#2B2833
Closest named color: Jet (#212529). oklch(28.5% 0.02 297.6), rgb(43, 40, 51).
Aa
White text reads best on this color (14.44:1).
About this color
#2B2833 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 0.028 away. White text reads best on it, at 14.44:1.
| Hue family | Neutrals |
| Lightness | dark (28%) |
| Chroma | close to neutral grey (0.020) |
| Temperature | neutral |
| Nearest name | Jet (#212529) |
| Black text | 1.45:1 |
| White text | 14.44:1 |
Values
| HEX | #2B2833 |
| RGB | rgb(43, 40, 51) |
| HSL | hsl(256, 12%, 18%) |
| OKLCH | oklch(28.5% 0.02 297.6) |
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 #2B2833 | 14.44:1 | AAA | Lc -104.1 | Preferred for body text |
| Black text on #2B2833 | 1.45:1 | Fails | Lc 0.0 | Not readable |
| #2B2833 text on white | 14.44:1 | AAA | Lc 101.2 | Preferred for body text |
| #2B2833 text on black | 1.45:1 | 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
#DAD7E1
oklch(88.4% 0.014 299.8)
-
Step 300
300
#C2BECF
oklch(81% 0.024 296.6)
-
Step 400
400
#A39CB6
oklch(70.7% 0.038 297.7)
-
Step 500
500
#8C84A4
oklch(63.2% 0.048 296.4)
-
Step 600
600
#776D8F
oklch(55.7% 0.053 298.1)
-
Step 700
700
#645B7A
oklch(49.2% 0.05 297.8)
-
Step 800
800
#514A63
oklch(42.6% 0.042 297.4)
-
Step 900
900
#433E51
oklch(37.7% 0.033 296.9)
-
Step 950
950 (this color)
#2B2833
oklch(28.5% 0.02 297.6)
#2B2833 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) | #262A33 | 0.011 |
| Deuteranopia (no green cones) | #262933 | 0.009 |
| Tritanopia (no blue cones) | #2A2A2C | 0.017 |
| Achromatopsia (no color) | #2A2A2A | 0.020 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2B2833
#2B2833
oklch(28.5% 0.02 297.6)
- #292B20
#292B20
oklch(28.3% 0.02 116)
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 #2B2833, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jet #212529 ΔE 0.028
- Space Cadet #2B2D42 ΔE 0.028
- Oxford Blue #1B263B ΔE 0.032
- Dark #1B2431 ΔE 0.032
- Gunmetal #293241 ΔE 0.036
- Onyx #343A40 ΔE 0.062
- Dark Blue Grey #1F3B4D ΔE 0.067
- Prussian Blue #1D3557 ΔE 0.069
Use #2B2833 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.