#282A33
Closest named color: Jet (#212529). oklch(28.7% 0.017 275.4), rgb(40, 42, 51).
Aa
White text reads best on this color (14.29:1).
About this color
#282A33 is a dark close to neutral grey. In OKLCH its lightness is 29%, its chroma 0.017. It has too little chroma to lean warm or cool. The nearest named color is Jet (#212529), ΔE 0.026 away. White text reads best on it, at 14.29:1.
| Hue family | Neutrals |
| Lightness | dark (29%) |
| Chroma | close to neutral grey (0.017) |
| Temperature | neutral |
| Nearest name | Jet (#212529) |
| Black text | 1.46:1 |
| White text | 14.29:1 |
Values
| HEX | #282A33 |
| RGB | rgb(40, 42, 51) |
| HSL | hsl(229, 12%, 18%) |
| OKLCH | oklch(28.7% 0.017 275.4) |
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 #282A33 | 14.29:1 | AAA | Lc -104.0 | Preferred for body text |
| Black text on #282A33 | 1.46:1 | Fails | Lc 0.0 | Not readable |
| #282A33 text on white | 14.29:1 | AAA | Lc 101.0 | Preferred for body text |
| #282A33 text on black | 1.46:1 | 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
#F5F5F7
oklch(97.1% 0.003 286.4)
-
Step 100
100
#E9EAEE
oklch(93.7% 0.005 275)
-
Step 200
200
#D7D9E1
oklch(88.6% 0.011 274.9)
-
Step 300
300
#BDC0CE
oklch(81% 0.02 276.3)
-
Step 400
400
#9B9FB5
oklch(70.7% 0.032 277.4)
-
Step 500
500
#8288A2
oklch(63.1% 0.04 275)
-
Step 600
600
#6C728E
oklch(55.7% 0.044 275.4)
-
Step 700
700
#5A5F78
oklch(49.1% 0.041 276)
-
Step 800
800
#494E62
oklch(42.7% 0.034 273.9)
-
Step 900
900
#3D4150
oklch(37.8% 0.026 273.4)
-
Step 950
950 (this color)
#282A33
oklch(28.7% 0.017 275.4)
#282A33 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) | #282B33 | 0.003 |
| Deuteranopia (no green cones) | #272A33 | 0.002 |
| Tritanopia (no blue cones) | #262C2D | 0.015 |
| Achromatopsia (no color) | #2A2A2A | 0.017 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #282A33
#282A33
oklch(28.7% 0.017 275.4)
- #2D2B21
#2D2B21
oklch(28.8% 0.018 98)
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 #282A33, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jet #212529 ΔE 0.026
- Space Cadet #2B2D42 ΔE 0.028
- Dark #1B2431 ΔE 0.032
- Oxford Blue #1B263B ΔE 0.032
- Gunmetal #293241 ΔE 0.032
- Onyx #343A40 ΔE 0.059
- Dark Blue Grey #1F3B4D ΔE 0.062
- Midnight Green #073B4C ΔE 0.065
Use #282A33 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.