#4C2A73
Closest named color: Dark Slate Blue (#483D8B). oklch(36.7% 0.122 302.2), rgb(76, 42, 115).
Aa
White text reads best on this color (11.13:1).
About this color
#4C2A73 is a dark, moderately saturated purple. In OKLCH its lightness is 37%, its chroma 0.122 and its hue 302°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.058 away. White text reads best on it, at 11.13:1.
| Hue family | Purples |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.122) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 1.88:1 |
| White text | 11.13:1 |
Values
| HEX | #4C2A73 |
| RGB | rgb(76, 42, 115) |
| HSL | hsl(268, 46%, 31%) |
| OKLCH | oklch(36.7% 0.122 302.2) |
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 #4C2A73 | 11.13:1 | AAA | Lc -99.2 | Preferred for body text |
| Black text on #4C2A73 | 1.88:1 | Fails | Lc 8.6 | Not readable |
| #4C2A73 text on white | 11.13:1 | AAA | Lc 95.3 | Preferred for body text |
| #4C2A73 text on black | 1.88:1 | Fails | Lc -7.3 | 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
#F7F4FC
oklch(97.2% 0.011 303.1)
-
Step 100
100
#EDE6F9
oklch(93.6% 0.026 302.6)
-
Step 200
200
#DFD2F6
oklch(88.5% 0.051 301.8)
-
Step 300
300
#CBB3F2
oklch(80.9% 0.091 301.8)
-
Step 400
400
#B288EB
oklch(70.6% 0.146 302.4)
-
Step 500
500
#A067E5
oklch(63.1% 0.186 302.2)
-
Step 600
600
#8C4AD3
oklch(55.7% 0.202 302.4)
-
Step 700
700
#773AB7
oklch(49.2% 0.188 302.3)
-
Step 800
800
#603194
oklch(42.7% 0.156 301.9)
-
Step 900
900 (this color)
#4C2A73
oklch(36.7% 0.122 302.2)
-
Step 950
950
#2E1B45
oklch(27% 0.077 302.4)
#4C2A73 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) | #013B75 | 0.096 |
| Deuteranopia (no green cones) | #153B71 | 0.087 |
| Tritanopia (no blue cones) | #44394A | 0.090 |
| Achromatopsia (no color) | #3B3B3B | 0.123 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4C2A73
#4C2A73
oklch(36.7% 0.122 302.2)
- #374600
#374600
oklch(36.8% 0.09 122.4)
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 #4C2A73, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.058
- Indigo #4B0082 ΔE 0.064
- Royal Purple #4B006E ΔE 0.065
- Grape Purple #5D1451 ΔE 0.076
- Blueberry #464196 ΔE 0.077
- Rebecca Purple #663399 ΔE 0.083
- Plum Purple #4E0550 ΔE 0.086
- Prussian Blue #1D3557 ΔE 0.096
Use #4C2A73 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.