#343D31
Closest named color: Onyx (#343A40). oklch(34.8% 0.024 137.9), rgb(52, 61, 49).
Aa
White text reads best on this color (11.30:1).
About this color
#343D31 is a dark close to neutral grey. In OKLCH its lightness is 35%, its chroma 0.024. It has too little chroma to lean warm or cool. The nearest named color is Onyx (#343A40), ΔE 0.031 away. White text reads best on it, at 11.30:1.
| Hue family | Neutrals |
| Lightness | dark (35%) |
| Chroma | close to neutral grey (0.024) |
| Temperature | neutral |
| Nearest name | Onyx (#343A40) |
| Black text | 1.85:1 |
| White text | 11.30:1 |
Values
| HEX | #343D31 |
| RGB | rgb(52, 61, 49) |
| HSL | hsl(105, 11%, 22%) |
| OKLCH | oklch(34.8% 0.024 137.9) |
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 #343D31 | 11.30:1 | AAA | Lc -99.8 | Preferred for body text |
| Black text on #343D31 | 1.85:1 | Fails | Lc 7.8 | Not readable |
| #343D31 text on white | 11.30:1 | AAA | Lc 96.1 | Preferred for body text |
| #343D31 text on black | 1.85:1 | 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
#F5F6F4
oklch(97.2% 0.003 128.5)
-
Step 100
100
#E8EBE7
oklch(93.7% 0.006 137.8)
-
Step 200
200
#D6DBD4
oklch(88.6% 0.011 136.6)
-
Step 300
300
#BBC3B8
oklch(80.8% 0.018 137)
-
Step 400
400
#98A594
oklch(70.7% 0.028 138.3)
-
Step 500
500
#7F8F7A
oklch(63.1% 0.036 138.2)
-
Step 600
600
#687963
oklch(55.6% 0.039 138.6)
-
Step 700
700
#576652
oklch(49.2% 0.036 137.9)
-
Step 800
800
#475343
oklch(42.7% 0.03 137.9)
-
Step 900
900 (this color)
#343D31
oklch(34.8% 0.024 137.9)
-
Step 950
950
#232821
oklch(26.9% 0.015 136.7)
#343D31 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) | #3E3B30 | 0.017 |
| Deuteranopia (no green cones) | #3C3A32 | 0.016 |
| Tritanopia (no blue cones) | #343C3A | 0.017 |
| Achromatopsia (no color) | #3A3A3A | 0.024 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #343D31
#343D31
oklch(34.8% 0.024 137.9)
- #3F3642
#3F3642
oklch(34.7% 0.024 317.7)
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 #343D31, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Onyx #343A40 ΔE 0.031
- Charcoal Grey #3C4142 ΔE 0.033
- Pakistan Green #283618 ΔE 0.047
- Charcoal #264653 ΔE 0.056
- Dark Olive #373E02 ΔE 0.056
- Dark Blue Grey #1F3B4D ΔE 0.057
- Gunmetal #293241 ΔE 0.057
- Evergreen #05472A ΔE 0.058
Use #343D31 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.