#4C2B73
Closest named color: Dark Slate Blue (#483D8B). oklch(36.9% 0.12 301.9), rgb(76, 43, 115).
Aa
White text reads best on this color (11.05:1).
About this color
#4C2B73 is a dark, moderately saturated purple. In OKLCH its lightness is 37%, its chroma 0.120 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 0.057 away. White text reads best on it, at 11.05:1.
| Hue family | Purples |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.120) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 1.90:1 |
| White text | 11.05:1 |
Values
| HEX | #4C2B73 |
| RGB | rgb(76, 43, 115) |
| HSL | hsl(267, 46%, 31%) |
| OKLCH | oklch(36.9% 0.12 301.9) |
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 #4C2B73 | 11.05:1 | AAA | Lc -99.1 | Preferred for body text |
| Black text on #4C2B73 | 1.90:1 | Fails | Lc 8.7 | Not readable |
| #4C2B73 text on white | 11.05:1 | AAA | Lc 95.2 | Preferred for body text |
| #4C2B73 text on black | 1.90:1 | Fails | Lc -7.5 | 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
#DFD2F5
oklch(88.5% 0.049 302.3)
-
Step 300
300
#CBB3F2
oklch(80.9% 0.091 301.8)
-
Step 400
400
#B189EB
oklch(70.7% 0.144 301.6)
-
Step 500
500
#9F68E4
oklch(63.1% 0.183 301.9)
-
Step 600
600
#8B4BD2
oklch(55.6% 0.2 302.1)
-
Step 700
700
#763BB6
oklch(49.1% 0.186 301.9)
-
Step 800
800
#603293
oklch(42.7% 0.153 302.1)
-
Step 900
900 (this color)
#4C2B73
oklch(36.9% 0.12 301.9)
-
Step 950
950
#2E1B45
oklch(27% 0.077 302.4)
#4C2B73 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) | #043B75 | 0.094 |
| Deuteranopia (no green cones) | #163C71 | 0.086 |
| Tritanopia (no blue cones) | #443A4A | 0.091 |
| Achromatopsia (no color) | #3C3C3C | 0.121 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4C2B73
#4C2B73
oklch(36.9% 0.12 301.9)
- #384600
#384600
oklch(36.8% 0.089 121.7)
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 #4C2B73, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.057
- Indigo #4B0082 ΔE 0.066
- Royal Purple #4B006E ΔE 0.068
- Blueberry #464196 ΔE 0.076
- Grape Purple #5D1451 ΔE 0.077
- Rebecca Purple #663399 ΔE 0.082
- Plum Purple #4E0550 ΔE 0.087
- Prussian Blue #1D3557 ΔE 0.096
Use #4C2B73 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.