#370B08
Closest named color: Dark Maroon (#3C0008). oklch(22.9% 0.071 28.1), rgb(55, 11, 8).
Aa
White text reads best on this color (17.30:1).
About this color
#370B08 is a very dark, moderately saturated red. In OKLCH its lightness is 23%, its chroma 0.071 and its hue 28°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Maroon (#3C0008), ΔE 0.023 away. White text reads best on it, at 17.30:1.
| Hue family | Reds |
| Lightness | very dark (23%) |
| Chroma | moderately saturated (0.071) |
| Temperature | warm |
| Nearest name | Dark Maroon (#3C0008) |
| Black text | 1.21:1 |
| White text | 17.30:1 |
Values
| HEX | #370B08 |
| RGB | rgb(55, 11, 8) |
| HSL | hsl(4, 75%, 12%) |
| OKLCH | oklch(22.9% 0.071 28.1) |
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 #370B08 | 17.30:1 | AAA | Lc -106.1 | Preferred for body text |
| Black text on #370B08 | 1.21:1 | Fails | Lc 0.0 | Not readable |
| #370B08 text on white | 17.30:1 | AAA | Lc 103.7 | Preferred for body text |
| #370B08 text on black | 1.21:1 | 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
#F7CEC8
oklch(88.5% 0.047 27.8)
-
Step 300
300
#F2ACA3
oklch(80.8% 0.084 27.3)
-
Step 400
400
#E87D71
oklch(70.6% 0.134 27.6)
-
Step 500
500
#DE574B
oklch(63.1% 0.171 28)
-
Step 600
600
#C9362D
oklch(55.6% 0.185 28.3)
-
Step 700
700
#AD2620
oklch(49% 0.172 28.1)
-
Step 800
800
#8D221C
oklch(42.7% 0.144 28.1)
-
Step 900
900
#71231D
oklch(37.7% 0.111 28)
-
Step 950
950 (this color)
#370B08
oklch(22.9% 0.071 28.1)
#370B08 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) | #171507 | 0.076 |
| Deuteranopia (no green cones) | #221E07 | 0.069 |
| Tritanopia (no blue cones) | #3D020B | 0.022 |
| Achromatopsia (no color) | #1B1B1B | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #370B08
#370B08
oklch(22.9% 0.071 28.1)
- #002226
#002226
oklch(23% 0.039 206.2)
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 #370B08, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Maroon #3C0008 ΔE 0.023
- Deep Brown #410200 ΔE 0.026
- Mahogany #4A0100 ΔE 0.045
- Chocolate Brown #411900 ΔE 0.049
- Dark Brown #341C02 ΔE 0.049
- Dark Plum #3F012C ΔE 0.073
- Very Dark Brown #1D0200 ΔE 0.080
- Aubergine #3D0734 ΔE 0.083
Use #370B08 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.