9167)
Luminance0.0810 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3A499D #9D8E3A
analogous
#3A7B9D #3A499D #5C3A9D
triadic
#3A499D #9D3A49 #499D3A
tetradic
#3A499D #9D3A7B #9D8E3A #3A9D5C
square
#3A499D #9D3A7B #9D8E3A #3A9D5C
split-complementary
#3A499D #9D5C3A #7B9D3A
monochromatic
#191F44 #293470 #3A499D #5465C0 #818DD0

Accessibility & contrast

On white

8.02
#3A499D on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.62
#3A499D on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A499D
8.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3A499D#FFFFFF#000000##FFFFFF
##3A499D1.008.022.628.02
#FFFFFF8.021.0021.001.00
#0000002.6221.001.0021.00
##FFFFFF8.021.0021.001.00

Color blindness preview

Protanopia (red-blind)
#1555A0
Deuteranopia (green-blind)
#004C9B
Tritanopia (blue-blind)
#005D6C
Achromatopsia (no color)
#505050

Design tokens & code

CSS
--color: #3a499d;
/* rgb */ color: rgb(58, 73, 157);
/* oklch */ color: oklch(44.1% 0.137 272.0);
Tailwind
colors: {
  custom: {
    50: '#7a7bba',
    500: '#3a499d',
    950: '#000000',
  },
}
SCSS
$custom: #3a499d;
$custom-light: #7a7bba;
$custom-dark: #000000;
JSON
{
  "hex": "#3a499d",
  "rgb": {
    "r": 58,
    "g": 73,
    "b": 157
  },
  "hsl": {
    "h": 230.909,
    "s": 46.047,
    "l": 42.157
  },
  "oklch": {
    "l": 0.44078,
    "c": 0.13687,
    "h": 272
  },
  "luminance": 0.08099
}

Semantic roles & 50–950 ramp

primary
#3A499D
secondary
#BAB079
accent
#C252D6
background
#F7F7FB
surface
#EEEDF6
border
#C9C8D0
text
#0A0912
muted
#7C7B81

Preview Lab

Preview with #3A499D

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

Preview Lab → · Contrast checker → · Palette generator →

#3A499D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva