#370718
Closest named color: Dark Maroon (#3C0008). oklch(22.8% 0.076 4.2), rgb(55, 7, 24).
Aa
White text reads best on this color (17.41:1).
About this color
#370718 is a very dark, moderately saturated red. In OKLCH its lightness is 23%, its chroma 0.076 and its hue 4°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Maroon (#3C0008), ΔE 0.028 away. White text reads best on it, at 17.41:1.
| Hue family | Reds |
| Lightness | very dark (23%) |
| Chroma | moderately saturated (0.076) |
| Temperature | warm |
| Nearest name | Dark Maroon (#3C0008) |
| Black text | 1.20:1 |
| White text | 17.41:1 |
Values
| HEX | #370718 |
| RGB | rgb(55, 7, 24) |
| HSL | hsl(339, 77%, 12%) |
| OKLCH | oklch(22.8% 0.076 4.2) |
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 #370718 | 17.41:1 | AAA | Lc -106.1 | Preferred for body text |
| Black text on #370718 | 1.20:1 | Fails | Lc 0.0 | Not readable |
| #370718 text on white | 17.41:1 | AAA | Lc 103.7 | Preferred for body text |
| #370718 text on black | 1.20:1 | 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
#FDF2F4
oklch(97% 0.012 4.7)
-
Step 100
100
#FAE3E8
oklch(93.6% 0.026 2.8)
-
Step 200
200
#F7CCD5
oklch(88.5% 0.05 4.1)
-
Step 300
300
#F3A8B9
oklch(80.8% 0.091 4.4)
-
Step 400
400
#E97696
oklch(70.6% 0.145 3.9)
-
Step 500
500
#DF4D7C
oklch(63.2% 0.185 4.3)
-
Step 600
600
#CA2665
oklch(55.6% 0.201 4.3)
-
Step 700
700
#AE1454
oklch(49.1% 0.187 4.2)
-
Step 800
800
#8D1745
oklch(42.6% 0.154 4)
-
Step 900
900
#721C3A
oklch(37.7% 0.121 4)
-
Step 950
950 (this color)
#370718
oklch(22.8% 0.076 4.2)
#370718 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) | #121418 | 0.086 |
| Deuteranopia (no green cones) | #1F1D17 | 0.077 |
| Tritanopia (no blue cones) | #3D010E | 0.022 |
| Achromatopsia (no color) | #1A1A1A | 0.077 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #370718
#370718
oklch(22.8% 0.076 4.2)
- #00221E
#00221E
oklch(22.6% 0.04 183.6)
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 #370718, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Maroon #3C0008 ΔE 0.028
- Deep Brown #410200 ΔE 0.044
- Dark Plum #3F012C ΔE 0.045
- Aubergine #3D0734 ΔE 0.055
- Eggplant #380835 ΔE 0.056
- Mahogany #4A0100 ΔE 0.057
- Chocolate Brown #411900 ΔE 0.071
- Very Dark Purple #2A0134 ΔE 0.073
Use #370718 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.