#39392B
Closest named color: Onyx (#343A40). oklch(34% 0.023 107.6), rgb(57, 57, 43).
Aa
White text reads best on this color (11.70:1).
About this color
#39392B is a dark close to neutral grey. In OKLCH its lightness is 34%, its chroma 0.023. It has too little chroma to lean warm or cool. The nearest named color is Onyx (#343A40), ΔE 0.035 away. White text reads best on it, at 11.70:1.
| Hue family | Neutrals |
| Lightness | dark (34%) |
| Chroma | close to neutral grey (0.023) |
| Temperature | neutral |
| Nearest name | Onyx (#343A40) |
| Black text | 1.79:1 |
| White text | 11.70:1 |
Values
| HEX | #39392B |
| RGB | rgb(57, 57, 43) |
| HSL | hsl(60, 14%, 20%) |
| OKLCH | oklch(34% 0.023 107.6) |
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 #39392B | 11.70:1 | AAA | Lc -100.5 | Preferred for body text |
| Black text on #39392B | 1.79:1 | Fails | Lc 0.0 | Not readable |
| #39392B text on white | 11.70:1 | AAA | Lc 96.9 | Preferred for body text |
| #39392B text on black | 1.79:1 | 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
#F5F5F4
oklch(97% 0.001 106.4)
-
Step 100
100
#EAEAE6
oklch(93.6% 0.005 106.5)
-
Step 200
200
#D9DAD2
oklch(88.5% 0.011 112.4)
-
Step 300
300
#C1C2B5
oklch(81% 0.018 110.4)
-
Step 400
400
#A2A28E
oklch(70.7% 0.028 107.1)
-
Step 500
500
#8B8B73
oklch(63% 0.035 107.4)
-
Step 600
600
#75755B
oklch(55.5% 0.038 107.6)
-
Step 700
700
#63624B
oklch(49% 0.035 105.5)
-
Step 800
800
#50503D
oklch(42.6% 0.03 107.6)
-
Step 900
900 (this color)
#39392B
oklch(34% 0.023 107.6)
-
Step 950
950
#27271F
oklch(27% 0.014 107.3)
#39392B 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) | #3B382A | 0.004 |
| Deuteranopia (no green cones) | #3C382C | 0.007 |
| Tritanopia (no blue cones) | #3B3735 | 0.021 |
| Achromatopsia (no color) | #383838 | 0.023 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #39392B
#39392B
oklch(34% 0.023 107.6)
- #373644
#373644
oklch(34% 0.024 288.3)
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 #39392B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Onyx #343A40 ΔE 0.035
- Charcoal Grey #3C4142 ΔE 0.040
- Pakistan Green #283618 ΔE 0.043
- Dark Olive #373E02 ΔE 0.055
- Gunmetal #293241 ΔE 0.057
- Dark Blue Grey #1F3B4D ΔE 0.064
- Evergreen #05472A ΔE 0.068
- Charcoal #264653 ΔE 0.068
Use #39392B 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.