#2A2833
Closest named color: Jet (#212529). oklch(28.4% 0.02 293.4), rgb(42, 40, 51).
Aa
White text reads best on this color (14.48:1).
About this color
#2A2833 is a dark close to neutral grey. In OKLCH its lightness is 28%, its chroma 0.020. 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 14.48:1.
| Hue family | Neutrals |
| Lightness | dark (28%) |
| Chroma | close to neutral grey (0.020) |
| Temperature | neutral |
| Nearest name | Jet (#212529) |
| Black text | 1.44:1 |
| White text | 14.48:1 |
Values
| HEX | #2A2833 |
| RGB | rgb(42, 40, 51) |
| HSL | hsl(251, 12%, 18%) |
| OKLCH | oklch(28.4% 0.02 293.4) |
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 #2A2833 | 14.48:1 | AAA | Lc -104.2 | Preferred for body text |
| Black text on #2A2833 | 1.44:1 | Fails | Lc 0.0 | Not readable |
| #2A2833 text on white | 14.48:1 | AAA | Lc 101.3 | Preferred for body text |
| #2A2833 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
#F5F5F7
oklch(97.1% 0.003 286.4)
-
Step 100
100
#EAE9EE
oklch(93.6% 0.007 295.4)
-
Step 200
200
#D9D8E1
oklch(88.6% 0.012 291.3)
-
Step 300
300
#C1BECF
oklch(80.9% 0.024 294)
-
Step 400
400
#A19DB7
oklch(70.8% 0.038 292.5)
-
Step 500
500
#8A84A5
oklch(63% 0.049 293.3)
-
Step 600
600
#746E90
oklch(55.6% 0.053 292.7)
-
Step 700
700
#625C7A
oklch(49.2% 0.048 293.7)
-
Step 800
800
#504B64
oklch(42.8% 0.041 293.7)
-
Step 900
900
#423F51
oklch(37.8% 0.031 292.5)
-
Step 950
950 (this color)
#2A2833
oklch(28.4% 0.02 293.4)
#2A2833 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) | #262933 | 0.007 |
| Deuteranopia (no green cones) | #262933 | 0.007 |
| Tritanopia (no blue cones) | #282A2C | 0.017 |
| Achromatopsia (no color) | #292929 | 0.020 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2A2833
#2A2833
oklch(28.4% 0.02 293.4)
- #2A2B20
#2A2B20
oklch(28.4% 0.019 111.8)
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 #2A2833, 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 0.029
- Dark #1B2431 ΔE 0.031
- Oxford Blue #1B263B ΔE 0.031
- Gunmetal #293241 ΔE 0.036
- Onyx #343A40 ΔE 0.063
- Dark Blue Grey #1F3B4D ΔE 0.067
- Prussian Blue #1D3557 ΔE 0.069
Use #2A2833 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.