#2B403B#2B403B

#2B403B is a dark, muted teal. Relative luminance 0.045; OKLCH L 35.2% C 0.028 H 178.2°. Best body text is #FFFFFF at 11.06:1 contrast (WCAG AA passes).

Color values

HEX#2B403B
RGBrgb(43, 64, 59)
HSLhsl(166, 20%, 21%)
HSVhsv(166, 33%, 25%)
CMYKcmyk(32.8%, 0%, 7.8%, 74.9%)
CIE-LABlab(25.25, -9.58, 0.40)
CIE-LCHlch(25.25, 9.59, 177.63°)
OKLaboklab(35.2% -0.028 0.0009)
OKLCHoklch(35.2% 0.028 178.2)
XYZxyz(3.6188, 4.4960, 4.8140)
Luminance0.0450 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#2B403B #402B30
analogous
#2B4030 #2B403B #2B3A40
triadic
#2B403B #3B2B40 #403B2B
tetradic
#2B403B #302B40 #402B30 #3A402B
square
#2B403B #302B40 #402B30 #3A402B
split-complementary
#2B403B #402B3A #40302B
monochromatic
#0C1211 #121B19 #2B403B #44655D #5C897E

Accessibility & contrast

On white

11.06
#2B403B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.90
#2B403B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B403B
11.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##2B403B#FFFFFF#000000##FFFFFF
##2B403B1.0011.061.9011.06
#FFFFFF11.061.0021.001.00
#0000001.9021.001.0021.00
##FFFFFF11.061.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3E3E3B
Deuteranopia (green-blind)
#3B3B3B
Tritanopia (blue-blind)
#25413E
Achromatopsia (no color)
#3C3C3C

Design tokens & code

CSS
--color: #2b403b;
/* rgb */ color: rgb(43, 64, 59);
/* oklch */ color: oklch(35.2% 0.028 178.2);
Tailwind
colors: {
  custom: {
    50: '#657470',
    500: '#2b403b',
    950: '#000000',
  },
}
SCSS
$custom: #2b403b;
$custom-light: #657470;
$custom-dark: #000000;
JSON
{
  "hex": "#2b403b",
  "rgb": {
    "r": 43,
    "g": 64,
    "b": 59
  },
  "hsl": {
    "h": 165.714,
    "s": 19.626,
    "l": 20.98
  },
  "oklch": {
    "l": 0.35204,
    "c": 0.02797,
    "h": 178.2
  },
  "luminance": 0.04496
}

Semantic roles & 50–950 ramp

primary
#2B403B
secondary
#71565C
accent
#6C7FBC
background
#F6F7F6
surface
#EBEDEC
border
#C6C8C7
text
#050807
muted
#7A7B7A

Preview Lab

Preview with #2B403B

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

Preview Lab → · Contrast checker → · Palette generator →

#2B403B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva