#370A3B
Closest named color: Dark Purple (#35063E). oklch(25.1% 0.097 324.4), rgb(55, 10, 59).
Aa
White text reads best on this color (16.54:1).
About this color
#370A3B is a dark, moderately saturated purple. In OKLCH its lightness is 25%, its chroma 0.097 and its hue 324°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Purple (#35063E), ΔE 0.012 away. White text reads best on it, at 16.54:1.
| Hue family | Purples |
| Lightness | dark (25%) |
| Chroma | moderately saturated (0.097) |
| Temperature | in between |
| Nearest name | Dark Purple (#35063E) |
| Black text | 1.26:1 |
| White text | 16.54:1 |
Values
| HEX | #370A3B |
| RGB | rgb(55, 10, 59) |
| HSL | hsl(295, 71%, 14%) |
| OKLCH | oklch(25.1% 0.097 324.4) |
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 #370A3B | 16.54:1 | AAA | Lc -105.5 | Preferred for body text |
| Black text on #370A3B | 1.26:1 | Fails | Lc 0.0 | Not readable |
| #370A3B text on white | 16.54:1 | AAA | Lc 102.9 | Preferred for body text |
| #370A3B 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
#FBF2FB
oklch(97.1% 0.015 325.7)
-
Step 100
100
#F6E3F7
oklch(93.7% 0.033 324.3)
-
Step 200
200
#EFCBF1
oklch(88.4% 0.064 324.5)
-
Step 300
300
#E6A7EA
oklch(80.9% 0.114 324.6)
-
Step 400
400
#D772E0
oklch(70.6% 0.185 324.2)
-
Step 500
500
#CB44D7
oklch(63.2% 0.236 324.4)
-
Step 600
600
#B60BC4
oklch(55.6% 0.257 324.3)
-
Step 700
700
#9B00A7
oklch(49.2% 0.231 324.4)
-
Step 800
800
#7F0489
oklch(42.7% 0.198 324.4)
-
Step 900
900
#66166E
oklch(37.7% 0.154 323.9)
-
Step 950
950 (this color)
#370A3B
oklch(25.1% 0.097 324.4)
#370A3B 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) | #001B3C | 0.103 |
| Deuteranopia (no green cones) | #13203A | 0.086 |
| Tritanopia (no blue cones) | #381321 | 0.058 |
| Achromatopsia (no color) | #1F1F1F | 0.098 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #370A3B
#370A3B
oklch(25.1% 0.097 324.4)
- #002B04
#002B04
oklch(25.1% 0.08 144.4)
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 #370A3B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Purple #35063E ΔE 0.012
- Eggplant #380835 ΔE 0.012
- Deep Purple #36013F ΔE 0.019
- Aubergine #3D0734 ΔE 0.020
- Eggplant Purple #430541 ΔE 0.030
- Dark Plum #3F012C ΔE 0.036
- Very Dark Purple #2A0134 ΔE 0.042
- Midnight Purple #280137 ΔE 0.045
Use #370A3B 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.