#2F0309
Closest named color: Dark Maroon (#3C0008). oklch(19.9% 0.072 17.8), rgb(47, 3, 9).
Aa
White text reads best on this color (18.45:1).
About this color
#2F0309 is a very dark, moderately saturated red. In OKLCH its lightness is 20%, its chroma 0.072 and its hue 18°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Maroon (#3C0008), ΔE 0.032 away. White text reads best on it, at 18.45:1.
| Hue family | Reds |
| Lightness | very dark (20%) |
| Chroma | moderately saturated (0.072) |
| Temperature | warm |
| Nearest name | Dark Maroon (#3C0008) |
| Black text | 1.13:1 |
| White text | 18.45:1 |
Values
| HEX | #2F0309 |
| RGB | rgb(47, 3, 9) |
| HSL | hsl(352, 88%, 10%) |
| OKLCH | oklch(19.9% 0.072 17.8) |
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 #2F0309 | 18.45:1 | AAA | Lc -106.7 | Preferred for body text |
| Black text on #2F0309 | 1.13:1 | Fails | Lc 0.0 | Not readable |
| #2F0309 text on white | 18.45:1 | AAA | Lc 104.5 | Preferred for body text |
| #2F0309 text on black | 1.13:1 | 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
#FAE4E4
oklch(93.7% 0.024 17.6)
-
Step 200
200
#F7CDCD
oklch(88.4% 0.048 18.1)
-
Step 300
300
#F3ABAC
oklch(81% 0.085 18.2)
-
Step 400
400
#E97B81
oklch(70.8% 0.136 17.7)
-
Step 500
500
#DE5361
oklch(63% 0.173 17.7)
-
Step 600
600
#CA3048
oklch(55.7% 0.189 17.7)
-
Step 700
700
#AE2039
oklch(49.1% 0.176 17.9)
-
Step 800
800
#8D1E30
oklch(42.6% 0.145 17.4)
-
Step 900
900
#72212A
oklch(37.8% 0.113 18.1)
-
Step 950
950 (this color)
#2F0309
oklch(19.9% 0.072 17.8)
#2F0309 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) | #0F0E09 | 0.079 |
| Deuteranopia (no green cones) | #1A1708 | 0.073 |
| Tritanopia (no blue cones) | #350005 | 0.016 |
| Achromatopsia (no color) | #141414 | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2F0309
#2F0309
oklch(19.9% 0.072 17.8)
- #001A1B
#001A1B
oklch(19.8% 0.034 198.2)
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 #2F0309, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Maroon #3C0008 ΔE 0.032
- Deep Brown #410200 ΔE 0.048
- Very Dark Brown #1D0200 ΔE 0.054
- Mahogany #4A0100 ΔE 0.069
- Dark Plum #3F012C ΔE 0.075
- Dark Brown #341C02 ΔE 0.075
- Chocolate Brown #411900 ΔE 0.080
- Eggplant #380835 ΔE 0.084
Use #2F0309 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.