#2A0000
Closest named color: Very Dark Brown (#1D0200). oklch(17.9% 0.073 29.2), rgb(42, 0, 0).
Aa
White text reads best on this color (19.11:1).
About this color
#2A0000 is a very dark, moderately saturated red. In OKLCH its lightness is 18%, its chroma 0.073 and its hue 29°. Its hue sits on the warm side of the wheel. The nearest named color is Very Dark Brown (#1D0200), ΔE 0.034 away. White text reads best on it, at 19.11:1.
| Hue family | Reds |
| Lightness | very dark (18%) |
| Chroma | moderately saturated (0.073) |
| Temperature | warm |
| Nearest name | Very Dark Brown (#1D0200) |
| Black text | 1.09:1 |
| White text | 19.11:1 |
Values
| HEX | #2A0000 |
| RGB | rgb(42, 0, 0) |
| HSL | hsl(0, 100%, 8%) |
| OKLCH | oklch(17.9% 0.073 29.2) |
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 #2A0000 | 19.11:1 | AAA | Lc -107.0 | Preferred for body text |
| Black text on #2A0000 | 1.09:1 | Fails | Lc 0.0 | Not readable |
| #2A0000 text on white | 19.11:1 | AAA | Lc 104.8 | Preferred for body text |
| #2A0000 text on black | 1.09:1 | 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
#F8CEC7
oklch(88.6% 0.049 29.1)
-
Step 300
300
#F4ACA0
oklch(81% 0.087 29.6)
-
Step 400
400
#EA7C6D
oklch(70.7% 0.139 29.1)
-
Step 500
500
#E05445
oklch(63% 0.178 29.1)
-
Step 600
600
#CC3125
oklch(55.6% 0.193 29.2)
-
Step 700
700
#B02117
oklch(49.1% 0.18 29.4)
-
Step 800
800
#8F1F16
oklch(42.7% 0.149 29.4)
-
Step 900
900
#732119
oklch(37.7% 0.117 29.2)
-
Step 950
950 (this color)
#2A0000
oklch(17.9% 0.073 29.2)
#2A0000 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) | #0C0900 | 0.079 |
| Deuteranopia (no green cones) | #171300 | 0.071 |
| Tritanopia (no blue cones) | #300000 | 0.016 |
| Achromatopsia (no color) | #0F0F0F | 0.074 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2A0000
#2A0000
oklch(17.9% 0.073 29.2)
- #001519
#001519
oklch(17.9% 0.031 210.2)
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 #2A0000, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Very Dark Brown #1D0200 ΔE 0.034
- Dark Maroon #3C0008 ΔE 0.051
- Deep Brown #410200 ΔE 0.063
- Mahogany #4A0100 ΔE 0.085
- Dark Brown #341C02 ΔE 0.086
- Almost Black #070D0D ΔE 0.087
- Chocolate Brown #411900 ΔE 0.094
- Dark Plum #3F012C ΔE 0.099
Use #2A0000 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.