#2A0100
Closest named color: Very Dark Brown (#1D0200). oklch(18.1% 0.071 30.6), rgb(42, 1, 0).
Aa
White text reads best on this color (19.04:1).
About this color
#2A0100 is a very dark, moderately saturated red. In OKLCH its lightness is 18%, its chroma 0.071 and its hue 31°. Its hue sits on the warm side of the wheel. The nearest named color is Very Dark Brown (#1D0200), ΔE 0.035 away. White text reads best on it, at 19.04:1.
| 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 | 19.04:1 |
Values
| HEX | #2A0100 |
| RGB | rgb(42, 1, 0) |
| HSL | hsl(1, 100%, 8%) |
| OKLCH | oklch(18.1% 0.071 30.6) |
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 #2A0100 | 19.04:1 | AAA | Lc -107.0 | Preferred for body text |
| Black text on #2A0100 | 1.10:1 | Fails | Lc 0.0 | Not readable |
| #2A0100 text on white | 19.04:1 | AAA | Lc 104.8 | Preferred for body text |
| #2A0100 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
#FDF3F1
oklch(97.1% 0.011 31.1)
-
Step 100
100
#FAE4E0
oklch(93.6% 0.025 29.9)
-
Step 200
200
#F7CEC7
oklch(88.5% 0.048 29.4)
-
Step 300
300
#F2ADA0
oklch(80.9% 0.084 30.9)
-
Step 400
400
#E97E6C
oklch(70.8% 0.136 30.8)
-
Step 500
500
#DE5744
oklch(63% 0.173 30.5)
-
Step 600
600
#CA3524
oklch(55.6% 0.188 30.4)
-
Step 700
700
#AE2516
oklch(49.1% 0.175 30.4)
-
Step 800
800
#8D2215
oklch(42.6% 0.145 30.6)
-
Step 900
900
#722319
oklch(37.8% 0.113 30.3)
-
Step 950
950 (this color)
#2A0100
oklch(18.1% 0.071 30.6)
#2A0100 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) | #0C0A00 | 0.079 |
| Deuteranopia (no green cones) | #171300 | 0.068 |
| Tritanopia (no blue cones) | #300001 | 0.016 |
| Achromatopsia (no color) | #101010 | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2A0100
#2A0100
oklch(18.1% 0.071 30.6)
- #00151A
#00151A
oklch(18% 0.032 213.8)
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 #2A0100, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Very Dark Brown #1D0200 ΔE 0.035
- Dark Maroon #3C0008 ΔE 0.050
- Deep Brown #410200 ΔE 0.061
- Dark Brown #341C02 ΔE 0.083
- Mahogany #4A0100 ΔE 0.084
- Almost Black #070D0D ΔE 0.086
- Chocolate Brown #411900 ΔE 0.092
- Dark Plum #3F012C ΔE 0.099
Use #2A0100 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.