#3D3038
Closest named color: Onyx (#343A40). oklch(32.7% 0.023 341), rgb(61, 48, 56).
Aa
White text reads best on this color (12.51:1).
About this color
#3D3038 is a dark close to neutral grey. In OKLCH its lightness is 33%, its chroma 0.023. It has too little chroma to lean warm or cool. The nearest named color is Onyx (#343A40), ΔE 0.033 away. White text reads best on it, at 12.51:1.
| Hue family | Neutrals |
| Lightness | dark (33%) |
| Chroma | close to neutral grey (0.023) |
| Temperature | neutral |
| Nearest name | Onyx (#343A40) |
| Black text | 1.67:1 |
| White text | 12.51:1 |
Values
| HEX | #3D3038 |
| RGB | rgb(61, 48, 56) |
| HSL | hsl(323, 12%, 21%) |
| OKLCH | oklch(32.7% 0.023 341) |
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 #3D3038 | 12.51:1 | AAA | Lc -101.8 | Preferred for body text |
| Black text on #3D3038 | 1.67:1 | Fails | Lc 0.0 | Not readable |
| #3D3038 text on white | 12.51:1 | AAA | Lc 98.4 | Preferred for body text |
| #3D3038 text on black | 1.67:1 | 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
#ECE8EB
oklch(93.5% 0.006 334)
-
Step 200
200
#DED7DB
oklch(88.6% 0.009 341.8)
-
Step 300
300
#C9BCC4
oklch(80.8% 0.018 340)
-
Step 400
400
#AD9AA6
oklch(70.7% 0.028 339.6)
-
Step 500
500
#998190
oklch(63% 0.036 340.3)
-
Step 600
600
#846B7A
oklch(55.7% 0.038 341.7)
-
Step 700
700
#6F5967
oklch(49.1% 0.036 340.1)
-
Step 800
800
#5B4954
oklch(42.8% 0.03 341.2)
-
Step 900
900 (this color)
#3D3038
oklch(32.7% 0.023 341)
-
Step 950
950
#2C2429
oklch(27.1% 0.015 340.2)
#3D3038 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) | #303338 | 0.024 |
| Deuteranopia (no green cones) | #333438 | 0.021 |
| Tritanopia (no blue cones) | #3F3033 | 0.009 |
| Achromatopsia (no color) | #343434 | 0.023 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3D3038
#3D3038
oklch(32.7% 0.023 341)
- #2A3831
#2A3831
oklch(32.6% 0.022 163.2)
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 #3D3038, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Onyx #343A40 ΔE 0.033
- Gunmetal #293241 ΔE 0.036
- Space Cadet #2B2D42 ΔE 0.040
- Charcoal Grey #3C4142 ΔE 0.052
- Dark Blue Grey #1F3B4D ΔE 0.058
- Prussian Blue #1D3557 ΔE 0.069
- Jet #212529 ΔE 0.069
- Midnight Green #073B4C ΔE 0.072
Use #3D3038 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.