#2D2F3B
Closest named color: Gunmetal (#293241). oklch(30.8% 0.022 277.6), rgb(45, 47, 59).
Aa
White text reads best on this color (13.27:1).
About this color
#2D2F3B is a dark close to neutral grey. In OKLCH its lightness is 31%, its chroma 0.022. It has too little chroma to lean warm or cool. The nearest named color is Gunmetal (#293241), ΔE 0.013 away. White text reads best on it, at 13.27:1.
| Hue family | Neutrals |
| Lightness | dark (31%) |
| Chroma | close to neutral grey (0.022) |
| Temperature | neutral |
| Nearest name | Gunmetal (#293241) |
| Black text | 1.58:1 |
| White text | 13.27:1 |
Values
| HEX | #2D2F3B |
| RGB | rgb(45, 47, 59) |
| HSL | hsl(231, 13%, 20%) |
| OKLCH | oklch(30.8% 0.022 277.6) |
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 #2D2F3B | 13.27:1 | AAA | Lc -102.9 | Preferred for body text |
| Black text on #2D2F3B | 1.58:1 | Fails | Lc 0.0 | Not readable |
| #2D2F3B text on white | 13.27:1 | AAA | Lc 99.7 | Preferred for body text |
| #2D2F3B text on black | 1.58:1 | 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
#E8E9EF
oklch(93.5% 0.008 278.6)
-
Step 200
200
#D6D8E3
oklch(88.4% 0.015 277.8)
-
Step 300
300
#BCBFD2
oklch(80.8% 0.027 278.6)
-
Step 400
400
#9A9FBB
oklch(70.8% 0.041 277.3)
-
Step 500
500
#8187AA
oklch(63.1% 0.053 277.2)
-
Step 600
600
#6B7095
oklch(55.5% 0.058 278.4)
-
Step 700
700
#595E7F
oklch(49.1% 0.053 277.6)
-
Step 800
800
#494D67
oklch(42.7% 0.043 277.6)
-
Step 900
900
#3D4054
oklch(37.7% 0.034 278)
-
Step 950
950 (this color)
#2D2F3B
oklch(30.8% 0.022 277.6)
#2D2F3B 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) | #2C303C | 0.003 |
| Deuteranopia (no green cones) | #2B2F3B | 0.003 |
| Tritanopia (no blue cones) | #2A3133 | 0.019 |
| Achromatopsia (no color) | #303030 | 0.022 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2D2F3B
#2D2F3B
oklch(30.8% 0.022 277.6)
- #333024
#333024
oklch(30.8% 0.021 95.7)
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 #2D2F3B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Gunmetal #293241 ΔE 0.013
- Space Cadet #2B2D42 ΔE 0.017
- Onyx #343A40 ΔE 0.039
- Dark Blue Grey #1F3B4D ΔE 0.045
- Oxford Blue #1B263B ΔE 0.045
- Jet #212529 ΔE 0.048
- Dark #1B2431 ΔE 0.051
- Prussian Blue #1D3557 ΔE 0.052
Use #2D2F3B 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.