#433738
Closest named color: Onyx (#343A40). oklch(35% 0.017 12.3), rgb(67, 55, 56).
Aa
White text reads best on this color (11.39:1).
About this color
#433738 is a dark close to neutral grey. In OKLCH its lightness is 35%, its chroma 0.017. It has too little chroma to lean warm or cool. The nearest named color is Onyx (#343A40), ΔE 0.027 away. White text reads best on it, at 11.39:1.
| Hue family | Neutrals |
| Lightness | dark (35%) |
| Chroma | close to neutral grey (0.017) |
| Temperature | neutral |
| Nearest name | Onyx (#343A40) |
| Black text | 1.84:1 |
| White text | 11.39:1 |
Values
| HEX | #433738 |
| RGB | rgb(67, 55, 56) |
| HSL | hsl(355, 10%, 24%) |
| OKLCH | oklch(35% 0.017 12.3) |
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 #433738 | 11.39:1 | AAA | Lc -100.0 | Preferred for body text |
| Black text on #433738 | 1.84:1 | Fails | Lc 7.6 | Not readable |
| #433738 text on white | 11.39:1 | AAA | Lc 96.3 | Preferred for body text |
| #433738 text on black | 1.84:1 | 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
#F6F5F5
oklch(97.1% 0.001 17.2)
-
Step 100
100
#ECE9E9
oklch(93.6% 0.003 17.2)
-
Step 200
200
#DED7D8
oklch(88.5% 0.008 7.3)
-
Step 300
300
#C9BDBE
oklch(80.9% 0.014 11.6)
-
Step 400
400
#AD9C9D
oklch(70.8% 0.02 13.6)
-
Step 500
500
#998385
oklch(63.1% 0.027 11.7)
-
Step 600
600
#836D6F
oklch(55.6% 0.028 11.8)
-
Step 700
700
#6F5B5C
oklch(49.1% 0.026 14.7)
-
Step 800
800
#5A4A4C
oklch(42.6% 0.022 9.6)
-
Step 900
900 (this color)
#433738
oklch(35% 0.017 12.3)
-
Step 950
950
#2B2425
oklch(26.9% 0.011 8.1)
#433738 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) | #393938 | 0.018 |
| Deuteranopia (no green cones) | #3C3B38 | 0.017 |
| Tritanopia (no blue cones) | #463637 | 0.006 |
| Achromatopsia (no color) | #3A3A3A | 0.017 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #433738
#433738
oklch(35% 0.017 12.3)
- #303D3D
#303D3D
oklch(34.8% 0.017 196.4)
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 #433738, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Onyx #343A40 ΔE 0.027
- Charcoal Grey #3C4142 ΔE 0.032
- Gunmetal #293241 ΔE 0.052
- Dark Blue Grey #1F3B4D ΔE 0.061
- Space Cadet #2B2D42 ΔE 0.062
- Charcoal #264653 ΔE 0.064
- Dark Grey Blue #29465B ΔE 0.070
- Purple Brown #673A3F ΔE 0.072
Use #433738 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.