#282835
Closest named color: Oxford Blue (#1B263B). oklch(28.3% 0.024 284.8), rgb(40, 40, 53).
Aa
White text reads best on this color (14.53:1).
About this color
#282835 is a dark close to neutral grey. In OKLCH its lightness is 28%, its chroma 0.024. It has too little chroma to lean warm or cool. The nearest named color is Oxford Blue (#1B263B), ΔE 0.026 away. White text reads best on it, at 14.53:1.
| Hue family | Neutrals |
| Lightness | dark (28%) |
| Chroma | close to neutral grey (0.024) |
| Temperature | neutral |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.44:1 |
| White text | 14.53:1 |
Values
| HEX | #282835 |
| RGB | rgb(40, 40, 53) |
| HSL | hsl(240, 14%, 18%) |
| OKLCH | oklch(28.3% 0.024 284.8) |
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 #282835 | 14.53:1 | AAA | Lc -104.2 | Preferred for body text |
| Black text on #282835 | 1.44:1 | Fails | Lc 0.0 | Not readable |
| #282835 text on white | 14.53:1 | AAA | Lc 101.3 | Preferred for body text |
| #282835 text on black | 1.44:1 | 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
#E9E9EF
oklch(93.6% 0.008 286.2)
-
Step 200
200
#D8D8E3
oklch(88.5% 0.015 286.1)
-
Step 300
300
#BEBED3
oklch(80.8% 0.029 285.7)
-
Step 400
400
#9D9DBC
oklch(70.7% 0.045 285.2)
-
Step 500
500
#8585AC
oklch(63.1% 0.058 284.6)
-
Step 600
600
#6F6E97
oklch(55.5% 0.063 285.3)
-
Step 700
700
#5D5C81
oklch(49.1% 0.059 285.3)
-
Step 800
800
#4C4B69
oklch(42.6% 0.049 285.6)
-
Step 900
900
#3F3F55
oklch(37.7% 0.037 284.5)
-
Step 950
950 (this color)
#282835
oklch(28.3% 0.024 284.8)
#282835 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) | #252936 | 0.006 |
| Deuteranopia (no green cones) | #242935 | 0.007 |
| Tritanopia (no blue cones) | #252A2C | 0.021 |
| Achromatopsia (no color) | #292929 | 0.024 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #282835
#282835
oklch(28.3% 0.024 284.8)
- #2B2A1D
#2B2A1D
oklch(28.2% 0.023 104.1)
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 #282835, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.026
- Space Cadet #2B2D42 ΔE 0.027
- Jet #212529 ΔE 0.027
- Dark #1B2431 ΔE 0.028
- Gunmetal #293241 ΔE 0.035
- Onyx #343A40 ΔE 0.064
- Prussian Blue #1D3557 ΔE 0.066
- Dark Blue Grey #1F3B4D ΔE 0.066
Use #282835 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.