#413640
Closest named color: Onyx (#343A40). oklch(34.8% 0.023 329), rgb(65, 54, 64).
Aa
White text reads best on this color (11.49:1).
About this color
#413640 is a dark close to neutral grey. In OKLCH its lightness is 35%, its chroma 0.023. It has too little chroma to lean warm or cool. The nearest named color is Onyx (#343A40), ΔE 0.025 away. White text reads best on it, at 11.49:1.
| Hue family | Neutrals |
| Lightness | dark (35%) |
| Chroma | close to neutral grey (0.023) |
| Temperature | neutral |
| Nearest name | Onyx (#343A40) |
| Black text | 1.82:1 |
| White text | 11.49:1 |
Values
| HEX | #413640 |
| RGB | rgb(65, 54, 64) |
| HSL | hsl(305, 9%, 23%) |
| OKLCH | oklch(34.8% 0.023 329) |
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 #413640 | 11.49:1 | AAA | Lc -100.2 | Preferred for body text |
| Black text on #413640 | 1.82:1 | Fails | Lc 7.4 | Not readable |
| #413640 text on white | 11.49:1 | AAA | Lc 96.5 | Preferred for body text |
| #413640 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
#F6F5F6
oklch(97.1% 0.002 325.6)
-
Step 100
100
#ECE9EB
oklch(93.7% 0.004 337.4)
-
Step 200
200
#DDD7DC
oklch(88.5% 0.009 331)
-
Step 300
300
#C7BDC6
oklch(80.9% 0.017 328.8)
-
Step 400
400
#AB9BA9
oklch(70.8% 0.027 329.9)
-
Step 500
500
#968294
oklch(63.1% 0.035 329.2)
-
Step 600
600
#806C7E
oklch(55.6% 0.037 329.3)
-
Step 700
700
#6C5A6B
oklch(49.1% 0.035 327.9)
-
Step 800
800
#584957
oklch(42.6% 0.03 328.2)
-
Step 900
900 (this color)
#413640
oklch(34.8% 0.023 329)
-
Step 950
950
#2B242A
oklch(27.1% 0.015 330.7)
#413640 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) | #363840 | 0.020 |
| Deuteranopia (no green cones) | #383A40 | 0.019 |
| Tritanopia (no blue cones) | #423739 | 0.014 |
| Achromatopsia (no color) | #393939 | 0.023 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #413640
#413640
oklch(34.8% 0.023 329)
- #323E34
#323E34
oklch(35% 0.023 149.9)
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 #413640, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Onyx #343A40 ΔE 0.025
- Charcoal Grey #3C4142 ΔE 0.035
- Gunmetal #293241 ΔE 0.045
- Space Cadet #2B2D42 ΔE 0.052
- Dark Blue Grey #1F3B4D ΔE 0.053
- Charcoal #264653 ΔE 0.060
- Dark Grey Blue #29465B ΔE 0.063
- Prussian Blue #1D3557 ΔE 0.068
Use #413640 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.