#370E0B
Closest named color: Dark Maroon (#3C0008). oklch(23.4% 0.066 27.5), rgb(55, 14, 11).
Aa
White text reads best on this color (17.07:1).
About this color
#370E0B is a very dark, muted red. In OKLCH its lightness is 23%, its chroma 0.066 and its hue 28°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Maroon (#3C0008), ΔE 0.027 away. White text reads best on it, at 17.07:1.
| Hue family | Reds |
| Lightness | very dark (23%) |
| Chroma | muted (0.066) |
| Temperature | warm |
| Nearest name | Dark Maroon (#3C0008) |
| Black text | 1.23:1 |
| White text | 17.07:1 |
Values
| HEX | #370E0B |
| RGB | rgb(55, 14, 11) |
| HSL | hsl(4, 67%, 13%) |
| OKLCH | oklch(23.4% 0.066 27.5) |
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 #370E0B | 17.07:1 | AAA | Lc -106.0 | Preferred for body text |
| Black text on #370E0B | 1.23:1 | Fails | Lc 0.0 | Not readable |
| #370E0B text on white | 17.07:1 | AAA | Lc 103.6 | Preferred for body text |
| #370E0B text on black | 1.23:1 | 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
#FCF3F2
oklch(97.1% 0.01 25.1)
-
Step 100
100
#F9E5E2
oklch(93.7% 0.022 27.8)
-
Step 200
200
#F5CFCA
oklch(88.5% 0.044 26.8)
-
Step 300
300
#EFAEA5
oklch(80.9% 0.078 27.8)
-
Step 400
400
#E48075
oklch(70.7% 0.125 27.3)
-
Step 500
500
#D95C51
oklch(63.1% 0.159 27.6)
-
Step 600
600
#C53C35
oklch(55.6% 0.175 27.3)
-
Step 700
700
#A92D27
oklch(49% 0.162 27.6)
-
Step 800
800
#8A2722
oklch(42.8% 0.135 27.3)
-
Step 900
900
#6F2620
oklch(37.7% 0.105 27.8)
-
Step 950
950 (this color)
#370E0B
oklch(23.4% 0.066 27.5)
#370E0B 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) | #19160A | 0.070 |
| Deuteranopia (no green cones) | #231F0A | 0.064 |
| Tritanopia (no blue cones) | #3D050E | 0.022 |
| Achromatopsia (no color) | #1C1C1C | 0.067 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #370E0B
#370E0B
oklch(23.4% 0.066 27.5)
- #002327
#002327
oklch(23.4% 0.04 205.9)
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 #370E0B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Maroon #3C0008 ΔE 0.027
- Deep Brown #410200 ΔE 0.029
- Dark Brown #341C02 ΔE 0.045
- Chocolate Brown #411900 ΔE 0.045
- Mahogany #4A0100 ΔE 0.045
- Dark Plum #3F012C ΔE 0.072
- Jet #212529 ΔE 0.079
- Aubergine #3D0734 ΔE 0.080
Use #370E0B 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.