#33347B#33347B

#33347B is a dark, moderate blue. Relative luminance 0.046; OKLCH L 36.7% C 0.118 H 278.3°. Best body text is #FFFFFF at 10.95:1 contrast (WCAG AA passes).

Color values

HEX#33347B
RGBrgb(51, 52, 123)
HSLhsl(239, 41%, 34%)
HSVhsv(239, 59%, 48%)
CMYKcmyk(58.5%, 57.7%, 0%, 51.8%)
CIE-LABlab(25.53, 21.90, -40.73)
CIE-LCHlch(25.53, 46.25, 298.27°)
OKLaboklab(36.68% 0.0169 -0.1167)
OKLCHoklch(36.68% 0.118 278.3)
XYZxyz(6.1672, 4.5894, 19.2959)
Luminance0.0459 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#33347B #7B7A33
analogous
#33587B #33347B #56337B
triadic
#33347B #7B3334 #347B33
tetradic
#33347B #7B3358 #7B7A33 #337B56
square
#33347B #7B3358 #7B7A33 #337B56
split-complementary
#33347B #7B5633 #587B33
monochromatic
#0F0F24 #212250 #33347B #4546A6 #6869C0

Accessibility & contrast

On white

10.95
#33347B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.92
#33347B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #33347B
10.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##33347B#FFFFFF#000000##FFFFFF
##33347B1.0010.951.9210.95
#FFFFFF10.951.0021.001.00
#0000001.9221.001.0021.00
##FFFFFF10.951.0021.001.00

Color blindness preview

Protanopia (red-blind)
#023F7D
Deuteranopia (green-blind)
#003A7A
Tritanopia (blue-blind)
#0C4452
Achromatopsia (no color)
#3C3C3C

Design tokens & code

CSS
--color: #33347b;
/* rgb */ color: rgb(51, 52, 123);
/* oklch */ color: oklch(36.7% 0.118 278.3);
Tailwind
colors: {
  custom: {
    50: '#726ba2',
    500: '#33347b',
    950: '#000000',
  },
}
SCSS
$custom: #33347b;
$custom-light: #726ba2;
$custom-dark: #000000;
JSON
{
  "hex": "#33347b",
  "rgb": {
    "r": 51,
    "g": 52,
    "b": 123
  },
  "hsl": {
    "h": 239.167,
    "s": 41.379,
    "l": 34.118
  },
  "oklch": {
    "l": 0.36678,
    "c": 0.11793,
    "h": 278.3
  },
  "luminance": 0.0459
}

Semantic roles & 50–950 ramp

primary
#33347B
secondary
#A8A762
accent
#D057D1
background
#F7F6FA
surface
#EDEBF3
border
#C8C6CD
text
#08060F
muted
#7B7A7F

Preview Lab

Preview with #33347B

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

Preview Lab → · Contrast checker → · Palette generator →

#33347B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva