#370F13
Closest named color: Dark Maroon (#3C0008). oklch(23.7% 0.064 17.5), rgb(55, 15, 19).
Aa
White text reads best on this color (16.93:1).
About this color
#370F13 is a very dark, muted red. In OKLCH its lightness is 24%, its chroma 0.064 and its hue 18°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Maroon (#3C0008), ΔE 0.029 away. White text reads best on it, at 16.93:1.
| Hue family | Reds |
| Lightness | very dark (24%) |
| Chroma | muted (0.064) |
| Temperature | warm |
| Nearest name | Dark Maroon (#3C0008) |
| Black text | 1.24:1 |
| White text | 16.93:1 |
Values
| HEX | #370F13 |
| RGB | rgb(55, 15, 19) |
| HSL | hsl(354, 57%, 14%) |
| OKLCH | oklch(23.7% 0.064 17.5) |
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 #370F13 | 16.93:1 | AAA | Lc -105.9 | Preferred for body text |
| Black text on #370F13 | 1.24:1 | Fails | Lc 0.0 | Not readable |
| #370F13 text on white | 16.93:1 | AAA | Lc 103.5 | Preferred for body text |
| #370F13 text on black | 1.24:1 | 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
#FCF3F3
oklch(97.1% 0.01 17.3)
-
Step 100
100
#F8E4E4
oklch(93.5% 0.022 17.6)
-
Step 200
200
#F4CFCF
oklch(88.6% 0.042 18)
-
Step 300
300
#EEADAF
oklch(80.9% 0.077 16.8)
-
Step 400
400
#E28085
oklch(70.8% 0.121 17.4)
-
Step 500
500
#D65C66
oklch(63.1% 0.154 17.7)
-
Step 600
600
#C23D4E
oklch(55.7% 0.169 17.3)
-
Step 700
700
#A72E3E
oklch(49.2% 0.156 17.8)
-
Step 800
800
#872834
oklch(42.7% 0.129 17.3)
-
Step 900
900
#6D262D
oklch(37.7% 0.101 17.5)
-
Step 950
950 (this color)
#370F13
oklch(23.7% 0.064 17.5)
#370F13 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) | #191713 | 0.069 |
| Deuteranopia (no green cones) | #232012 | 0.065 |
| Tritanopia (no blue cones) | #3D0811 | 0.017 |
| Achromatopsia (no color) | #1D1D1D | 0.064 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #370F13
#370F13
oklch(23.7% 0.064 17.5)
- #002425
#002425
oklch(23.6% 0.04 197.5)
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 #370F13, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Maroon #3C0008 ΔE 0.029
- Deep Brown #410200 ΔE 0.035
- Mahogany #4A0100 ΔE 0.049
- Chocolate Brown #411900 ΔE 0.050
- Dark Brown #341C02 ΔE 0.051
- Dark Plum #3F012C ΔE 0.061
- Aubergine #3D0734 ΔE 0.068
- Eggplant #380835 ΔE 0.070
Use #370F13 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.