#37041E
Closest named color: Dark Plum (#3F012C). oklch(22.6% 0.084 354.8), rgb(55, 4, 30).
Aa
White text reads best on this color (17.52:1).
About this color
#37041E is a very dark, moderately saturated red. In OKLCH its lightness is 23%, its chroma 0.084 and its hue 355°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Plum (#3F012C), ΔE 0.033 away. White text reads best on it, at 17.52:1.
| Hue family | Reds |
| Lightness | very dark (23%) |
| Chroma | moderately saturated (0.084) |
| Temperature | warm |
| Nearest name | Dark Plum (#3F012C) |
| Black text | 1.19:1 |
| White text | 17.52:1 |
Values
| HEX | #37041E |
| RGB | rgb(55, 4, 30) |
| HSL | hsl(329, 86%, 12%) |
| OKLCH | oklch(22.6% 0.084 354.8) |
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 #37041E | 17.52:1 | AAA | Lc -106.1 | Preferred for body text |
| Black text on #37041E | 1.19:1 | Fails | Lc 0.0 | Not readable |
| #37041E text on white | 17.52:1 | AAA | Lc 103.6 | Preferred for body text |
| #37041E 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
#FDF2F6
oklch(97.1% 0.013 353.1)
-
Step 100
100
#FBE2EB
oklch(93.6% 0.03 353.9)
-
Step 200
200
#F8CBDB
oklch(88.5% 0.055 354.9)
-
Step 300
300
#F4A6C4
oklch(80.9% 0.099 354.8)
-
Step 400
400
#EB72A6
oklch(70.8% 0.159 354.9)
-
Step 500
500
#E04490
oklch(63% 0.203 354.7)
-
Step 600
600
#CB137A
oklch(55.5% 0.22 354.8)
-
Step 700
700
#AE0067
oklch(49.1% 0.202 354.6)
-
Step 800
800
#8E0954
oklch(42.6% 0.17 354.6)
-
Step 900
900
#731745
oklch(37.8% 0.132 355.2)
-
Step 950
950 (this color)
#37041E
oklch(22.6% 0.084 354.8)
#37041E 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) | #0E131F | 0.095 |
| Deuteranopia (no green cones) | #1D1D1D | 0.084 |
| Tritanopia (no blue cones) | #3C000F | 0.029 |
| Achromatopsia (no color) | #191919 | 0.085 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37041E
#37041E
oklch(22.6% 0.084 354.8)
- #00221B
#00221B
oklch(22.5% 0.042 176.1)
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 #37041E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Plum #3F012C ΔE 0.033
- Dark Maroon #3C0008 ΔE 0.039
- Aubergine #3D0734 ΔE 0.043
- Eggplant #380835 ΔE 0.044
- Deep Brown #410200 ΔE 0.057
- Very Dark Purple #2A0134 ΔE 0.060
- Dark Purple #35063E ΔE 0.062
- Deep Purple #36013F ΔE 0.066
Use #37041E 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.