#2B231B
Closest named color: Jet (#212529). oklch(26.3% 0.019 66.9), rgb(43, 35, 27).
Aa
White text reads best on this color (15.45:1).
About this color
#2B231B is a dark close to neutral grey. In OKLCH its lightness is 26%, its chroma 0.019. 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 15.45:1.
| Hue family | Neutrals |
| Lightness | dark (26%) |
| Chroma | close to neutral grey (0.019) |
| Temperature | neutral |
| Nearest name | Jet (#212529) |
| Black text | 1.35:1 |
| White text | 15.45:1 |
Values
| HEX | #2B231B |
| RGB | rgb(43, 35, 27) |
| HSL | hsl(30, 23%, 14%) |
| OKLCH | oklch(26.3% 0.019 66.9) |
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 #2B231B | 15.45:1 | AAA | Lc -105.1 | Preferred for body text |
| Black text on #2B231B | 1.35:1 | Fails | Lc 0.0 | Not readable |
| #2B231B text on white | 15.45:1 | AAA | Lc 102.4 | Preferred for body text |
| #2B231B text on black | 1.35:1 | 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
#F7F5F3
oklch(97.1% 0.003 67.8)
-
Step 100
100
#EDE9E5
oklch(93.6% 0.007 67.7)
-
Step 200
200
#DFD8D1
oklch(88.6% 0.012 67.7)
-
Step 300
300
#CBBEB2
oklch(80.9% 0.022 65.3)
-
Step 400
400
#B09D8A
oklch(70.7% 0.035 67.2)
-
Step 500
500
#9D856C
oklch(63.2% 0.046 68)
-
Step 600
600
#876E54
oklch(55.6% 0.049 67.6)
-
Step 700
700
#735C45
oklch(49.2% 0.046 66.4)
-
Step 800
800
#5D4B39
oklch(42.6% 0.037 66.5)
-
Step 900
900
#4D3F31
oklch(37.8% 0.03 66.7)
-
Step 950
950 (this color)
#2B231B
oklch(26.3% 0.019 66.9)
#2B231B 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) | #26231A | 0.010 |
| Deuteranopia (no green cones) | #28251B | 0.009 |
| Tritanopia (no blue cones) | #2E2121 | 0.016 |
| Achromatopsia (no color) | #242424 | 0.019 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2B231B
#2B231B
oklch(26.3% 0.019 66.9)
- #1D262D
#1D262D
oklch(26.3% 0.018 241.8)
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 #2B231B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jet #212529 ΔE 0.028
- Dark Brown #341C02 ΔE 0.036
- Dark #1B2431 ΔE 0.047
- Chocolate Brown #411900 ΔE 0.055
- Oxford Blue #1B263B ΔE 0.061
- Pakistan Green #283618 ΔE 0.068
- Space Cadet #2B2D42 ΔE 0.069
- Rich Black #0D1B2A ΔE 0.071
Use #2B231B 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.