#33429B#33429B

#33429B is a dark, vivid blue. Relative luminance 0.070; OKLCH L 42.1% C 0.145 H 271.5°. Best body text is #FFFFFF at 8.77:1 contrast (WCAG AA passes).

Color values

HEX#33429B
RGBrgb(51, 66, 155)
HSLhsl(231, 50%, 40%)
HSVhsv(231, 67%, 61%)
CMYKcmyk(67.1%, 57.4%, 0%, 39.2%)
CIE-LABlab(31.73, 24.07, -50.49)
CIE-LCHlch(31.73, 55.93, 295.49°)
OKLaboklab(42.08% 0.0038 -0.1452)
OKLCHoklch(42.08% 0.145 271.5)
XYZxyz(9.2279, 6.9660, 31.8623)
Luminance0.0697 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#33429B #9B8C33
analogous
#33769B #33429B #58339B
triadic
#33429B #9B3342 #429B33
tetradic
#33429B #9B3376 #9B8C33 #339B58
square
#33429B #9B3376 #9B8C33 #339B58
split-complementary
#33429B #9B5833 #769B33
monochromatic
#151B3F #242E6D #33429B #485AC3 #7684D2

Accessibility & contrast

On white

8.77
#33429B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.39
#33429B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #33429B
8.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##33429B#FFFFFF#000000##FFFFFF
##33429B1.008.772.398.77
#FFFFFF8.771.0021.001.00
#0000002.3921.001.0021.00
##FFFFFF8.771.0021.001.00

Color blindness preview

Protanopia (red-blind)
#004F9E
Deuteranopia (green-blind)
#004699
Tritanopia (blue-blind)
#005868
Achromatopsia (no color)
#4B4B4B

Design tokens & code

CSS
--color: #33429b;
/* rgb */ color: rgb(51, 66, 155);
/* oklch */ color: oklch(42.1% 0.145 271.5);
Tailwind
colors: {
  custom: {
    50: '#7776b9',
    500: '#33429b',
    950: '#000000',
  },
}
SCSS
$custom: #33429b;
$custom-light: #7776b9;
$custom-dark: #000000;
JSON
{
  "hex": "#33429b",
  "rgb": {
    "r": 51,
    "g": 66,
    "b": 155
  },
  "hsl": {
    "h": 231.346,
    "s": 50.485,
    "l": 40.392
  },
  "oklch": {
    "l": 0.42075,
    "c": 0.1453,
    "h": 271.5
  },
  "luminance": 0.06967
}

Semantic roles & 50–950 ramp

primary
#33429B
secondary
#BAB06F
accent
#C64EDA
background
#F7F7FB
surface
#EEEDF6
border
#C9C8D0
text
#0A0811
muted
#7C7B80

Preview Lab

Preview with #33429B

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

Preview Lab → · Contrast checker → · Palette generator →

#33429B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva