#463740
Closest named color: Onyx (#343A40). oklch(35.6% 0.026 341.8), rgb(70, 55, 64).
Aa
White text reads best on this color (11.16:1).
About this color
#463740 is a dark close to neutral grey. In OKLCH its lightness is 36%, its chroma 0.026. 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 11.16:1.
| Hue family | Neutrals |
| Lightness | dark (36%) |
| Chroma | close to neutral grey (0.026) |
| Temperature | neutral |
| Nearest name | Onyx (#343A40) |
| Black text | 1.88:1 |
| White text | 11.16:1 |
Values
| HEX | #463740 |
| RGB | rgb(70, 55, 64) |
| HSL | hsl(324, 12%, 25%) |
| OKLCH | oklch(35.6% 0.026 341.8) |
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 #463740 | 11.16:1 | AAA | Lc -99.6 | Preferred for body text |
| Black text on #463740 | 1.88:1 | Fails | Lc 8.1 | Not readable |
| #463740 text on white | 11.16:1 | AAA | Lc 95.8 | Preferred for body text |
| #463740 text on black | 1.88:1 | 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
#DED6DB
oklch(88.4% 0.011 339.4)
-
Step 300
300
#CABCC4
oklch(80.9% 0.019 342.1)
-
Step 400
400
#AF99A6
oklch(70.6% 0.032 341.7)
-
Step 500
500
#9B8090
oklch(63% 0.04 342)
-
Step 600
600
#866A7A
oklch(55.7% 0.042 343.3)
-
Step 700
700
#715867
oklch(49.1% 0.04 342)
-
Step 800
800
#5C4854
oklch(42.7% 0.033 341.9)
-
Step 900
900 (this color)
#463740
oklch(35.6% 0.026 341.8)
-
Step 950
950
#2C2329
oklch(26.9% 0.017 338.5)
#463740 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 | 0.026 |
| Deuteranopia (no green cones) | #3B3C40 | 0.024 |
| Tritanopia (no blue cones) | #48373A | 0.011 |
| Achromatopsia (no color) | #3B3B3B | 0.026 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #463740
#463740
oklch(35.6% 0.026 341.8)
- #304138
#304138
oklch(35.7% 0.027 161.6)
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 #463740, 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 0.034
- Gunmetal #293241 ΔE 0.055
- Dark Blue Grey #1F3B4D ΔE 0.061
- Space Cadet #2B2D42 ΔE 0.062
- Charcoal #264653 ΔE 0.063
- Dark Grey Blue #29465B ΔE 0.065
- Purple Brown #673A3F ΔE 0.066
Use #463740 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.