#2B131B
Closest named color: Dark Maroon (#3C0008). oklch(22.5% 0.041 359.6), rgb(43, 19, 27).
Aa
White text reads best on this color (17.33:1).
About this color
#2B131B is a very dark, muted red. In OKLCH its lightness is 22%, its chroma 0.041 and its hue 360°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Maroon (#3C0008), ΔE 0.054 away. White text reads best on it, at 17.33:1.
| Hue family | Reds |
| Lightness | very dark (22%) |
| Chroma | muted (0.041) |
| Temperature | warm |
| Nearest name | Dark Maroon (#3C0008) |
| Black text | 1.21:1 |
| White text | 17.33:1 |
Values
| HEX | #2B131B |
| RGB | rgb(43, 19, 27) |
| HSL | hsl(340, 39%, 12%) |
| OKLCH | oklch(22.5% 0.041 359.6) |
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 #2B131B | 17.33:1 | AAA | Lc -106.4 | Preferred for body text |
| Black text on #2B131B | 1.21:1 | Fails | Lc 0.0 | Not readable |
| #2B131B text on white | 17.33:1 | AAA | Lc 104.1 | Preferred for body text |
| #2B131B text on black | 1.21:1 | 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
#F9F4F5
oklch(97.1% 0.006 3.3)
-
Step 100
100
#F2E6E9
oklch(93.5% 0.014 0.3)
-
Step 200
200
#E9D2D8
oklch(88.4% 0.027 0)
-
Step 300
300
#DCB4BF
oklch(80.8% 0.048 359.9)
-
Step 400
400
#CA8C9F
oklch(70.7% 0.079 359.3)
-
Step 500
500
#BA6F87
oklch(63% 0.099 359.7)
-
Step 600
600
#A55671
oklch(55.5% 0.108 359.5)
-
Step 700
700
#8E465F
oklch(49.2% 0.101 359.5)
-
Step 800
800
#733A4D
oklch(42.7% 0.083 360)
-
Step 900
900
#5D3240
oklch(37.6% 0.065 359.8)
-
Step 950
950 (this color)
#2B131B
oklch(22.5% 0.041 359.6)
#2B131B 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) | #16181B | 0.046 |
| Deuteranopia (no green cones) | #1D1C1A | 0.041 |
| Tritanopia (no blue cones) | #2F1116 | 0.012 |
| Achromatopsia (no color) | #1A1A1A | 0.042 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2B131B
#2B131B
oklch(22.5% 0.041 359.6)
- #00221C
#00221C
oklch(22.6% 0.041 178.5)
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 #2B131B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Maroon #3C0008 ΔE 0.054
- Jet #212529 ΔE 0.059
- Dark Brown #341C02 ΔE 0.060
- Rich Black #0D1B2A ΔE 0.063
- Dark #1B2431 ΔE 0.063
- Deep Brown #410200 ΔE 0.064
- Eggplant #380835 ΔE 0.066
- Dark Plum #3F012C ΔE 0.068
Use #2B131B 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.