#042529#042529

#042529 is a very dark, muted teal. Relative luminance 0.015; OKLCH L 24.3% C 0.038 H 206.6°. Best body text is #FFFFFF at 16.13:1 contrast (WCAG AA passes).

Color values

HEX#042529
RGBrgb(4, 37, 41)
HSLhsl(186, 82%, 9%)
HSVhsv(186, 90%, 16%)
CMYKcmyk(90.2%, 9.8%, 0%, 83.9%)
CIE-LABlab(12.66, -10.06, -6.10)
CIE-LCHlch(12.66, 11.76, 211.26°)
OKLaboklab(24.32% -0.0339 -0.017)
OKLCHoklch(24.32% 0.038 206.6)
XYZxyz(1.1117, 1.5089, 2.3300)
Luminance0.0151 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#042529 #290804
analogous
#04291B #042529 #041329
triadic
#042529 #290425 #252904
tetradic
#042529 #1B0429 #290804 #132904
square
#042529 #1B0429 #290804 #132904
split-complementary
#042529 #290413 #291B04
monochromatic
#03191C #03191C #042529 #095761 #0F8A99

Accessibility & contrast

On white

16.13
#042529 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.30
#042529 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #042529
16.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##042529#FFFFFF#000000##FFFFFF
##0425291.0016.131.3016.13
#FFFFFF16.131.0021.001.00
#0000001.3021.001.0021.00
##FFFFFF16.131.0021.001.00

Color blindness preview

Protanopia (red-blind)
#212329
Deuteranopia (green-blind)
#1C1F29
Tritanopia (blue-blind)
#002726
Achromatopsia (no color)
#212121

Design tokens & code

CSS
--color: #042529;
/* rgb */ color: rgb(4, 37, 41);
/* oklch */ color: oklch(24.3% 0.038 206.6);
Tailwind
colors: {
  custom: {
    50: '#4b5f62',
    500: '#042529',
    950: '#000000',
  },
}
SCSS
$custom: #042529;
$custom-light: #4b5f62;
$custom-dark: #000000;
JSON
{
  "hex": "#042529",
  "rgb": {
    "r": 4,
    "g": 37,
    "b": 41
  },
  "hsl": {
    "h": 186.486,
    "s": 82.222,
    "l": 8.824
  },
  "oklch": {
    "l": 0.24322,
    "c": 0.0379,
    "h": 206.6
  },
  "luminance": 0.01509
}

Semantic roles & 50–950 ramp

primary
#042529
secondary
#6C261D
accent
#452FF9
background
#F4F5F5
surface
#E7E9EA
border
#C3C5C6
text
#010405
muted
#777979

Preview Lab

Preview with #042529

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

Preview Lab → · Contrast checker → · Palette generator →

#042529 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva