#33404E#33404E

#33404E is a dark, muted cyan. Relative luminance 0.049; OKLCH L 36.6% C 0.030 H 250.5°. Best body text is #FFFFFF at 10.58:1 contrast (WCAG AA passes).

Color values

HEX#33404E
RGBrgb(51, 64, 78)
HSLhsl(211, 21%, 25%)
HSVhsv(211, 35%, 31%)
CMYKcmyk(34.6%, 17.9%, 0%, 69.4%)
CIE-LABlab(26.51, -1.36, -10.18)
CIE-LCHlch(26.51, 10.27, 262.39°)
OKLaboklab(36.58% -0.0099 -0.028)
OKLCHoklch(36.58% 0.03 250.5)
XYZxyz(4.5734, 4.9205, 7.9150)
Luminance0.0492 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#33404E #4E4133
analogous
#334D4E #33404E #33334E
triadic
#33404E #4E3340 #404E33
tetradic
#33404E #4E334D #4E4133 #334E33
square
#33404E #4E334D #4E4133 #334E33
split-complementary
#33404E #4E3333 #4D4E33
monochromatic
#0C0F13 #1B2229 #33404E #4B5E73 #637D98

Accessibility & contrast

On white

10.58
#33404E on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.98
#33404E on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #33404E
10.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##33404E#FFFFFF#000000##FFFFFF
##33404E1.0010.581.9810.58
#FFFFFF10.581.0021.001.00
#0000001.9821.001.0021.00
##FFFFFF10.581.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3B404F
Deuteranopia (green-blind)
#383D4E
Tritanopia (blue-blind)
#2B4345
Achromatopsia (no color)
#3F3F3F

Design tokens & code

CSS
--color: #33404e;
/* rgb */ color: rgb(51, 64, 78);
/* oklch */ color: oklch(36.6% 0.030 250.5);
Tailwind
colors: {
  custom: {
    50: '#6b747f',
    500: '#33404e',
    950: '#000000',
  },
}
SCSS
$custom: #33404e;
$custom-light: #6b747f;
$custom-dark: #000000;
JSON
{
  "hex": "#33404e",
  "rgb": {
    "r": 51,
    "g": 64,
    "b": 78
  },
  "hsl": {
    "h": 211.111,
    "s": 20.93,
    "l": 25.294
  },
  "oklch": {
    "l": 0.36581,
    "c": 0.02966,
    "h": 250.5
  },
  "luminance": 0.04921
}

Semantic roles & 50–950 ramp

primary
#33404E
secondary
#7F6F5E
accent
#956ABD
background
#F6F7F7
surface
#EBEDEE
border
#C6C8C9
text
#07080A
muted
#7A7B7C

Preview Lab

Preview with #33404E

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

Preview Lab → · Contrast checker → · Palette generator →

#33404E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva