#2B0104
Closest named color: Very Dark Brown (#1D0200). oklch(18.5% 0.071 22.2), rgb(43, 1, 4).
Aa
White text reads best on this color (18.93:1).
About this color
#2B0104 is a very dark, moderately saturated red. In OKLCH its lightness is 18%, its chroma 0.071 and its hue 22°. Its hue sits on the warm side of the wheel. The nearest named color is Very Dark Brown (#1D0200), ΔE 0.040 away. White text reads best on it, at 18.93:1.
| Hue family | Reds |
| Lightness | very dark (18%) |
| Chroma | moderately saturated (0.071) |
| Temperature | warm |
| Nearest name | Very Dark Brown (#1D0200) |
| Black text | 1.10:1 |
| White text | 18.93:1 |
Values
| HEX | #2B0104 |
| RGB | rgb(43, 1, 4) |
| HSL | hsl(356, 95%, 9%) |
| OKLCH | oklch(18.5% 0.071 22.2) |
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 #2B0104 | 18.93:1 | AAA | Lc -106.9 | Preferred for body text |
| Black text on #2B0104 | 1.10:1 | Fails | Lc 0.0 | Not readable |
| #2B0104 text on white | 18.93:1 | AAA | Lc 104.7 | Preferred for body text |
| #2B0104 text on black | 1.10:1 | 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
#FDF3F2
oklch(97.2% 0.011 24.3)
-
Step 100
100
#FAE4E2
oklch(93.6% 0.024 23.9)
-
Step 200
200
#F7CECB
oklch(88.6% 0.047 23)
-
Step 300
300
#F3ABA8
oklch(80.9% 0.085 21.8)
-
Step 400
400
#E97C7A
oklch(70.8% 0.135 22.2)
-
Step 500
500
#DE5457
oklch(63% 0.173 22.3)
-
Step 600
600
#CA323D
oklch(55.6% 0.188 22.2)
-
Step 700
700
#AE222F
oklch(49.1% 0.175 22.3)
-
Step 800
800
#8D2028
oklch(42.7% 0.144 22.2)
-
Step 900
900
#722125
oklch(37.7% 0.114 21.7)
-
Step 950
950 (this color)
#2B0104
oklch(18.5% 0.071 22.2)
#2B0104 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) | #0C0A04 | 0.079 |
| Deuteranopia (no green cones) | #181403 | 0.071 |
| Tritanopia (no blue cones) | #300002 | 0.013 |
| Achromatopsia (no color) | #111111 | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2B0104
#2B0104
oklch(18.5% 0.071 22.2)
- #001719
#001719
oklch(18.6% 0.032 202.2)
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 #2B0104, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Very Dark Brown #1D0200 ΔE 0.040
- Dark Maroon #3C0008 ΔE 0.045
- Deep Brown #410200 ΔE 0.059
- Mahogany #4A0100 ΔE 0.081
- Dark Brown #341C02 ΔE 0.084
- Almost Black #070D0D ΔE 0.087
- Dark Plum #3F012C ΔE 0.089
- Chocolate Brown #411900 ΔE 0.091
Use #2B0104 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.