#2A2633
Closest named color: Jet (#212529). oklch(27.9% 0.024 298.9), rgb(42, 38, 51).
Aa
White text reads best on this color (14.75:1).
About this color
#2A2633 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 Jet (#212529), ΔE 0.026 away. White text reads best on it, at 14.75:1.
| Hue family | Neutrals |
| Lightness | dark (28%) |
| Chroma | close to neutral grey (0.024) |
| Temperature | neutral |
| Nearest name | Jet (#212529) |
| Black text | 1.42:1 |
| White text | 14.75:1 |
Values
| HEX | #2A2633 |
| RGB | rgb(42, 38, 51) |
| HSL | hsl(258, 15%, 17%) |
| OKLCH | oklch(27.9% 0.024 298.9) |
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 #2A2633 | 14.75:1 | AAA | Lc -104.4 | Preferred for body text |
| Black text on #2A2633 | 1.42:1 | Fails | Lc 0.0 | Not readable |
| #2A2633 text on white | 14.75:1 | AAA | Lc 101.6 | Preferred for body text |
| #2A2633 text on black | 1.42:1 | 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
#F6F5F8
oklch(97.2% 0.004 301.4)
-
Step 100
100
#EAE9EF
oklch(93.7% 0.008 293.9)
-
Step 200
200
#DAD7E2
oklch(88.5% 0.015 298.5)
-
Step 300
300
#C3BDD1
oklch(80.9% 0.029 299.4)
-
Step 400
400
#A49BBA
oklch(70.7% 0.046 298.5)
-
Step 500
500
#8E82A9
oklch(63.1% 0.059 298.8)
-
Step 600
600
#786B94
oklch(55.5% 0.064 298.8)
-
Step 700
700
#65597E
oklch(49% 0.06 299.1)
-
Step 800
800
#524966
oklch(42.6% 0.049 298.6)
-
Step 900
900
#443D53
oklch(37.6% 0.038 299.1)
-
Step 950
950 (this color)
#2A2633
oklch(27.9% 0.024 298.9)
#2A2633 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) | #232834 | 0.013 |
| Deuteranopia (no green cones) | #242833 | 0.012 |
| Tritanopia (no blue cones) | #28282A | 0.021 |
| Achromatopsia (no color) | #282828 | 0.024 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2A2633
#2A2633
oklch(27.9% 0.024 298.9)
- #272A1D
#272A1D
oklch(27.8% 0.023 118.5)
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 #2A2633, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jet #212529 ΔE 0.026
- Dark #1B2431 ΔE 0.028
- Oxford Blue #1B263B ΔE 0.029
- Space Cadet #2B2D42 ΔE 0.031
- Gunmetal #293241 ΔE 0.041
- Rich Black #0D1B2A ΔE 0.066
- Onyx #343A40 ΔE 0.069
- Prussian Blue #1D3557 ΔE 0.072
Use #2A2633 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.