#37081D
Closest named color: Dark Maroon (#3C0008). oklch(23.1% 0.077 357.8), rgb(55, 8, 29).
Aa
White text reads best on this color (17.28:1).
About this color
#37081D is a very dark, moderately saturated red. In OKLCH its lightness is 23%, its chroma 0.077 and its hue 358°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Maroon (#3C0008), ΔE 0.036 away. White text reads best on it, at 17.28:1.
| Hue family | Reds |
| Lightness | very dark (23%) |
| Chroma | moderately saturated (0.077) |
| Temperature | warm |
| Nearest name | Dark Maroon (#3C0008) |
| Black text | 1.21:1 |
| White text | 17.28:1 |
Values
| HEX | #37081D |
| RGB | rgb(55, 8, 29) |
| HSL | hsl(333, 75%, 12%) |
| OKLCH | oklch(23.1% 0.077 357.8) |
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 #37081D | 17.28:1 | AAA | Lc -106.0 | Preferred for body text |
| Black text on #37081D | 1.21:1 | Fails | Lc 0.0 | Not readable |
| #37081D text on white | 17.28:1 | AAA | Lc 103.6 | Preferred for body text |
| #37081D text on black | 1.21:1 | 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
#FDF2F5
oklch(97.1% 0.012 358.8)
-
Step 100
100
#FAE3EA
oklch(93.6% 0.027 357.2)
-
Step 200
200
#F6CCD9
oklch(88.5% 0.05 357.6)
-
Step 300
300
#F1A8C0
oklch(80.8% 0.091 357.9)
-
Step 400
400
#E777A0
oklch(70.8% 0.145 358.2)
-
Step 500
500
#DC4D89
oklch(63.1% 0.186 358)
-
Step 600
600
#C72773
oklch(55.6% 0.202 357.9)
-
Step 700
700
#AB1661
oklch(49% 0.187 357.5)
-
Step 800
800
#8B184F
oklch(42.7% 0.155 357.7)
-
Step 900
900
#701D41
oklch(37.7% 0.121 358.2)
-
Step 950
950 (this color)
#37081D
oklch(23.1% 0.077 357.8)
#37081D 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) | #12151E | 0.085 |
| Deuteranopia (no green cones) | #1E1E1C | 0.078 |
| Tritanopia (no blue cones) | #3C0411 | 0.024 |
| Achromatopsia (no color) | #1B1B1B | 0.077 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37081D
#37081D
oklch(23.1% 0.077 357.8)
- #00231D
#00231D
oklch(22.9% 0.042 178.8)
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 #37081D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Maroon #3C0008 ΔE 0.036
- Dark Plum #3F012C ΔE 0.037
- Aubergine #3D0734 ΔE 0.046
- Eggplant #380835 ΔE 0.047
- Deep Brown #410200 ΔE 0.051
- Mahogany #4A0100 ΔE 0.063
- Very Dark Purple #2A0134 ΔE 0.066
- Dark Purple #35063E ΔE 0.066
Use #37081D 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.