#43370B#43370B

#43370B is a dark, moderate yellow. Relative luminance 0.040; OKLCH L 34.1% C 0.062 H 93.1°. Best body text is #FFFFFF at 11.73:1 contrast (WCAG AA passes).

Color values

HEX#43370B
RGBrgb(67, 55, 11)
HSLhsl(47, 72%, 15%)
HSVhsv(47, 84%, 26%)
CMYKcmyk(0%, 17.9%, 83.6%, 73.7%)
CIE-LABlab(23.51, -0.19, 27.91)
CIE-LCHlch(23.51, 27.91, 90.40°)
OKLaboklab(34.05% -0.0034 0.0616)
OKLCHoklch(34.05% 0.062 93.1)
XYZxyz(3.7415, 3.9500, 0.8819)
Luminance0.0395 (WCAG relative)
Temperaturewarm
Familyyellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#43370B #0B1743
analogous
#431B0B #43370B #33430B
triadic
#43370B #0B4337 #370B43
tetradic
#43370B #0B431B #0B1743 #430B33
square
#43370B #0B431B #0B1743 #430B33
split-complementary
#43370B #0B3343 #1B0B43
monochromatic
#1A1604 #1A1604 #43370B #786214 #AC8D1C

Accessibility & contrast

On white

11.73
#43370B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.79
#43370B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #43370B
11.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##43370B#FFFFFF#000000##FFFFFF
##43370B1.0011.731.7911.73
#FFFFFF11.731.0021.001.00
#0000001.7921.001.0021.00
##FFFFFF11.731.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3E3605
Deuteranopia (green-blind)
#41390E
Tritanopia (blue-blind)
#49322E
Achromatopsia (no color)
#383838

Design tokens & code

CSS
--color: #43370b;
/* rgb */ color: rgb(67, 55, 11);
/* oklch */ color: oklch(34.1% 0.062 93.1);
Tailwind
colors: {
  custom: {
    50: '#7a6d4d',
    500: '#43370b',
    950: '#000000',
  },
}
SCSS
$custom: #43370b;
$custom-light: #7a6d4d;
$custom-dark: #000000;
JSON
{
  "hex": "#43370b",
  "rgb": {
    "r": 67,
    "g": 55,
    "b": 11
  },
  "hsl": {
    "h": 47.143,
    "s": 71.795,
    "l": 15.294
  },
  "oklch": {
    "l": 0.34054,
    "c": 0.06173,
    "h": 93.1
  },
  "luminance": 0.0395
}

Semantic roles & 50–950 ramp

primary
#43370B
secondary
#2A3D80
accent
#60EF39
background
#F7F6F4
surface
#EEEBE7
border
#C9C6C3
text
#090701
muted
#7B7A77

Preview Lab

Preview with #43370B

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

Preview Lab → · Contrast checker → · Palette generator →

#43370B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva