#370418
Closest named color: Dark Maroon (#3C0008). oklch(22.4% 0.081 2.6), rgb(55, 4, 24).
Aa
White text reads best on this color (17.60:1).
About this color
#370418 is a very dark, moderately saturated red. In OKLCH its lightness is 22%, its chroma 0.081 and its hue 3°. 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 17.60:1.
| Hue family | Reds |
| Lightness | very dark (22%) |
| Chroma | moderately saturated (0.081) |
| Temperature | warm |
| Nearest name | Dark Maroon (#3C0008) |
| Black text | 1.19:1 |
| White text | 17.60:1 |
Values
| HEX | #370418 |
| RGB | rgb(55, 4, 24) |
| HSL | hsl(336, 86%, 12%) |
| OKLCH | oklch(22.4% 0.081 2.6) |
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 #370418 | 17.60:1 | AAA | Lc -106.1 | Preferred for body text |
| Black text on #370418 | 1.19:1 | Fails | Lc 0.0 | Not readable |
| #370418 text on white | 17.60:1 | AAA | Lc 103.7 | Preferred for body text |
| #370418 text on black | 1.19:1 | 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
#FEF2F5
oklch(97.1% 0.013 0.3)
-
Step 100
100
#FBE3E8
oklch(93.7% 0.027 3.4)
-
Step 200
200
#F9CBD6
oklch(88.5% 0.054 2.2)
-
Step 300
300
#F6A7BB
oklch(81% 0.096 2.9)
-
Step 400
400
#EC7398
oklch(70.6% 0.153 2.5)
-
Step 500
500
#E2467F
oklch(63% 0.196 2.4)
-
Step 600
600
#CE1868
oklch(55.7% 0.214 2.7)
-
Step 700
700
#B10057
oklch(49.1% 0.198 2.4)
-
Step 800
800
#900C47
oklch(42.7% 0.165 2.5)
-
Step 900
900
#74183B
oklch(37.7% 0.128 3)
-
Step 950
950 (this color)
#370418
oklch(22.4% 0.081 2.6)
#370418 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) | #101218 | 0.092 |
| Deuteranopia (no green cones) | #1E1D17 | 0.084 |
| Tritanopia (no blue cones) | #3D000C | 0.024 |
| Achromatopsia (no color) | #191919 | 0.082 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #370418
#370418
oklch(22.4% 0.081 2.6)
- #00211D
#00211D
oklch(22.3% 0.04 183.4)
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 #370418, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Maroon #3C0008 ΔE 0.028
- Dark Plum #3F012C ΔE 0.043
- Deep Brown #410200 ΔE 0.046
- Aubergine #3D0734 ΔE 0.054
- Eggplant #380835 ΔE 0.055
- Mahogany #4A0100 ΔE 0.060
- Very Dark Purple #2A0134 ΔE 0.070
- Dark Purple #35063E ΔE 0.074
Use #370418 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.