#43372C
Closest named color: Onyx (#343A40). oklch(34.6% 0.025 64.4), rgb(67, 55, 44).
Aa
White text reads best on this color (11.52:1).
About this color
#43372C is a dark close to neutral grey. In OKLCH its lightness is 35%, its chroma 0.025. It has too little chroma to lean warm or cool. The nearest named color is Onyx (#343A40), ΔE 0.038 away. White text reads best on it, at 11.52:1.
| Hue family | Neutrals |
| Lightness | dark (35%) |
| Chroma | close to neutral grey (0.025) |
| Temperature | neutral |
| Nearest name | Onyx (#343A40) |
| Black text | 1.82:1 |
| White text | 11.52:1 |
Values
| HEX | #43372C |
| RGB | rgb(67, 55, 44) |
| HSL | hsl(29, 21%, 22%) |
| OKLCH | oklch(34.6% 0.025 64.4) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #43372C | 11.52:1 | AAA | Lc -100.2 | Preferred for body text |
| Black text on #43372C | 1.82:1 | Fails | Lc 7.3 | Not readable |
| #43372C text on white | 11.52:1 | AAA | Lc 96.5 | Preferred for body text |
| #43372C text on black | 1.82:1 | Fails | Lc 0.0 | Not readable |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 900.
-
Step 50
50
#F7F5F4
oklch(97.1% 0.003 48.7)
-
Step 100
100
#ECE9E6
oklch(93.6% 0.005 67.8)
-
Step 200
200
#DED8D2
oklch(88.5% 0.011 67.7)
-
Step 300
300
#CABEB4
oklch(80.9% 0.019 62.4)
-
Step 400
400
#AE9D8E
oklch(70.7% 0.029 63.8)
-
Step 500
500
#9A8572
oklch(63.1% 0.038 64.2)
-
Step 600
600
#856F5A
oklch(55.7% 0.042 65.5)
-
Step 700
700
#715C4A
oklch(49.1% 0.039 62.3)
-
Step 800
800
#5C4C3D
oklch(42.9% 0.032 65)
-
Step 900
900 (this color)
#43372C
oklch(34.6% 0.025 64.4)
-
Step 950
950
#2C251E
oklch(27% 0.016 67)
#43372C with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #3B382B | 0.015 |
| Deuteranopia (no green cones) | #3E3A2C | 0.013 |
| Tritanopia (no blue cones) | #473434 | 0.021 |
| Achromatopsia (no color) | #393939 | 0.025 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #43372C
#43372C
oklch(34.6% 0.025 64.4)
- #2F3B46
#2F3B46
oklch(34.6% 0.025 246.3)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #43372C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Onyx #343A40 ΔE 0.038
- Charcoal Grey #3C4142 ΔE 0.040
- Pakistan Green #283618 ΔE 0.059
- Gunmetal #293241 ΔE 0.062
- Dark Olive #373E02 ΔE 0.066
- Dark Blue Grey #1F3B4D ΔE 0.072
- Space Cadet #2B2D42 ΔE 0.073
- Charcoal #264653 ΔE 0.074
Use #43372C in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.