#370C42
Closest named color: Dark Purple (#35063E). oklch(25.8% 0.102 318.6), rgb(55, 12, 66).
Aa
White text reads best on this color (16.23:1).
About this color
#370C42 is a dark, moderately saturated purple. In OKLCH its lightness is 26%, its chroma 0.102 and its hue 319°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Purple (#35063E), ΔE 0.014 away. White text reads best on it, at 16.23:1.
| Hue family | Purples |
| Lightness | dark (26%) |
| Chroma | moderately saturated (0.102) |
| Temperature | in between |
| Nearest name | Dark Purple (#35063E) |
| Black text | 1.29:1 |
| White text | 16.23:1 |
Values
| HEX | #370C42 |
| RGB | rgb(55, 12, 66) |
| HSL | hsl(288, 69%, 15%) |
| OKLCH | oklch(25.8% 0.102 318.6) |
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 #370C42 | 16.23:1 | AAA | Lc -105.3 | Preferred for body text |
| Black text on #370C42 | 1.29:1 | Fails | Lc 0.0 | Not readable |
| #370C42 text on white | 16.23:1 | AAA | Lc 102.6 | Preferred for body text |
| #370C42 text on black | 1.29:1 | 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
#FAF2FD
oklch(97% 0.017 316.9)
-
Step 100
100
#F4E3F9
oklch(93.6% 0.034 318.5)
-
Step 200
200
#EDCCF6
oklch(88.6% 0.067 318.9)
-
Step 300
300
#E2A7F3
oklch(80.9% 0.122 318.5)
-
Step 400
400
#D273EC
oklch(70.7% 0.193 318.7)
-
Step 500
500
#C443E6
oklch(63.1% 0.247 318.3)
-
Step 600
600
#B002D4
oklch(55.6% 0.268 318.4)
-
Step 700
700
#9500B3
oklch(49.1% 0.237 318.7)
-
Step 800
800
#7B0094
oklch(42.7% 0.206 318.8)
-
Step 900
900
#631576
oklch(37.7% 0.16 318.6)
-
Step 950
950 (this color)
#370C42
oklch(25.8% 0.102 318.6)
#370C42 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) | #001E44 | 0.099 |
| Deuteranopia (no green cones) | #0F2241 | 0.088 |
| Tritanopia (no blue cones) | #371726 | 0.064 |
| Achromatopsia (no color) | #202020 | 0.103 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #370C42
#370C42
oklch(25.8% 0.102 318.6)
- #0B2C00
#0B2C00
oklch(25.8% 0.081 138.5)
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 #370C42, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Purple #35063E ΔE 0.014
- Deep Purple #36013F ΔE 0.020
- Eggplant #380835 ΔE 0.025
- Eggplant Purple #430541 ΔE 0.029
- Aubergine #3D0734 ΔE 0.031
- Deep Violet #490648 ΔE 0.042
- Dark Plum #3F012C ΔE 0.048
- Very Dark Purple #2A0134 ΔE 0.048
Use #370C42 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.