#370F4E
Closest named color: Dark Purple (#35063E). oklch(27.1% 0.111 309.9), rgb(55, 15, 78).
Aa
White text reads best on this color (15.66:1).
About this color
#370F4E is a dark, moderately saturated purple. In OKLCH its lightness is 27%, its chroma 0.111 and its hue 310°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Purple (#35063E), ΔE 0.034 away. White text reads best on it, at 15.66:1.
| Hue family | Purples |
| Lightness | dark (27%) |
| Chroma | moderately saturated (0.111) |
| Temperature | in between |
| Nearest name | Dark Purple (#35063E) |
| Black text | 1.34:1 |
| White text | 15.66:1 |
Values
| HEX | #370F4E |
| RGB | rgb(55, 15, 78) |
| HSL | hsl(278, 68%, 18%) |
| OKLCH | oklch(27.1% 0.111 309.9) |
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 #370F4E | 15.66:1 | AAA | Lc -104.8 | Preferred for body text |
| Black text on #370F4E | 1.34:1 | Fails | Lc 0.0 | Not readable |
| #370F4E text on white | 15.66:1 | AAA | Lc 102.1 | Preferred for body text |
| #370F4E text on black | 1.34:1 | 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
#F9F2FF
oklch(97% 0.019 309.8)
-
Step 100
100
#F2E3FD
oklch(93.5% 0.038 311.1)
-
Step 200
200
#E8CCFE
oklch(88.4% 0.074 310.1)
-
Step 300
300
#DAA9FF
oklch(81% 0.128 309.8)
-
Step 400
400
#C774FF
oklch(70.7% 0.207 309.7)
-
Step 500
500
#BA3FFF
oklch(63.1% 0.269 309.8)
-
Step 600
600
#A400EA
oklch(55.6% 0.282 309.6)
-
Step 700
700
#8B00C6
oklch(49.1% 0.249 309.9)
-
Step 800
800
#7200A4
oklch(42.7% 0.216 309.7)
-
Step 900
900
#5D1185
oklch(37.7% 0.176 309.5)
-
Step 950
950 (this color)
#370F4E
oklch(27.1% 0.111 309.9)
#370F4E 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) | #002250 | 0.093 |
| Deuteranopia (no green cones) | #03244D | 0.092 |
| Tritanopia (no blue cones) | #341E2D | 0.077 |
| Achromatopsia (no color) | #232323 | 0.112 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #370F4E
#370F4E
oklch(27.1% 0.111 309.9)
- #1A2D00
#1A2D00
oklch(27% 0.073 130.1)
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 #370F4E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Purple #35063E ΔE 0.034
- Deep Purple #36013F ΔE 0.037
- Eggplant Purple #430541 ΔE 0.039
- Deep Violet #490648 ΔE 0.044
- Eggplant #380835 ΔE 0.048
- Aubergine #3D0734 ΔE 0.052
- Plum Purple #4E0550 ΔE 0.053
- Dark Indigo #1F0954 ΔE 0.059
Use #370F4E 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.