#370D31
Closest named color: Eggplant (#380835). oklch(24.7% 0.083 334), rgb(55, 13, 49).
Aa
White text reads best on this color (16.60:1).
About this color
#370D31 is a very dark, moderately saturated purple. In OKLCH its lightness is 25%, its chroma 0.083 and its hue 334°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Eggplant (#380835), ΔE 0.013 away. White text reads best on it, at 16.60:1.
| Hue family | Purples |
| Lightness | very dark (25%) |
| Chroma | moderately saturated (0.083) |
| Temperature | in between |
| Nearest name | Eggplant (#380835) |
| Black text | 1.26:1 |
| White text | 16.60:1 |
Values
| HEX | #370D31 |
| RGB | rgb(55, 13, 49) |
| HSL | hsl(309, 62%, 13%) |
| OKLCH | oklch(24.7% 0.083 334) |
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 #370D31 | 16.60:1 | AAA | Lc -105.6 | Preferred for body text |
| Black text on #370D31 | 1.26:1 | Fails | Lc 0.0 | Not readable |
| #370D31 text on white | 16.60:1 | AAA | Lc 103.1 | Preferred for body text |
| #370D31 text on black | 1.26:1 | 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
#FBF2F9
oklch(97% 0.013 333)
-
Step 100
100
#F6E3F2
oklch(93.5% 0.029 332.8)
-
Step 200
200
#F1CCE8
oklch(88.5% 0.055 334.6)
-
Step 300
300
#E8A9DB
oklch(80.9% 0.098 334)
-
Step 400
400
#DA77C9
oklch(70.6% 0.159 333.8)
-
Step 500
500
#CD4EBB
oklch(63% 0.202 333.7)
-
Step 600
600
#B929A7
oklch(55.7% 0.22 333.9)
-
Step 700
700
#9F188F
oklch(49.2% 0.204 334)
-
Step 800
800
#811974
oklch(42.7% 0.169 334)
-
Step 900
900
#681E5E
oklch(37.8% 0.131 333.7)
-
Step 950
950 (this color)
#370D31
oklch(24.7% 0.083 334)
#370D31 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) | #0C1A32 | 0.089 |
| Deuteranopia (no green cones) | #1A2130 | 0.078 |
| Tritanopia (no blue cones) | #3A101D | 0.042 |
| Achromatopsia (no color) | #1E1E1E | 0.084 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #370D31
#370D31
oklch(24.7% 0.083 334)
- #002912
#002912
oklch(24.6% 0.062 153.8)
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 #370D31, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Eggplant #380835 ΔE 0.013
- Aubergine #3D0734 ΔE 0.017
- Dark Plum #3F012C ΔE 0.026
- Dark Purple #35063E ΔE 0.031
- Deep Purple #36013F ΔE 0.037
- Eggplant Purple #430541 ΔE 0.041
- Very Dark Purple #2A0134 ΔE 0.047
- Midnight Purple #280137 ΔE 0.052
Use #370D31 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.