#370F3F
Closest named color: Dark Purple (#35063E). oklch(25.9% 0.094 320.5), rgb(55, 15, 63).
Aa
White text reads best on this color (16.12:1).
About this color
#370F3F is a dark, moderately saturated purple. In OKLCH its lightness is 26%, its chroma 0.094 and its hue 321°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Purple (#35063E), ΔE 0.018 away. White text reads best on it, at 16.12:1.
| Hue family | Purples |
| Lightness | dark (26%) |
| Chroma | moderately saturated (0.094) |
| Temperature | in between |
| Nearest name | Dark Purple (#35063E) |
| Black text | 1.30:1 |
| White text | 16.12:1 |
Values
| HEX | #370F3F |
| RGB | rgb(55, 15, 63) |
| HSL | hsl(290, 62%, 15%) |
| OKLCH | oklch(25.9% 0.094 320.5) |
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 #370F3F | 16.12:1 | AAA | Lc -105.3 | Preferred for body text |
| Black text on #370F3F | 1.30:1 | Fails | Lc 0.0 | Not readable |
| #370F3F text on white | 16.12:1 | AAA | Lc 102.6 | Preferred for body text |
| #370F3F text on black | 1.30:1 | 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
#FAF2FC
oklch(97% 0.016 319.4)
-
Step 100
100
#F4E3F7
oklch(93.5% 0.032 321.1)
-
Step 200
200
#ECCCF3
oklch(88.4% 0.063 320.2)
-
Step 300
300
#E1A9ED
oklch(80.9% 0.111 320.3)
-
Step 400
400
#D176E4
oklch(70.6% 0.18 320.5)
-
Step 500
500
#C34BDC
oklch(63.1% 0.228 320.3)
-
Step 600
600
#AF1FC9
oklch(55.6% 0.248 320.6)
-
Step 700
700
#9608AE
oklch(49.1% 0.231 320.4)
-
Step 800
800
#7A128D
oklch(42.8% 0.191 320.5)
-
Step 900
900
#621B70
oklch(37.6% 0.148 320.5)
-
Step 950
950 (this color)
#370F3F
oklch(25.9% 0.094 320.5)
#370F3F 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) | #021E40 | 0.095 |
| Deuteranopia (no green cones) | #14223E | 0.080 |
| Tritanopia (no blue cones) | #371725 | 0.057 |
| Achromatopsia (no color) | #212121 | 0.095 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #370F3F
#370F3F
oklch(25.9% 0.094 320.5)
- #062D00
#062D00
oklch(26% 0.084 140.4)
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 #370F3F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Purple #35063E ΔE 0.018
- Eggplant #380835 ΔE 0.022
- Deep Purple #36013F ΔE 0.026
- Aubergine #3D0734 ΔE 0.027
- Eggplant Purple #430541 ΔE 0.030
- Dark Plum #3F012C ΔE 0.044
- Deep Violet #490648 ΔE 0.044
- Very Dark Purple #2A0134 ΔE 0.050
Use #370F3F 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.