#370A28
Closest named color: Dark Plum (#3F012C). oklch(23.8% 0.08 344), rgb(55, 10, 40).
Aa
White text reads best on this color (16.98:1).
About this color
#370A28 is a very dark, moderately saturated purple. In OKLCH its lightness is 24%, its chroma 0.080 and its hue 344°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Plum (#3F012C), ΔE 0.024 away. White text reads best on it, at 16.98:1.
| Hue family | Purples |
| Lightness | very dark (24%) |
| Chroma | moderately saturated (0.080) |
| Temperature | warm |
| Nearest name | Dark Plum (#3F012C) |
| Black text | 1.23:1 |
| White text | 16.98:1 |
Values
| HEX | #370A28 |
| RGB | rgb(55, 10, 40) |
| HSL | hsl(320, 69%, 13%) |
| OKLCH | oklch(23.8% 0.08 344) |
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 #370A28 | 16.98:1 | AAA | Lc -105.9 | Preferred for body text |
| Black text on #370A28 | 1.23:1 | Fails | Lc 0.0 | Not readable |
| #370A28 text on white | 16.98:1 | AAA | Lc 103.4 | Preferred for body text |
| #370A28 text on black | 1.23:1 | 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
#FCF2F7
oklch(97% 0.013 345.5)
-
Step 100
100
#F8E3EE
oklch(93.6% 0.027 344.6)
-
Step 200
200
#F4CCE2
oklch(88.6% 0.053 344)
-
Step 300
300
#EDA8D0
oklch(80.9% 0.095 343.8)
-
Step 400
400
#E176B8
oklch(70.7% 0.153 343.9)
-
Step 500
500
#D54DA6
oklch(63.1% 0.194 343.9)
-
Step 600
600
#C02791
oklch(55.6% 0.211 343.9)
-
Step 700
700
#A5167B
oklch(49% 0.196 344)
-
Step 800
800
#861864
oklch(42.7% 0.162 344.1)
-
Step 900
900
#6C1D52
oklch(37.7% 0.126 343.7)
-
Step 950
950 (this color)
#370A28
oklch(23.8% 0.08 344)
#370A28 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) | #0F1829 | 0.088 |
| Deuteranopia (no green cones) | #1C1F27 | 0.078 |
| Tritanopia (no blue cones) | #3B0A17 | 0.035 |
| Achromatopsia (no color) | #1C1C1C | 0.081 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #370A28
#370A28
oklch(23.8% 0.08 344)
- #002618
#002618
oklch(23.8% 0.051 163.8)
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 #370A28, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Plum #3F012C ΔE 0.024
- Eggplant #380835 ΔE 0.026
- Aubergine #3D0734 ΔE 0.027
- Dark Purple #35063E ΔE 0.045
- Deep Purple #36013F ΔE 0.050
- Very Dark Purple #2A0134 ΔE 0.052
- Eggplant Purple #430541 ΔE 0.054
- Dark Maroon #3C0008 ΔE 0.056
Use #370A28 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.