#370A29
Closest named color: Dark Plum (#3F012C). oklch(23.9% 0.081 342.8), rgb(55, 10, 41).
Aa
White text reads best on this color (16.96:1).
About this color
#370A29 is a very dark, moderately saturated purple. In OKLCH its lightness is 24%, its chroma 0.081 and its hue 343°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Plum (#3F012C), ΔE 0.023 away. White text reads best on it, at 16.96:1.
| Hue family | Purples |
| Lightness | very dark (24%) |
| Chroma | moderately saturated (0.081) |
| Temperature | warm |
| Nearest name | Dark Plum (#3F012C) |
| Black text | 1.23:1 |
| White text | 16.96:1 |
Values
| HEX | #370A29 |
| RGB | rgb(55, 10, 41) |
| HSL | hsl(319, 69%, 13%) |
| OKLCH | oklch(23.9% 0.081 342.8) |
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 #370A29 | 16.96:1 | AAA | Lc -105.8 | Preferred for body text |
| Black text on #370A29 | 1.23:1 | Fails | Lc 0.0 | Not readable |
| #370A29 text on white | 16.96:1 | AAA | Lc 103.4 | Preferred for body text |
| #370A29 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
#FCF2F8
oklch(97.1% 0.013 340.5)
-
Step 100
100
#F8E3EF
oklch(93.6% 0.028 342.3)
-
Step 200
200
#F3CCE3
oklch(88.5% 0.053 342)
-
Step 300
300
#EDA8D1
oklch(80.9% 0.096 343.1)
-
Step 400
400
#E076BA
oklch(70.6% 0.154 342.6)
-
Step 500
500
#D54CA8
oklch(63.1% 0.197 343.1)
-
Step 600
600
#C02694
oklch(55.7% 0.214 342.8)
-
Step 700
700
#A5157E
oklch(49.1% 0.199 342.7)
-
Step 800
800
#861766
oklch(42.7% 0.164 343)
-
Step 900
900
#6C1C53
oklch(37.6% 0.128 342.9)
-
Step 950
950 (this color)
#370A29
oklch(23.9% 0.081 342.8)
#370A29 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) | #0E182A | 0.089 |
| Deuteranopia (no green cones) | #1C1F28 | 0.078 |
| Tritanopia (no blue cones) | #3B0A18 | 0.035 |
| Achromatopsia (no color) | #1C1C1C | 0.082 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #370A29
#370A29
oklch(23.9% 0.081 342.8)
- #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 #370A29, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Plum #3F012C ΔE 0.023
- Eggplant #380835 ΔE 0.024
- Aubergine #3D0734 ΔE 0.025
- Dark Purple #35063E ΔE 0.043
- Deep Purple #36013F ΔE 0.048
- Very Dark Purple #2A0134 ΔE 0.050
- Eggplant Purple #430541 ΔE 0.052
- Midnight Purple #280137 ΔE 0.057
Use #370A29 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.