#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
RGB	rgb(67, 55, 11)
HSL	hsl(47, 72%, 15%)
HSV	hsv(47, 84%, 26%)
CMYK	cmyk(0%, 17.9%, 83.6%, 73.7%)
CIE-LAB	lab(23.51, -0.19, 27.91)
CIE-LCH	lch(23.51, 27.91, 90.40°)
OKLab	oklab(34.05% -0.0034 0.0616)
OKLCH	oklch(34.05% 0.062 93.1)
XYZ	xyz(3.7415, 3.9500, 0.8819)
Luminance	0.0395 (WCAG relative)
Temperature	warm
Family	yellow

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
##43370B	1.00	11.73	1.79	11.73
#FFFFFF	11.73	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.73	1.00	21.00	1.00

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 →