#370F47
Closest named color: Dark Purple (#35063E). oklch(26.6% 0.103 314.5), rgb(55, 15, 71).
Aa
White text reads best on this color (15.88:1).
About this color
#370F47 is a dark, moderately saturated purple. In OKLCH its lightness is 27%, its chroma 0.103 and its hue 314°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Purple (#35063E), ΔE 0.023 away. White text reads best on it, at 15.88:1.
| Hue family | Purples |
| Lightness | dark (27%) |
| Chroma | moderately saturated (0.103) |
| Temperature | in between |
| Nearest name | Dark Purple (#35063E) |
| Black text | 1.32:1 |
| White text | 15.88:1 |
Values
| HEX | #370F47 |
| RGB | rgb(55, 15, 71) |
| HSL | hsl(283, 65%, 17%) |
| OKLCH | oklch(26.6% 0.103 314.5) |
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 #370F47 | 15.88:1 | AAA | Lc -105.0 | Preferred for body text |
| Black text on #370F47 | 1.32:1 | Fails | Lc 0.0 | Not readable |
| #370F47 text on white | 15.88:1 | AAA | Lc 102.3 | Preferred for body text |
| #370F47 text on black | 1.32:1 | 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
#F3E3FB
oklch(93.6% 0.036 314.6)
-
Step 200
200
#EACCF9
oklch(88.4% 0.069 314.5)
-
Step 300
300
#DEA8F7
oklch(80.8% 0.122 314.8)
-
Step 400
400
#CC75F3
oklch(70.7% 0.194 314.4)
-
Step 500
500
#BF45EF
oklch(63.2% 0.25 314.5)
-
Step 600
600
#AA09DD
oklch(55.6% 0.271 314.3)
-
Step 700
700
#9000BC
oklch(49% 0.242 314.4)
-
Step 800
800
#77039B
oklch(42.8% 0.209 314.7)
-
Step 900
900
#60167B
oklch(37.7% 0.163 314.7)
-
Step 950
950 (this color)
#370F47
oklch(26.6% 0.103 314.5)
#370F47 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) | #002049 | 0.095 |
| Deuteranopia (no green cones) | #0C2346 | 0.086 |
| Tritanopia (no blue cones) | #361B29 | 0.069 |
| Achromatopsia (no color) | #222222 | 0.104 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #370F47
#370F47
oklch(26.6% 0.103 314.5)
- #142D00
#142D00
oklch(26.6% 0.077 134.3)
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 #370F47, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Purple #35063E ΔE 0.023
- Deep Purple #36013F ΔE 0.029
- Eggplant Purple #430541 ΔE 0.032
- Eggplant #380835 ΔE 0.035
- Aubergine #3D0734 ΔE 0.040
- Deep Violet #490648 ΔE 0.042
- Plum Purple #4E0550 ΔE 0.054
- Very Dark Purple #2A0134 ΔE 0.056
Use #370F47 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.