#3A2276
Closest named color: Indigo (#4B0082). oklch(33.7% 0.135 290.4), rgb(58, 34, 118).
Aa
White text reads best on this color (12.57:1).
About this color
#3A2276 is a dark, moderately saturated purple. In OKLCH its lightness is 34%, its chroma 0.135 and its hue 290°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Indigo (#4B0082), ΔE 0.054 away. White text reads best on it, at 12.57:1.
| Hue family | Purples |
| Lightness | dark (34%) |
| Chroma | moderately saturated (0.135) |
| Temperature | in between |
| Nearest name | Indigo (#4B0082) |
| Black text | 1.67:1 |
| White text | 12.57:1 |
Values
| HEX | #3A2276 |
| RGB | rgb(58, 34, 118) |
| HSL | hsl(257, 55%, 30%) |
| OKLCH | oklch(33.7% 0.135 290.4) |
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 #3A2276 | 12.57:1 | AAA | Lc -101.4 | Preferred for body text |
| Black text on #3A2276 | 1.67:1 | Fails | Lc 0.0 | Not readable |
| #3A2276 text on white | 12.57:1 | AAA | Lc 98.0 | Preferred for body text |
| #3A2276 text on black | 1.67:1 | 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
#E9E7FD
oklch(93.6% 0.03 290)
-
Step 200
200
#D8D3FD
oklch(88.4% 0.058 290.6)
-
Step 300
300
#C0B6FE
oklch(81% 0.101 290.3)
-
Step 400
400
#A18CFD
oklch(70.7% 0.161 290.2)
-
Step 500
500
#8D6AFB
oklch(63.2% 0.207 290.3)
-
Step 600
600
#794BEA
oklch(55.6% 0.225 290.4)
-
Step 700
700
#663ACC
oklch(49.1% 0.21 290.2)
-
Step 800
800
#5332A5
oklch(42.8% 0.174 290.2)
-
Step 900
900 (this color)
#3A2276
oklch(33.7% 0.135 290.4)
-
Step 950
950
#271C4C
oklch(26.9% 0.085 290)
#3A2276 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) | #003579 | 0.074 |
| Deuteranopia (no green cones) | #003174 | 0.072 |
| Tritanopia (no blue cones) | #263749 | 0.108 |
| Achromatopsia (no color) | #333333 | 0.136 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3A2276
#3A2276
oklch(33.7% 0.135 290.4)
- #3A3A00
#3A3A00
oklch(33.7% 0.074 109.8)
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 #3A2276, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Indigo #4B0082 ΔE 0.054
- Royal Purple #4B006E ΔE 0.059
- Midnight Blue #191970 ΔE 0.065
- Dark Slate Blue #483D8B ΔE 0.079
- Marine #042E60 ΔE 0.083
- Marine Blue #01386A ΔE 0.083
- Imperial Purple #480CA8 ΔE 0.087
- Prussian Blue #1D3557 ΔE 0.087
Use #3A2276 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.