#2D2F37
Closest named color: Gunmetal (#293241). oklch(30.6% 0.015 274.4), rgb(45, 47, 55).
Aa
White text reads best on this color (13.34:1).
About this color
#2D2F37 is a dark close to neutral grey. In OKLCH its lightness is 31%, its chroma 0.015. It has too little chroma to lean warm or cool. The nearest named color is Gunmetal (#293241), ΔE 0.018 away. White text reads best on it, at 13.34:1.
| Hue family | Neutrals |
| Lightness | dark (31%) |
| Chroma | close to neutral grey (0.015) |
| Temperature | neutral |
| Nearest name | Gunmetal (#293241) |
| Black text | 1.57:1 |
| White text | 13.34:1 |
Values
| HEX | #2D2F37 |
| RGB | rgb(45, 47, 55) |
| HSL | hsl(228, 10%, 20%) |
| OKLCH | oklch(30.6% 0.015 274.4) |
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 #2D2F37 | 13.34:1 | AAA | Lc -102.9 | Preferred for body text |
| Black text on #2D2F37 | 1.57:1 | Fails | Lc 0.0 | Not readable |
| #2D2F37 text on white | 13.34:1 | AAA | Lc 99.8 | Preferred for body text |
| #2D2F37 text on black | 1.57:1 | 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 950.
-
Step 50
50
#F5F5F7
oklch(97.1% 0.003 286.4)
-
Step 100
100
#E9EAED
oklch(93.7% 0.004 271.4)
-
Step 200
200
#D7D9E0
oklch(88.6% 0.01 273.3)
-
Step 300
300
#BDC0CC
oklch(80.9% 0.017 274.8)
-
Step 400
400
#9BA0B2
oklch(70.8% 0.027 273.4)
-
Step 500
500
#83889F
oklch(63.1% 0.035 275.7)
-
Step 600
600
#6C728A
oklch(55.6% 0.038 274.1)
-
Step 700
700
#5A6075
oklch(49.2% 0.034 272.6)
-
Step 800
800
#4A4E60
oklch(42.7% 0.03 275.2)
-
Step 900
900
#3E414E
oklch(37.8% 0.023 275)
-
Step 950
950 (this color)
#2D2F37
oklch(30.6% 0.015 274.4)
#2D2F37 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) | #2D3037 | 0.003 |
| Deuteranopia (no green cones) | #2C2F37 | 0.002 |
| Tritanopia (no blue cones) | #2B3032 | 0.011 |
| Achromatopsia (no color) | #2F2F2F | 0.015 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
This color is close to neutral, so it has no meaningful hue to rotate. Hue harmonies are omitted.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #2D2F37, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Gunmetal #293241 ΔE 0.018
- Space Cadet #2B2D42 ΔE 0.023
- Onyx #343A40 ΔE 0.039
- Jet #212529 ΔE 0.045
- Oxford Blue #1B263B ΔE 0.047
- Dark Blue Grey #1F3B4D ΔE 0.048
- Dark #1B2431 ΔE 0.051
- Midnight Green #073B4C ΔE 0.055
Use #2D2F37 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.