#370C1C
Closest named color: Dark Maroon (#3C0008). oklch(23.5% 0.07 1.3), rgb(55, 12, 28).
Aa
White text reads best on this color (17.04:1).
About this color
#370C1C is a very dark, moderately saturated red. In OKLCH its lightness is 24%, its chroma 0.070 and its hue 1°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Maroon (#3C0008), ΔE 0.035 away. White text reads best on it, at 17.04:1.
| Hue family | Reds |
| Lightness | very dark (24%) |
| Chroma | moderately saturated (0.070) |
| Temperature | warm |
| Nearest name | Dark Maroon (#3C0008) |
| Black text | 1.23:1 |
| White text | 17.04:1 |
Values
| HEX | #370C1C |
| RGB | rgb(55, 12, 28) |
| HSL | hsl(338, 64%, 13%) |
| OKLCH | oklch(23.5% 0.07 1.3) |
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 #370C1C | 17.04:1 | AAA | Lc -106.0 | Preferred for body text |
| Black text on #370C1C | 1.23:1 | Fails | Lc 0.0 | Not readable |
| #370C1C text on white | 17.04:1 | AAA | Lc 103.5 | Preferred for body text |
| #370C1C 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
#FCF2F5
oklch(97% 0.011 357)
-
Step 100
100
#F9E4E9
oklch(93.7% 0.024 1.3)
-
Step 200
200
#F5CDD7
oklch(88.5% 0.047 1.3)
-
Step 300
300
#EFAABD
oklch(80.9% 0.084 1.1)
-
Step 400
400
#E37B9B
oklch(70.7% 0.133 1.4)
-
Step 500
500
#D85483
oklch(63.1% 0.171 1.1)
-
Step 600
600
#C3336C
oklch(55.6% 0.185 1.4)
-
Step 700
700
#A8245A
oklch(49.2% 0.171 1.6)
-
Step 800
800
#88214A
oklch(42.7% 0.141 1.2)
-
Step 900
900
#6E223E
oklch(37.8% 0.111 1.3)
-
Step 950
950 (this color)
#370C1C
oklch(23.5% 0.07 1.3)
#370C1C 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) | #15171C | 0.078 |
| Deuteranopia (no green cones) | #201F1B | 0.071 |
| Tritanopia (no blue cones) | #3C0712 | 0.020 |
| Achromatopsia (no color) | #1C1C1C | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #370C1C
#370C1C
oklch(23.5% 0.07 1.3)
- #00251F
#00251F
oklch(23.7% 0.043 179.4)
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 #370C1C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Maroon #3C0008 ΔE 0.035
- Dark Plum #3F012C ΔE 0.043
- Deep Brown #410200 ΔE 0.048
- Aubergine #3D0734 ΔE 0.050
- Eggplant #380835 ΔE 0.051
- Mahogany #4A0100 ΔE 0.059
- Chocolate Brown #411900 ΔE 0.067
- Dark Brown #341C02 ΔE 0.069
Use #370C1C 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.