#370855
Closest named color: Dark Purple (#35063E). oklch(27.1% 0.126 306.9), rgb(55, 8, 85).
Aa
White text reads best on this color (15.80:1).
About this color
#370855 is a dark, moderately saturated purple. In OKLCH its lightness is 27%, its chroma 0.126 and its hue 307°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Purple (#35063E), ΔE 0.043 away. White text reads best on it, at 15.80:1.
| Hue family | Purples |
| Lightness | dark (27%) |
| Chroma | moderately saturated (0.126) |
| Temperature | in between |
| Nearest name | Dark Purple (#35063E) |
| Black text | 1.32:1 |
| White text | 15.80:1 |
Values
| HEX | #370855 |
| RGB | rgb(55, 8, 85) |
| HSL | hsl(277, 83%, 18%) |
| OKLCH | oklch(27.1% 0.126 306.9) |
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 #370855 | 15.80:1 | AAA | Lc -104.7 | Preferred for body text |
| Black text on #370855 | 1.32:1 | Fails | Lc 0.0 | Not readable |
| #370855 text on white | 15.80:1 | AAA | Lc 101.9 | Preferred for body text |
| #370855 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
#F8F3FF
oklch(97.1% 0.017 304.8)
-
Step 100
100
#F1E4FF
oklch(93.7% 0.039 307.2)
-
Step 200
200
#E5CDFF
oklch(88.4% 0.072 306.7)
-
Step 300
300
#D5ABFF
oklch(80.8% 0.123 306.7)
-
Step 400
400
#C179FF
oklch(70.8% 0.197 306.9)
-
Step 500
500
#B349FF
oklch(63.2% 0.257 307)
-
Step 600
600
#A000F1
oklch(55.6% 0.286 306.9)
-
Step 700
700
#8700CC
oklch(49.1% 0.252 307)
-
Step 800
800
#6F00A9
oklch(42.7% 0.219 307)
-
Step 900
900
#5D008F
oklch(37.7% 0.194 306.8)
-
Step 950
950 (this color)
#370855
oklch(27.1% 0.126 306.9)
#370855 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) | #002157 | 0.095 |
| Deuteranopia (no green cones) | #002354 | 0.097 |
| Tritanopia (no blue cones) | #321E30 | 0.088 |
| Achromatopsia (no color) | #232323 | 0.127 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #370855
#370855
oklch(27.1% 0.126 306.9)
- #1D2C00
#1D2C00
oklch(26.9% 0.069 127)
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 #370855, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Purple #35063E ΔE 0.043
- Deep Purple #36013F ΔE 0.043
- Eggplant Purple #430541 ΔE 0.049
- Deep Violet #490648 ΔE 0.051
- Dark Indigo #1F0954 ΔE 0.055
- Plum Purple #4E0550 ΔE 0.056
- Eggplant #380835 ΔE 0.060
- Royal Purple #4B006E ΔE 0.061
Use #370855 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.