#370D19
Closest named color: Dark Maroon (#3C0008). oklch(23.6% 0.068 6.5), rgb(55, 13, 25).
Aa
White text reads best on this color (17.01:1).
About this color
#370D19 is a very dark, muted red. In OKLCH its lightness is 24%, its chroma 0.068 and its hue 6°. 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 17.01:1.
| Hue family | Reds |
| Lightness | very dark (24%) |
| Chroma | muted (0.068) |
| Temperature | warm |
| Nearest name | Dark Maroon (#3C0008) |
| Black text | 1.23:1 |
| White text | 17.01:1 |
Values
| HEX | #370D19 |
| RGB | rgb(55, 13, 25) |
| HSL | hsl(343, 62%, 13%) |
| OKLCH | oklch(23.6% 0.068 6.5) |
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 #370D19 | 17.01:1 | AAA | Lc -106.0 | Preferred for body text |
| Black text on #370D19 | 1.23:1 | Fails | Lc 0.0 | Not readable |
| #370D19 text on white | 17.01:1 | AAA | Lc 103.5 | Preferred for body text |
| #370D19 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
#FCF3F4
oklch(97.1% 0.01 9.5)
-
Step 100
100
#F9E4E7
oklch(93.7% 0.023 7.7)
-
Step 200
200
#F4CED4
oklch(88.5% 0.043 7.3)
-
Step 300
300
#EEABB8
oklch(80.8% 0.08 6.2)
-
Step 400
400
#E37C94
oklch(70.7% 0.129 6)
-
Step 500
500
#D75779
oklch(63% 0.163 6.6)
-
Step 600
600
#C33762
oklch(55.7% 0.178 6.7)
-
Step 700
700
#A82751
oklch(49.1% 0.166 6.7)
-
Step 800
800
#882343
oklch(42.7% 0.137 6.2)
-
Step 900
900
#6E2338
oklch(37.7% 0.107 6.8)
-
Step 950
950 (this color)
#370D19
oklch(23.6% 0.068 6.5)
#370D19 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) | #161719 | 0.075 |
| Deuteranopia (no green cones) | #211F18 | 0.068 |
| Tritanopia (no blue cones) | #3C0712 | 0.017 |
| Achromatopsia (no color) | #1C1C1C | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #370D19
#370D19
oklch(23.6% 0.068 6.5)
- #002421
#002421
oklch(23.4% 0.041 186.7)
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 #370D19, 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 0.043
- Dark Plum #3F012C ΔE 0.049
- Mahogany #4A0100 ΔE 0.055
- Aubergine #3D0734 ΔE 0.056
- Eggplant #380835 ΔE 0.057
- Chocolate Brown #411900 ΔE 0.061
- Dark Brown #341C02 ΔE 0.063
Use #370D19 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.