#433840
Closest named color: Onyx (#343A40). oklch(35.5% 0.02 335.7), rgb(67, 56, 64).
Aa
White text reads best on this color (11.17:1).
About this color
#433840 is a dark close to neutral grey. In OKLCH its lightness is 36%, its chroma 0.020. It has too little chroma to lean warm or cool. The nearest named color is Onyx (#343A40), ΔE 0.026 away. White text reads best on it, at 11.17:1.
| Hue family | Neutrals |
| Lightness | dark (36%) |
| Chroma | close to neutral grey (0.020) |
| Temperature | neutral |
| Nearest name | Onyx (#343A40) |
| Black text | 1.87:1 |
| White text | 11.17:1 |
Values
| HEX | #433840 |
| RGB | rgb(67, 56, 64) |
| HSL | hsl(316, 9%, 24%) |
| OKLCH | oklch(35.5% 0.02 335.7) |
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 #433840 | 11.17:1 | AAA | Lc -99.6 | Preferred for body text |
| Black text on #433840 | 1.87:1 | Fails | Lc 8.0 | Not readable |
| #433840 text on white | 11.17:1 | AAA | Lc 95.8 | Preferred for body text |
| #433840 text on black | 1.87:1 | 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
#F6F5F6
oklch(97.1% 0.002 325.6)
-
Step 100
100
#ECE9EB
oklch(93.7% 0.004 337.4)
-
Step 200
200
#DDD7DB
oklch(88.5% 0.008 337.5)
-
Step 300
300
#C7BDC4
oklch(80.9% 0.015 336.2)
-
Step 400
400
#AB9BA6
oklch(70.7% 0.024 337)
-
Step 500
500
#968391
oklch(63.2% 0.031 335.2)
-
Step 600
600
#816C7B
oklch(55.6% 0.034 336.4)
-
Step 700
700
#6D5A68
oklch(49.1% 0.033 335.5)
-
Step 800
800
#594A55
oklch(42.8% 0.027 335.6)
-
Step 900
900 (this color)
#433840
oklch(35.5% 0.02 335.7)
-
Step 950
950
#2B2429
oklch(27% 0.014 336.2)
#433840 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) | #383A40 | 0.020 |
| Deuteranopia (no green cones) | #3A3C40 | 0.019 |
| Tritanopia (no blue cones) | #44383B | 0.009 |
| Achromatopsia (no color) | #3B3B3B | 0.021 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #433840
#433840
oklch(35.5% 0.02 335.7)
- #343F37
#343F37
oklch(35.5% 0.02 153.7)
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 #433840, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Onyx #343A40 ΔE 0.026
- Charcoal Grey #3C4142 ΔE 0.029
- Gunmetal #293241 ΔE 0.051
- Dark Blue Grey #1F3B4D ΔE 0.056
- Charcoal #264653 ΔE 0.058
- Space Cadet #2B2D42 ΔE 0.059
- Dark Grey Blue #29465B ΔE 0.061
- Purple Brown #673A3F ΔE 0.070
Use #433840 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.