#2F313F
Closest named color: Gunmetal (#293241). oklch(31.7% 0.025 278.5), rgb(47, 49, 63).
Aa
White text reads best on this color (12.86:1).
About this color
#2F313F is a dark close to neutral grey. In OKLCH its lightness is 32%, its chroma 0.025. It has too little chroma to lean warm or cool. The nearest named color is Gunmetal (#293241), ΔE 0.010 away. White text reads best on it, at 12.86:1.
| Hue family | Neutrals |
| Lightness | dark (32%) |
| Chroma | close to neutral grey (0.025) |
| Temperature | neutral |
| Nearest name | Gunmetal (#293241) |
| Black text | 1.63:1 |
| White text | 12.86:1 |
Values
| HEX | #2F313F |
| RGB | rgb(47, 49, 63) |
| HSL | hsl(233, 15%, 22%) |
| OKLCH | oklch(31.7% 0.025 278.5) |
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 #2F313F | 12.86:1 | AAA | Lc -102.3 | Preferred for body text |
| Black text on #2F313F | 1.63:1 | Fails | Lc 0.0 | Not readable |
| #2F313F text on white | 12.86:1 | AAA | Lc 99.0 | Preferred for body text |
| #2F313F text on black | 1.63:1 | 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
#F5F5F8
oklch(97.1% 0.004 286.3)
-
Step 100
100
#E8E9F0
oklch(93.5% 0.009 279.7)
-
Step 200
200
#D6D8E4
oklch(88.4% 0.017 278.5)
-
Step 300
300
#BCBFD4
oklch(80.9% 0.03 279.3)
-
Step 400
400
#999EBF
oklch(70.7% 0.048 278.3)
-
Step 500
500
#8186AE
oklch(63.1% 0.06 279)
-
Step 600
600
#6A709A
oklch(55.7% 0.066 277.8)
-
Step 700
700
#595D83
oklch(49.1% 0.061 279.2)
-
Step 800
800
#484C6B
oklch(42.6% 0.052 278.3)
-
Step 900
900
#3D4057
oklch(37.8% 0.039 278.6)
-
Step 950
950 (this color)
#2F313F
oklch(31.7% 0.025 278.5)
#2F313F 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) | #2D3240 | 0.004 |
| Deuteranopia (no green cones) | #2C313F | 0.005 |
| Tritanopia (no blue cones) | #2B3336 | 0.021 |
| Achromatopsia (no color) | #323232 | 0.025 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2F313F
#2F313F
oklch(31.7% 0.025 278.5)
- #353224
#353224
oklch(31.6% 0.024 97.4)
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 #2F313F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Gunmetal #293241 ΔE 0.010
- Space Cadet #2B2D42 ΔE 0.018
- Onyx #343A40 ΔE 0.032
- Dark Blue Grey #1F3B4D ΔE 0.038
- Prussian Blue #1D3557 ΔE 0.047
- Midnight Green #073B4C ΔE 0.049
- Oxford Blue #1B263B ΔE 0.052
- Jet #212529 ΔE 0.058
Use #2F313F 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.