#2B101B
Closest named color: Dark Maroon (#3C0008). oklch(21.9% 0.047 356), rgb(43, 16, 27).
Aa
White text reads best on this color (17.60:1).
About this color
#2B101B is a very dark, muted red. In OKLCH its lightness is 22%, its chroma 0.047 and its hue 356°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Maroon (#3C0008), ΔE 0.052 away. White text reads best on it, at 17.60:1.
| Hue family | Reds |
| Lightness | very dark (22%) |
| Chroma | muted (0.047) |
| Temperature | warm |
| Nearest name | Dark Maroon (#3C0008) |
| Black text | 1.19:1 |
| White text | 17.60:1 |
Values
| HEX | #2B101B |
| RGB | rgb(43, 16, 27) |
| HSL | hsl(336, 46%, 12%) |
| OKLCH | oklch(21.9% 0.047 356) |
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 #2B101B | 17.60:1 | AAA | Lc -106.5 | Preferred for body text |
| Black text on #2B101B | 1.19:1 | Fails | Lc 0.0 | Not readable |
| #2B101B text on white | 17.60:1 | AAA | Lc 104.2 | Preferred for body text |
| #2B101B text on black | 1.19:1 | 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
#FAF3F5
oklch(97% 0.008 357.8)
-
Step 100
100
#F4E6EA
oklch(93.7% 0.016 358.1)
-
Step 200
200
#EBD1DA
oklch(88.5% 0.031 354.8)
-
Step 300
300
#DFB2C2
oklch(80.8% 0.056 355.2)
-
Step 400
400
#CE89A2
oklch(70.7% 0.09 356.3)
-
Step 500
500
#BF6A8C
oklch(63% 0.115 355.5)
-
Step 600
600
#AA5176
oklch(55.6% 0.124 355.7)
-
Step 700
700
#924163
oklch(49.1% 0.116 355.9)
-
Step 800
800
#773651
oklch(42.8% 0.096 355.8)
-
Step 900
900
#602F43
oklch(37.6% 0.075 355.5)
-
Step 950
950 (this color)
#2B101B
oklch(21.9% 0.047 356)
#2B101B 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) | #14161B | 0.052 |
| Deuteranopia (no green cones) | #1B1B1A | 0.048 |
| Tritanopia (no blue cones) | #2F0E14 | 0.015 |
| Achromatopsia (no color) | #191919 | 0.048 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2B101B
#2B101B
oklch(21.9% 0.047 356)
- #00201A
#00201A
oklch(21.8% 0.04 177.8)
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 #2B101B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Maroon #3C0008 ΔE 0.052
- Eggplant #380835 ΔE 0.062
- Dark Plum #3F012C ΔE 0.064
- Deep Brown #410200 ΔE 0.064
- Rich Black #0D1B2A ΔE 0.066
- Aubergine #3D0734 ΔE 0.067
- Jet #212529 ΔE 0.067
- Dark Brown #341C02 ΔE 0.067
Use #2B101B 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.