#43400B#43400B

#43400B is a dark, moderate yellow. Relative luminance 0.049; OKLCH L 36.4% C 0.070 H 106.1°. Best body text is #FFFFFF at 10.62:1 contrast (WCAG AA passes).

Color values

HEX	#43400B
RGB	rgb(67, 64, 11)
HSL	hsl(57, 72%, 15%)
HSV	hsv(57, 84%, 26%)
CMYK	cmyk(0%, 4.5%, 83.6%, 73.7%)
CIE-LAB	lab(26.40, -5.88, 30.71)
CIE-LCH	lch(26.40, 31.26, 100.84°)
OKLab	oklab(36.35% -0.0195 0.0675)
OKLCH	oklch(36.35% 0.07 106.1)
XYZ	xyz(4.2087, 4.8844, 1.0376)
Luminance	0.0488 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#43400B #0B0E43

analogous

#43240B #43400B #2A430B

triadic

#43400B #0B4340 #400B43

tetradic

#43400B #0B4324 #0B0E43 #430B2A

square

#43400B #0B4324 #0B0E43 #430B2A

split-complementary

#43400B #0B2A43 #240B43

monochromatic

#1A1904 #1A1904 #43400B #787214 #ACA41C

Accessibility & contrast

On white

10.62

#43400B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#43400B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #43400B

10.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##43400B	#FFFFFF	#000000	##FFFFFF
##43400B	1.00	10.62	1.98	10.62
#FFFFFF	10.62	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#463D03

Deuteranopia (green-blind)

#483F0F

Tritanopia (blue-blind)

#493B36

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #43400b;
/* rgb */ color: rgb(67, 64, 11);
/* oklch */ color: oklch(36.4% 0.070 106.1);

Tailwind

colors: {
  custom: {
    50: '#7a744f',
    500: '#43400b',
    950: '#000000',
  },
}

SCSS

$custom: #43400b;
$custom-light: #7a744f;
$custom-dark: #000000;

JSON

{
  "hex": "#43400b",
  "rgb": {
    "r": 67,
    "g": 64,
    "b": 11
  },
  "hsl": {
    "h": 56.786,
    "s": 71.795,
    "l": 15.294
  },
  "oklch": {
    "l": 0.36353,
    "c": 0.07025,
    "h": 106.1
  },
  "luminance": 0.04884
}

Semantic roles & 50–950 ramp

primary

#43400B

secondary

#2A2F80

accent

#43EF39

background

#F7F7F4

surface

#EEEDE7

border

#C9C8C3

text

#090802

muted

#7B7B78

Preview Lab

Preview with #43400B

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

Preview Lab → · Contrast checker → · Palette generator →