#43372D
Closest named color: Onyx (#343A40). oklch(34.7% 0.024 61.7), rgb(67, 55, 45).
Aa
White text reads best on this color (11.51:1).
About this color
#43372D is a dark close to neutral grey. In OKLCH its lightness is 35%, its chroma 0.024. It has too little chroma to lean warm or cool. The nearest named color is Onyx (#343A40), ΔE 0.037 away. White text reads best on it, at 11.51:1.
| Hue family | Neutrals |
| Lightness | dark (35%) |
| Chroma | close to neutral grey (0.024) |
| Temperature | neutral |
| Nearest name | Onyx (#343A40) |
| Black text | 1.82:1 |
| White text | 11.51:1 |
Values
| HEX | #43372D |
| RGB | rgb(67, 55, 45) |
| HSL | hsl(27, 20%, 22%) |
| OKLCH | oklch(34.7% 0.024 61.7) |
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 #43372D | 11.51:1 | AAA | Lc -100.2 | Preferred for body text |
| Black text on #43372D | 1.82:1 | Fails | Lc 7.4 | Not readable |
| #43372D text on white | 11.51:1 | AAA | Lc 96.5 | Preferred for body text |
| #43372D 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
#DED8D3
oklch(88.6% 0.009 62.6)
-
Step 300
300
#C9BEB5
oklch(80.8% 0.018 61.9)
-
Step 400
400
#AE9D8F
oklch(70.7% 0.028 61.8)
-
Step 500
500
#9A8573
oklch(63.1% 0.037 62.7)
-
Step 600
600
#856E5C
oklch(55.5% 0.04 59.9)
-
Step 700
700
#715C4B
oklch(49.1% 0.038 60.7)
-
Step 800
800
#5C4B3E
oklch(42.6% 0.031 59.2)
-
Step 900
900 (this color)
#43372D
oklch(34.7% 0.024 61.7)
-
Step 950
950
#2C251F
oklch(27% 0.015 62.7)
#43372D 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) | #3B382C | 0.015 |
| Deuteranopia (no green cones) | #3E3A2D | 0.013 |
| Tritanopia (no blue cones) | #473534 | 0.017 |
| Achromatopsia (no color) | #393939 | 0.024 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #43372D
#43372D
oklch(34.7% 0.024 61.7)
- #2F3B45
#2F3B45
oklch(34.6% 0.024 243.6)
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 #43372D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Onyx #343A40 ΔE 0.037
- Charcoal Grey #3C4142 ΔE 0.039
- Pakistan Green #283618 ΔE 0.060
- Gunmetal #293241 ΔE 0.061
- Dark Olive #373E02 ΔE 0.067
- Dark Blue Grey #1F3B4D ΔE 0.071
- Space Cadet #2B2D42 ΔE 0.072
- Charcoal #264653 ΔE 0.073
Use #43372D 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.