#370618
Closest named color: Dark Maroon (#3C0008). oklch(22.6% 0.078 3.7), rgb(55, 6, 24).
Aa
White text reads best on this color (17.47:1).
About this color
#370618 is a very dark, moderately saturated red. In OKLCH its lightness is 23%, its chroma 0.078 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 17.47:1.
| Hue family | Reds |
| Lightness | very dark (23%) |
| Chroma | moderately saturated (0.078) |
| Temperature | warm |
| Nearest name | Dark Maroon (#3C0008) |
| Black text | 1.20:1 |
| White text | 17.47:1 |
Values
| HEX | #370618 |
| RGB | rgb(55, 6, 24) |
| HSL | hsl(338, 80%, 12%) |
| OKLCH | oklch(22.6% 0.078 3.7) |
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 #370618 | 17.47:1 | AAA | Lc -106.1 | Preferred for body text |
| Black text on #370618 | 1.20:1 | Fails | Lc 0.0 | Not readable |
| #370618 text on white | 17.47:1 | AAA | Lc 103.7 | Preferred for body text |
| #370618 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
#FBE3E8
oklch(93.7% 0.027 3.4)
-
Step 200
200
#F8CCD5
oklch(88.6% 0.051 4.4)
-
Step 300
300
#F4A8BA
oklch(81% 0.092 3.8)
-
Step 400
400
#EA7596
oklch(70.6% 0.148 3.7)
-
Step 500
500
#E04B7D
oklch(63.1% 0.188 3.7)
-
Step 600
600
#CB2266
oklch(55.6% 0.205 3.7)
-
Step 700
700
#AF0F55
oklch(49.1% 0.19 3.6)
-
Step 800
800
#8E1445
oklch(42.6% 0.157 3.9)
-
Step 900
900
#721B3A
oklch(37.6% 0.123 3.8)
-
Step 950
950 (this color)
#370618
oklch(22.6% 0.078 3.7)
#370618 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) | #121318 | 0.087 |
| Deuteranopia (no green cones) | #1F1D17 | 0.079 |
| Tritanopia (no blue cones) | #3D000E | 0.022 |
| Achromatopsia (no color) | #1A1A1A | 0.078 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #370618
#370618
oklch(22.6% 0.078 3.7)
- #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 #370618, 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 0.044
- Deep Brown #410200 ΔE 0.045
- Aubergine #3D0734 ΔE 0.054
- Eggplant #380835 ΔE 0.055
- Mahogany #4A0100 ΔE 0.058
- Very Dark Purple #2A0134 ΔE 0.072
- Chocolate Brown #411900 ΔE 0.073
Use #370618 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.