#4A2785
Closest named color: Indigo (#4B0082). oklch(37.5% 0.148 295.4), rgb(74, 39, 133).
Aa
White text reads best on this color (10.93:1).
About this color
#4A2785 is a dark, vivid purple. In OKLCH its lightness is 37%, its chroma 0.148 and its hue 295°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Indigo (#4B0082), ΔE 0.051 away. White text reads best on it, at 10.93:1.
| Hue family | Purples |
| Lightness | dark (37%) |
| Chroma | vivid (0.148) |
| Temperature | in between |
| Nearest name | Indigo (#4B0082) |
| Black text | 1.92:1 |
| White text | 10.93:1 |
Values
| HEX | #4A2785 |
| RGB | rgb(74, 39, 133) |
| HSL | hsl(262, 55%, 34%) |
| OKLCH | oklch(37.5% 0.148 295.4) |
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 #4A2785 | 10.93:1 | AAA | Lc -98.7 | Preferred for body text |
| Black text on #4A2785 | 1.92:1 | Fails | Lc 9.2 | Not readable |
| #4A2785 text on white | 10.93:1 | AAA | Lc 94.7 | Preferred for body text |
| #4A2785 text on black | 1.92:1 | Fails | Lc -7.9 | 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
#F6F4FF
oklch(97.2% 0.015 294.5)
-
Step 100
100
#EBE6FE
oklch(93.6% 0.033 295.3)
-
Step 200
200
#DCD2FE
oklch(88.6% 0.061 295.5)
-
Step 300
300
#C6B3FF
oklch(81% 0.107 295.4)
-
Step 400
400
#AA86FF
oklch(70.6% 0.173 295.3)
-
Step 500
500
#9861FF
oklch(63.2% 0.224 295.3)
-
Step 600
600
#853DF0
oklch(55.6% 0.247 295.4)
-
Step 700
700
#712CD1
oklch(49.1% 0.23 295.4)
-
Step 800
800
#5C28A9
oklch(42.8% 0.19 295.5)
-
Step 900
900 (this color)
#4A2785
oklch(37.5% 0.148 295.4)
-
Step 950
950
#2B194E
oklch(27% 0.093 295.1)
#4A2785 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) | #003D88 | 0.093 |
| Deuteranopia (no green cones) | #003B83 | 0.093 |
| Tritanopia (no blue cones) | #3A3E53 | 0.115 |
| Achromatopsia (no color) | #3D3D3D | 0.149 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4A2785
#4A2785
oklch(37.5% 0.148 295.4)
- #404600
#404600
oklch(37.6% 0.085 115.2)
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 #4A2785, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Indigo #4B0082 ΔE 0.051
- Dark Slate Blue #483D8B ΔE 0.051
- Blueberry #464196 ΔE 0.065
- Imperial Purple #480CA8 ΔE 0.065
- Royal Purple #4B006E ΔE 0.069
- Rebecca Purple #663399 ΔE 0.070
- Chrysanthemum #560BAD ΔE 0.072
- Indigo Blue #3A18B1 ΔE 0.083
Use #4A2785 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.