#3C2A7A
Closest named color: Dark Slate Blue (#483D8B). oklch(35.5% 0.13 288.3), rgb(60, 42, 122).
Aa
White text reads best on this color (11.63:1).
About this color
#3C2A7A is a dark, moderately saturated purple. In OKLCH its lightness is 36%, its chroma 0.130 and its hue 288°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.059 away. White text reads best on it, at 11.63:1.
| Hue family | Purples |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.130) |
| Temperature | cool |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 1.80:1 |
| White text | 11.63:1 |
Values
| HEX | #3C2A7A |
| RGB | rgb(60, 42, 122) |
| HSL | hsl(253, 49%, 32%) |
| OKLCH | oklch(35.5% 0.13 288.3) |
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 #3C2A7A | 11.63:1 | AAA | Lc -100.1 | Preferred for body text |
| Black text on #3C2A7A | 1.80:1 | Fails | Lc 7.5 | Not readable |
| #3C2A7A text on white | 11.63:1 | AAA | Lc 96.3 | Preferred for body text |
| #3C2A7A text on black | 1.80:1 | 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
#F5F4FE
oklch(97.1% 0.013 290.8)
-
Step 100
100
#E8E7FC
oklch(93.5% 0.028 288)
-
Step 200
200
#D7D4FC
oklch(88.5% 0.055 288.7)
-
Step 300
300
#BDB7FC
oklch(80.9% 0.097 288)
-
Step 400
400
#9E8EFB
oklch(70.7% 0.156 288.5)
-
Step 500
500
#886DF8
oklch(63% 0.199 288.3)
-
Step 600
600
#7450E7
oklch(55.6% 0.216 288.2)
-
Step 700
700
#623FC9
oklch(49.1% 0.201 288.3)
-
Step 800
800
#5035A2
oklch(42.7% 0.167 288.7)
-
Step 900
900 (this color)
#3C2A7A
oklch(35.5% 0.13 288.3)
-
Step 950
950
#261D4B
oklch(26.9% 0.082 288.7)
#3C2A7A 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) | #003A7D | 0.070 |
| Deuteranopia (no green cones) | #003678 | 0.069 |
| Tritanopia (no blue cones) | #273D4E | 0.106 |
| Achromatopsia (no color) | #383838 | 0.130 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3C2A7A
#3C2A7A
oklch(35.5% 0.13 288.3)
- #403E00
#403E00
oklch(35.4% 0.076 107.7)
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 #3C2A7A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.059
- Indigo #4B0082 ΔE 0.063
- Royal Purple #4B006E ΔE 0.072
- Blueberry #464196 ΔE 0.075
- Marine Blue #01386A ΔE 0.078
- Midnight Blue #191970 ΔE 0.078
- Twilight Blue #0A437A ΔE 0.080
- Prussian Blue #1D3557 ΔE 0.084
Use #3C2A7A 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.