#282C36
Closest named color: Space Cadet (#2B2D42). oklch(29.3% 0.019 268), rgb(40, 44, 54).
Aa
White text reads best on this color (13.96:1).
About this color
#282C36 is a dark close to neutral grey. In OKLCH its lightness is 29%, its chroma 0.019. It has too little chroma to lean warm or cool. The nearest named color is Space Cadet (#2B2D42), ΔE 0.023 away. White text reads best on it, at 13.96:1.
| Hue family | Neutrals |
| Lightness | dark (29%) |
| Chroma | close to neutral grey (0.019) |
| Temperature | neutral |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.50:1 |
| White text | 13.96:1 |
Values
| HEX | #282C36 |
| RGB | rgb(40, 44, 54) |
| HSL | hsl(223, 15%, 18%) |
| OKLCH | oklch(29.3% 0.019 268) |
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 #282C36 | 13.96:1 | AAA | Lc -103.6 | Preferred for body text |
| Black text on #282C36 | 1.50:1 | Fails | Lc 0.0 | Not readable |
| #282C36 text on white | 13.96:1 | AAA | Lc 100.6 | Preferred for body text |
| #282C36 text on black | 1.50:1 | 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
#E8EAEE
oklch(93.7% 0.006 264.5)
-
Step 200
200
#D5D9E2
oklch(88.5% 0.013 266.7)
-
Step 300
300
#BAC0D0
oklch(80.8% 0.023 269.4)
-
Step 400
400
#97A0B8
oklch(70.7% 0.037 269.2)
-
Step 500
500
#7D89A6
oklch(63.1% 0.046 267.4)
-
Step 600
600
#677391
oklch(55.7% 0.049 267.8)
-
Step 700
700
#55607C
oklch(49.1% 0.047 268)
-
Step 800
800
#464E65
oklch(42.6% 0.04 269.7)
-
Step 900
900
#3B4152
oklch(37.7% 0.03 269.7)
-
Step 950
950 (this color)
#282C36
oklch(29.3% 0.019 268)
#282C36 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) | #292D36 | 0.004 |
| Deuteranopia (no green cones) | #282B36 | 0.003 |
| Tritanopia (no blue cones) | #252E2F | 0.018 |
| Achromatopsia (no color) | #2C2C2C | 0.019 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #282C36
#282C36
oklch(29.3% 0.019 268)
- #302C21
#302C21
oklch(29.4% 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 #282C36, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.023
- Gunmetal #293241 ΔE 0.025
- Jet #212529 ΔE 0.033
- Oxford Blue #1B263B ΔE 0.034
- Dark #1B2431 ΔE 0.037
- Onyx #343A40 ΔE 0.052
- Dark Blue Grey #1F3B4D ΔE 0.055
- Midnight Green #073B4C ΔE 0.059
Use #282C36 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.