#33447B#33447B

#33447B is a dark, moderate blue. Relative luminance 0.063; OKLCH L 40.1% C 0.095 H 268.9°. Best body text is #FFFFFF at 9.32:1 contrast (WCAG AA passes).

Color values

HEX#33447B
RGBrgb(51, 68, 123)
HSLhsl(226, 41%, 34%)
HSVhsv(226, 59%, 48%)
CMYKcmyk(58.5%, 44.7%, 0%, 51.8%)
CIE-LABlab(30.08, 11.03, -33.44)
CIE-LCHlch(30.08, 35.21, 288.26°)
OKLaboklab(40.12% -0.0018 -0.0951)
OKLCHoklch(40.12% 0.095 268.9)
XYZxyz(7.0063, 6.2676, 19.5756)
Luminance0.0627 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#33447B #7B6A33
analogous
#33687B #33447B #46337B
triadic
#33447B #7B3344 #447B33
tetradic
#33447B #7B3368 #7B6A33 #337B46
square
#33447B #7B3368 #7B6A33 #337B46
split-complementary
#33447B #7B4633 #687B33
monochromatic
#0F1424 #212C50 #33447B #455CA6 #687DC0

Accessibility & contrast

On white

9.32
#33447B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.25
#33447B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #33447B
9.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##33447B#FFFFFF#000000##FFFFFF
##33447B1.009.322.259.32
#FFFFFF9.321.0021.001.00
#0000002.2521.001.0021.00
##FFFFFF9.321.0021.001.00

Color blindness preview

Protanopia (red-blind)
#2C4A7D
Deuteranopia (green-blind)
#23447A
Tritanopia (blue-blind)
#065059
Achromatopsia (no color)
#474747

Design tokens & code

CSS
--color: #33447b;
/* rgb */ color: rgb(51, 68, 123);
/* oklch */ color: oklch(40.1% 0.095 268.9);
Tailwind
colors: {
  custom: {
    50: '#7177a1',
    500: '#33447b',
    950: '#000000',
  },
}
SCSS
$custom: #33447b;
$custom-light: #7177a1;
$custom-dark: #000000;
JSON
{
  "hex": "#33447b",
  "rgb": {
    "r": 51,
    "g": 68,
    "b": 123
  },
  "hsl": {
    "h": 225.833,
    "s": 41.379,
    "l": 34.118
  },
  "oklch": {
    "l": 0.40117,
    "c": 0.0951,
    "h": 268.9
  },
  "luminance": 0.06268
}

Semantic roles & 50–950 ramp

primary
#33447B
secondary
#A89862
accent
#B457D1
background
#F7F7FA
surface
#EDEDF3
border
#C8C8CD
text
#08080F
muted
#7B7B7F

Preview Lab

Preview with #33447B

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

Preview Lab → · Contrast checker → · Palette generator →

#33447B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva