#282F3D
Closest named color: Gunmetal (#293241). oklch(30.5% 0.027 264), rgb(40, 47, 61).
Aa
White text reads best on this color (13.42:1).
About this color
#282F3D is a dark close to neutral grey. In OKLCH its lightness is 30%, its chroma 0.027. It has too little chroma to lean warm or cool. The nearest named color is Gunmetal (#293241), ΔE 0.011 away. White text reads best on it, at 13.42:1.
| Hue family | Neutrals |
| Lightness | dark (30%) |
| Chroma | close to neutral grey (0.027) |
| Temperature | neutral |
| Nearest name | Gunmetal (#293241) |
| Black text | 1.56:1 |
| White text | 13.42:1 |
Values
| HEX | #282F3D |
| RGB | rgb(40, 47, 61) |
| HSL | hsl(220, 21%, 20%) |
| OKLCH | oklch(30.5% 0.027 264) |
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 #282F3D | 13.42:1 | AAA | Lc -103.0 | Preferred for body text |
| Black text on #282F3D | 1.56:1 | Fails | Lc 0.0 | Not readable |
| #282F3D text on white | 13.42:1 | AAA | Lc 99.9 | Preferred for body text |
| #282F3D text on black | 1.56:1 | 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
#F4F5F8
oklch(97% 0.004 271.4)
-
Step 100
100
#E7EAF0
oklch(93.6% 0.009 264.5)
-
Step 200
200
#D3D9E5
oklch(88.4% 0.018 264.5)
-
Step 300
300
#B6C1D6
oklch(80.9% 0.032 263.5)
-
Step 400
400
#90A1C2
oklch(70.7% 0.052 263.6)
-
Step 500
500
#7589B2
oklch(63% 0.066 264.4)
-
Step 600
600
#5E739E
oklch(55.6% 0.072 264.1)
-
Step 700
700
#4D6087
oklch(49% 0.067 264.1)
-
Step 800
800
#404F6E
oklch(42.8% 0.055 264.3)
-
Step 900
900
#364159
oklch(37.6% 0.044 265.3)
-
Step 950
950 (this color)
#282F3D
oklch(30.5% 0.027 264)
#282F3D 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) | #2A303E | 0.005 |
| Deuteranopia (no green cones) | #282E3D | 0.003 |
| Tritanopia (no blue cones) | #223234 | 0.024 |
| Achromatopsia (no color) | #2F2F2F | 0.027 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #282F3D
#282F3D
oklch(30.5% 0.027 264)
- #352E1F
#352E1F
oklch(30.4% 0.027 85.7)
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 #282F3D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Gunmetal #293241 ΔE 0.011
- Space Cadet #2B2D42 ΔE 0.014
- Oxford Blue #1B263B ΔE 0.039
- Dark Blue Grey #1F3B4D ΔE 0.042
- Onyx #343A40 ΔE 0.043
- Jet #212529 ΔE 0.046
- Prussian Blue #1D3557 ΔE 0.047
- Dark #1B2431 ΔE 0.047
Use #282F3D 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.