#43333E
Closest named color: Onyx (#343A40). oklch(34.3% 0.029 337.9), rgb(67, 51, 62).
Aa
White text reads best on this color (11.78:1).
About this color
#43333E is a dark close to neutral grey. In OKLCH its lightness is 34%, its chroma 0.029. It has too little chroma to lean warm or cool. The nearest named color is Onyx (#343A40), ΔE 0.032 away. White text reads best on it, at 11.78:1.
| Hue family | Neutrals |
| Lightness | dark (34%) |
| Chroma | close to neutral grey (0.029) |
| Temperature | neutral |
| Nearest name | Onyx (#343A40) |
| Black text | 1.78:1 |
| White text | 11.78:1 |
Values
| HEX | #43333E |
| RGB | rgb(67, 51, 62) |
| HSL | hsl(319, 14%, 23%) |
| OKLCH | oklch(34.3% 0.029 337.9) |
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 #43333E | 11.78:1 | AAA | Lc -100.7 | Preferred for body text |
| Black text on #43333E | 1.78:1 | Fails | Lc 0.0 | Not readable |
| #43333E text on white | 11.78:1 | AAA | Lc 97.0 | Preferred for body text |
| #43333E text on black | 1.78:1 | 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
#F7F5F6
oklch(97.2% 0.002 345.2)
-
Step 100
100
#EDE8EB
oklch(93.6% 0.007 340.4)
-
Step 200
200
#DFD6DC
oklch(88.5% 0.013 337.6)
-
Step 300
300
#CBBBC5
oklch(80.8% 0.023 339.7)
-
Step 400
400
#B099A8
oklch(70.8% 0.034 338.9)
-
Step 500
500
#9C7F93
oklch(63% 0.045 337.6)
-
Step 600
600
#87697D
oklch(55.7% 0.048 338.9)
-
Step 700
700
#72576A
oklch(49.1% 0.045 337.4)
-
Step 800
800
#5D4756
oklch(42.7% 0.038 338.3)
-
Step 900
900 (this color)
#43333E
oklch(34.3% 0.029 337.9)
-
Step 950
950
#2D232A
oklch(27.1% 0.019 337.2)
#43333E 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) | #33363E | 0.029 |
| Deuteranopia (no green cones) | #37393E | 0.027 |
| Tritanopia (no blue cones) | #453337 | 0.013 |
| Achromatopsia (no color) | #383838 | 0.029 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #43333E
#43333E
oklch(34.3% 0.029 337.9)
- #2C3D33
#2C3D33
oklch(34.2% 0.028 158.7)
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 #43333E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Onyx #343A40 ΔE 0.032
- Charcoal Grey #3C4142 ΔE 0.044
- Gunmetal #293241 ΔE 0.046
- Space Cadet #2B2D42 ΔE 0.051
- Dark Blue Grey #1F3B4D ΔE 0.059
- Charcoal #264653 ΔE 0.069
- Prussian Blue #1D3557 ΔE 0.071
- Dark Grey Blue #29465B ΔE 0.072
Use #43333E 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.