#2D303B
Closest named color: Gunmetal (#293241). oklch(31.1% 0.02 273.2), rgb(45, 48, 59).
Aa
White text reads best on this color (13.14:1).
About this color
#2D303B is a dark close to neutral grey. In OKLCH its lightness is 31%, its chroma 0.020. It has too little chroma to lean warm or cool. The nearest named color is Gunmetal (#293241), ΔE 0.012 away. White text reads best on it, at 13.14:1.
| Hue family | Neutrals |
| Lightness | dark (31%) |
| Chroma | close to neutral grey (0.020) |
| Temperature | neutral |
| Nearest name | Gunmetal (#293241) |
| Black text | 1.59:1 |
| White text | 13.14:1 |
Values
| HEX | #2D303B |
| RGB | rgb(45, 48, 59) |
| HSL | hsl(227, 13%, 20%) |
| OKLCH | oklch(31.1% 0.02 273.2) |
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 #2D303B | 13.14:1 | AAA | Lc -102.7 | Preferred for body text |
| Black text on #2D303B | 1.59:1 | Fails | Lc 0.0 | Not readable |
| #2D303B text on white | 13.14:1 | AAA | Lc 99.5 | Preferred for body text |
| #2D303B text on black | 1.59:1 | 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
#E8EAEF
oklch(93.7% 0.007 268.5)
-
Step 200
200
#D6D9E2
oklch(88.6% 0.013 271.3)
-
Step 300
300
#BBC0D1
oklch(80.9% 0.024 272.8)
-
Step 400
400
#989FB9
oklch(70.6% 0.039 273.5)
-
Step 500
500
#7F88A8
oklch(63.1% 0.049 272.6)
-
Step 600
600
#697293
oklch(55.7% 0.052 272.7)
-
Step 700
700
#575F7D
oklch(49.1% 0.049 272.9)
-
Step 800
800
#474E66
oklch(42.7% 0.041 271.9)
-
Step 900
900
#3C4153
oklch(37.8% 0.032 272.7)
-
Step 950
950 (this color)
#2D303B
oklch(31.1% 0.02 273.2)
#2D303B 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) | #2D313C | 0.003 |
| Deuteranopia (no green cones) | #2C303B | 0.002 |
| Tritanopia (no blue cones) | #2A3234 | 0.017 |
| Achromatopsia (no color) | #303030 | 0.020 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2D303B
#2D303B
oklch(31.1% 0.02 273.2)
- #343025
#343025
oklch(31% 0.02 90.4)
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 #2D303B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Gunmetal #293241 ΔE 0.012
- Space Cadet #2B2D42 ΔE 0.019
- Onyx #343A40 ΔE 0.036
- Dark Blue Grey #1F3B4D ΔE 0.043
- Oxford Blue #1B263B ΔE 0.048
- Jet #212529 ΔE 0.050
- Midnight Green #073B4C ΔE 0.051
- Prussian Blue #1D3557 ΔE 0.052
Use #2D303B 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.