#282C33
Closest named color: Space Cadet (#2B2D42). oklch(29.2% 0.014 261.7), rgb(40, 44, 51).
Aa
White text reads best on this color (14.01:1).
About this color
#282C33 is a dark close to neutral grey. In OKLCH its lightness is 29%, its chroma 0.014. It has too little chroma to lean warm or cool. The nearest named color is Space Cadet (#2B2D42), ΔE 0.028 away. White text reads best on it, at 14.01:1.
| Hue family | Neutrals |
| Lightness | dark (29%) |
| Chroma | close to neutral grey (0.014) |
| Temperature | neutral |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.49:1 |
| White text | 14.01:1 |
Values
| HEX | #282C33 |
| RGB | rgb(40, 44, 51) |
| HSL | hsl(218, 12%, 18%) |
| OKLCH | oklch(29.2% 0.014 261.7) |
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 #282C33 | 14.01:1 | AAA | Lc -103.7 | Preferred for body text |
| Black text on #282C33 | 1.49:1 | Fails | Lc 0.0 | Not readable |
| #282C33 text on white | 14.01:1 | AAA | Lc 100.7 | Preferred for body text |
| #282C33 text on black | 1.49:1 | 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
#F4F5F7
oklch(97% 0.003 264.5)
-
Step 100
100
#E8EAED
oklch(93.6% 0.005 258.3)
-
Step 200
200
#D6D9DF
oklch(88.5% 0.009 264.5)
-
Step 300
300
#BBC1CC
oklch(81% 0.017 262.7)
-
Step 400
400
#98A1B2
oklch(70.7% 0.027 263.3)
-
Step 500
500
#7E8A9F
oklch(63.1% 0.035 261.7)
-
Step 600
600
#687489
oklch(55.7% 0.036 261.6)
-
Step 700
700
#566175
oklch(49.1% 0.035 262.4)
-
Step 800
800
#464F5F
oklch(42.6% 0.029 261.9)
-
Step 900
900
#3B424E
oklch(37.7% 0.023 261.2)
-
Step 950
950 (this color)
#282C33
oklch(29.2% 0.014 261.7)
#282C33 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) | #2A2C33 | 0.003 |
| Deuteranopia (no green cones) | #292B33 | 0.004 |
| Tritanopia (no blue cones) | #252D2E | 0.012 |
| Achromatopsia (no color) | #2C2C2C | 0.014 |
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 #282C33, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.028
- Gunmetal #293241 ΔE 0.028
- Jet #212529 ΔE 0.030
- Oxford Blue #1B263B ΔE 0.036
- Dark #1B2431 ΔE 0.037
- Onyx #343A40 ΔE 0.053
- Dark Blue Grey #1F3B4D ΔE 0.058
- Midnight Green #073B4C ΔE 0.061
Use #282C33 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.