#3C3075
Closest named color: Dark Slate Blue (#483D8B). oklch(36.2% 0.114 287.3), rgb(60, 48, 117).
Aa
White text reads best on this color (11.21:1).
About this color
#3C3075 is a dark, moderately saturated purple. In OKLCH its lightness is 36%, its chroma 0.114 and its hue 287°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.054 away. White text reads best on it, at 11.21:1.
| Hue family | Purples |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.114) |
| Temperature | cool |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 1.87:1 |
| White text | 11.21:1 |
Values
| HEX | #3C3075 |
| RGB | rgb(60, 48, 117) |
| HSL | hsl(250, 42%, 32%) |
| OKLCH | oklch(36.2% 0.114 287.3) |
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 #3C3075 | 11.21:1 | AAA | Lc -99.5 | Preferred for body text |
| Black text on #3C3075 | 1.87:1 | Fails | Lc 8.3 | Not readable |
| #3C3075 text on white | 11.21:1 | AAA | Lc 95.6 | Preferred for body text |
| #3C3075 text on black | 1.87:1 | 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 900.
-
Step 50
50
#F5F4FD
oklch(97% 0.012 291.3)
-
Step 100
100
#E8E8FA
oklch(93.6% 0.024 285.9)
-
Step 200
200
#D6D5F8
oklch(88.5% 0.048 286.7)
-
Step 300
300
#BDB9F5
oklch(81% 0.084 287.4)
-
Step 400
400
#9C92F1
oklch(70.8% 0.137 287.2)
-
Step 500
500
#8673EB
oklch(63% 0.174 287.6)
-
Step 600
600
#7158DA
oklch(55.6% 0.19 287.4)
-
Step 700
700
#5F47BD
oklch(49% 0.177 287.4)
-
Step 800
800
#4D3C99
oklch(42.8% 0.145 286.9)
-
Step 900
900 (this color)
#3C3075
oklch(36.2% 0.114 287.3)
-
Step 950
950
#251F47
oklch(26.9% 0.072 287.4)
#3C3075 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) | #053D77 | 0.064 |
| Deuteranopia (no green cones) | #053974 | 0.063 |
| Tritanopia (no blue cones) | #2A3F4D | 0.094 |
| Achromatopsia (no color) | #3B3B3B | 0.114 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3C3075
#3C3075
oklch(36.2% 0.114 287.3)
- #424000
#424000
oklch(36.2% 0.078 107.7)
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 #3C3075, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.054
- Twilight Blue #0A437A ΔE 0.069
- Marine Blue #01386A ΔE 0.069
- Blueberry #464196 ΔE 0.071
- Prussian Blue #1D3557 ΔE 0.073
- Cobalt #1E488F ΔE 0.078
- Indigo #4B0082 ΔE 0.078
- Marine #042E60 ΔE 0.081
Use #3C3075 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.