#343D36
Closest named color: Onyx (#343A40). oklch(34.9% 0.017 152), rgb(52, 61, 54).
Aa
White text reads best on this color (11.24:1).
About this color
#343D36 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 0.023 away. White text reads best on it, at 11.24:1.
| Hue family | Neutrals |
| Lightness | dark (35%) |
| Chroma | close to neutral grey (0.017) |
| Temperature | neutral |
| Nearest name | Onyx (#343A40) |
| Black text | 1.86:1 |
| White text | 11.24:1 |
Values
| HEX | #343D36 |
| RGB | rgb(52, 61, 54) |
| HSL | hsl(133, 8%, 22%) |
| OKLCH | oklch(34.9% 0.017 152) |
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 #343D36 | 11.24:1 | AAA | Lc -99.8 | Preferred for body text |
| Black text on #343D36 | 1.86:1 | Fails | Lc 7.9 | Not readable |
| #343D36 text on white | 11.24:1 | AAA | Lc 96.0 | Preferred for body text |
| #343D36 text on black | 1.86:1 | 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
#F5F6F5
oklch(97.2% 0.002 145.6)
-
Step 100
100
#E8EAE9
oklch(93.5% 0.003 165.1)
-
Step 200
200
#D6DAD7
oklch(88.4% 0.006 153.8)
-
Step 300
300
#BBC3BD
oklch(80.9% 0.012 153.6)
-
Step 400
400
#98A49A
oklch(70.6% 0.02 150.4)
-
Step 500
500
#7E8E82
oklch(63% 0.026 153.2)
-
Step 600
600
#67786B
oklch(55.5% 0.028 152.4)
-
Step 700
700
#566559
oklch(49% 0.026 151.2)
-
Step 800
800
#465349
oklch(42.8% 0.023 152.2)
-
Step 900
900 (this color)
#343D36
oklch(34.9% 0.017 152)
-
Step 950
950
#232824
oklch(27% 0.01 151.4)
#343D36 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) | #3D3B36 | 0.016 |
| Deuteranopia (no green cones) | #3B3A36 | 0.014 |
| Tritanopia (no blue cones) | #333D3B | 0.009 |
| Achromatopsia (no color) | #3B3B3B | 0.017 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #343D36
#343D36
oklch(34.9% 0.017 152)
- #40373E
#40373E
oklch(34.9% 0.017 333.6)
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 #343D36, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Onyx #343A40 ΔE 0.023
- Charcoal Grey #3C4142 ΔE 0.026
- Dark Blue Grey #1F3B4D ΔE 0.050
- Charcoal #264653 ΔE 0.050
- Gunmetal #293241 ΔE 0.051
- Pakistan Green #283618 ΔE 0.053
- Midnight Green #073B4C ΔE 0.060
- Dark Slate Gray #2F4F4F ΔE 0.061
Use #343D36 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.