#370909
Closest named color: Dark Maroon (#3C0008). oklch(22.6% 0.073 25.1), rgb(55, 9, 9).
Aa
White text reads best on this color (17.42:1).
About this color
#370909 is a very dark, moderately saturated red. In OKLCH its lightness is 23%, its chroma 0.073 and its hue 25°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Maroon (#3C0008), ΔE 0.019 away. White text reads best on it, at 17.42:1.
| Hue family | Reds |
| Lightness | very dark (23%) |
| Chroma | moderately saturated (0.073) |
| Temperature | warm |
| Nearest name | Dark Maroon (#3C0008) |
| Black text | 1.20:1 |
| White text | 17.42:1 |
Values
| HEX | #370909 |
| RGB | rgb(55, 9, 9) |
| HSL | hsl(0, 72%, 13%) |
| OKLCH | oklch(22.6% 0.073 25.1) |
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 #370909 | 17.42:1 | AAA | Lc -106.1 | Preferred for body text |
| Black text on #370909 | 1.20:1 | Fails | Lc 0.0 | Not readable |
| #370909 text on white | 17.42:1 | AAA | Lc 103.7 | Preferred for body text |
| #370909 text on black | 1.20:1 | 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
#FAE4E1
oklch(93.6% 0.025 26.9)
-
Step 200
200
#F7CEC9
oklch(88.5% 0.047 26.2)
-
Step 300
300
#F3ABA4
oklch(80.8% 0.086 25.3)
-
Step 400
400
#EA7B74
oklch(70.7% 0.138 24.9)
-
Step 500
500
#E05450
oklch(63.2% 0.176 25.1)
-
Step 600
600
#CB3033
oklch(55.5% 0.191 25.2)
-
Step 700
700
#AF2026
oklch(49% 0.178 25.1)
-
Step 800
800
#8E1F21
oklch(42.7% 0.147 25.2)
-
Step 900
900
#722120
oklch(37.6% 0.114 25.1)
-
Step 950
950 (this color)
#370909
oklch(22.6% 0.073 25.1)
#370909 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) | #161409 | 0.079 |
| Deuteranopia (no green cones) | #221E08 | 0.072 |
| Tritanopia (no blue cones) | #3D000A | 0.021 |
| Achromatopsia (no color) | #1A1A1A | 0.073 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #370909
#370909
oklch(22.6% 0.073 25.1)
- #002125
#002125
oklch(22.6% 0.039 206.4)
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 #370909, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Maroon #3C0008 ΔE 0.019
- Deep Brown #410200 ΔE 0.026
- Mahogany #4A0100 ΔE 0.045
- Chocolate Brown #411900 ΔE 0.053
- Dark Brown #341C02 ΔE 0.054
- Dark Plum #3F012C ΔE 0.070
- Very Dark Brown #1D0200 ΔE 0.078
- Aubergine #3D0734 ΔE 0.080
Use #370909 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.