#333B4E#333B4E

#333B4E is a dark, muted blue. Relative luminance 0.044; OKLCH L 35.3% C 0.035 H 266.9°. Best body text is #FFFFFF at 11.19:1 contrast (WCAG AA passes).

Color values

HEX#333B4E
RGBrgb(51, 59, 78)
HSLhsl(222, 21%, 25%)
HSVhsv(222, 35%, 31%)
CMYKcmyk(34.6%, 24.4%, 0%, 69.4%)
CIE-LABlab(24.89, 1.95, -12.64)
CIE-LCHlch(24.89, 12.79, 278.75°)
OKLaboklab(35.32% -0.0019 -0.0349)
OKLCHoklch(35.32% 0.035 266.9)
XYZxyz(4.3040, 4.3816, 7.8252)
Luminance0.0438 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#333B4E #4E4633
analogous
#33484E #333B4E #38334E
triadic
#333B4E #4E333B #3B4E33
tetradic
#333B4E #4E3348 #4E4633 #334E38
square
#333B4E #4E3348 #4E4633 #334E38
split-complementary
#333B4E #4E3833 #484E33
monochromatic
#0C0E13 #1B1F29 #333B4E #4B5773 #637398

Accessibility & contrast

On white

11.19
#333B4E on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.88
#333B4E on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #333B4E
11.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##333B4E#FFFFFF#000000##FFFFFF
##333B4E1.0011.191.8811.19
#FFFFFF11.191.0021.001.00
#0000001.8821.001.0021.00
##FFFFFF11.191.0021.001.00

Color blindness preview

Protanopia (red-blind)
#353C4F
Deuteranopia (green-blind)
#323A4E
Tritanopia (blue-blind)
#2B3F41
Achromatopsia (no color)
#3B3B3B

Design tokens & code

CSS
--color: #333b4e;
/* rgb */ color: rgb(51, 59, 78);
/* oklch */ color: oklch(35.3% 0.035 266.9);
Tailwind
colors: {
  custom: {
    50: '#6b707f',
    500: '#333b4e',
    950: '#000000',
  },
}
SCSS
$custom: #333b4e;
$custom-light: #6b707f;
$custom-dark: #000000;
JSON
{
  "hex": "#333b4e",
  "rgb": {
    "r": 51,
    "g": 59,
    "b": 78
  },
  "hsl": {
    "h": 222.222,
    "s": 20.93,
    "l": 25.294
  },
  "oklch": {
    "l": 0.35317,
    "c": 0.03494,
    "h": 266.9
  },
  "luminance": 0.04382
}

Semantic roles & 50–950 ramp

primary
#333B4E
secondary
#7F755E
accent
#A56ABD
background
#F6F6F7
surface
#EBECEE
border
#C6C7C9
text
#07070A
muted
#7A7A7C

Preview Lab

Preview with #333B4E

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

Preview Lab → · Contrast checker → · Palette generator →

#333B4E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva