#2B101D
Closest named color: Dark Maroon (#3C0008). oklch(22% 0.049 351.7), rgb(43, 16, 29).
Aa
White text reads best on this color (17.57:1).
About this color
#2B101D is a very dark, muted red. In OKLCH its lightness is 22%, its chroma 0.049 and its hue 352°. 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 17.57:1.
| Hue family | Reds |
| Lightness | very dark (22%) |
| Chroma | muted (0.049) |
| Temperature | warm |
| Nearest name | Dark Maroon (#3C0008) |
| Black text | 1.19:1 |
| White text | 17.57:1 |
Values
| HEX | #2B101D |
| RGB | rgb(43, 16, 29) |
| HSL | hsl(331, 46%, 12%) |
| OKLCH | oklch(22% 0.049 351.7) |
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 #2B101D | 17.57:1 | AAA | Lc -106.5 | Preferred for body text |
| Black text on #2B101D | 1.19:1 | Fails | Lc 0.0 | Not readable |
| #2B101D text on white | 17.57:1 | AAA | Lc 104.2 | Preferred for body text |
| #2B101D 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
#FAF3F6
oklch(97% 0.008 349.2)
-
Step 100
100
#F3E6EB
oklch(93.7% 0.016 352)
-
Step 200
200
#EBD1DB
oklch(88.5% 0.032 352.5)
-
Step 300
300
#DFB2C5
oklch(80.9% 0.058 351.3)
-
Step 400
400
#CD89A7
oklch(70.7% 0.091 351.6)
-
Step 500
500
#BF6A91
oklch(63.2% 0.117 352.1)
-
Step 600
600
#AA507C
oklch(55.7% 0.128 351.5)
-
Step 700
700
#914068
oklch(49% 0.119 351.5)
-
Step 800
800
#763555
oklch(42.6% 0.099 351.3)
-
Step 900
900
#602F46
oklch(37.8% 0.077 351.9)
-
Step 950
950 (this color)
#2B101D
oklch(22% 0.049 351.7)
#2B101D 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) | #13161D | 0.053 |
| Deuteranopia (no green cones) | #1A1B1C | 0.049 |
| Tritanopia (no blue cones) | #2E0F15 | 0.016 |
| Achromatopsia (no color) | #191919 | 0.049 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2B101D
#2B101D
oklch(22% 0.049 351.7)
- #002118
#002118
oklch(22.1% 0.043 171.1)
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 #2B101D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Maroon #3C0008 ΔE 0.054
- Eggplant #380835 ΔE 0.059
- Dark Plum #3F012C ΔE 0.061
- Aubergine #3D0734 ΔE 0.064
- Very Dark Purple #2A0134 ΔE 0.064
- Rich Black #0D1B2A ΔE 0.065
- Jet #212529 ΔE 0.067
- Deep Brown #410200 ΔE 0.067
Use #2B101D 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.