#4F2C74
Closest named color: Dark Slate Blue (#483D8B). oklch(37.5% 0.12 303.5), rgb(79, 44, 116).
Aa
White text reads best on this color (10.79:1).
About this color
#4F2C74 is a dark, moderately saturated purple. In OKLCH its lightness is 37%, its chroma 0.120 and its hue 304°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.054 away. White text reads best on it, at 10.79:1.
| Hue family | Purples |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.120) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 1.94:1 |
| White text | 10.79:1 |
Values
| HEX | #4F2C74 |
| RGB | rgb(79, 44, 116) |
| HSL | hsl(269, 45%, 31%) |
| OKLCH | oklch(37.5% 0.12 303.5) |
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 #4F2C74 | 10.79:1 | AAA | Lc -98.6 | Preferred for body text |
| Black text on #4F2C74 | 1.94:1 | Fails | Lc 9.3 | Not readable |
| #4F2C74 text on white | 10.79:1 | AAA | Lc 94.6 | Preferred for body text |
| #4F2C74 text on black | 1.94:1 | 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
#F7F4FC
oklch(97.2% 0.011 303.1)
-
Step 100
100
#EDE6F9
oklch(93.6% 0.026 302.6)
-
Step 200
200
#E0D2F5
oklch(88.6% 0.05 303.5)
-
Step 300
300
#CDB3F1
oklch(81% 0.09 303.6)
-
Step 400
400
#B488EA
oklch(70.7% 0.145 303.6)
-
Step 500
500
#A267E3
oklch(63.2% 0.184 303.5)
-
Step 600
600
#8D4AD1
oklch(55.7% 0.2 303.3)
-
Step 700
700
#783AB5
oklch(49.2% 0.186 303.3)
-
Step 800
800
#623192
oklch(42.7% 0.154 303.7)
-
Step 900
900 (this color)
#4F2C74
oklch(37.5% 0.12 303.5)
-
Step 950
950
#2E1B44
oklch(26.9% 0.076 303.1)
#4F2C74 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) | #093D76 | 0.096 |
| Deuteranopia (no green cones) | #1A3D72 | 0.087 |
| Tritanopia (no blue cones) | #483B4B | 0.090 |
| Achromatopsia (no color) | #3D3D3D | 0.121 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4F2C74
#4F2C74
oklch(37.5% 0.12 303.5)
- #374800
#374800
oklch(37.3% 0.092 123.6)
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 #4F2C74, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.054
- Indigo #4B0082 ΔE 0.069
- Royal Purple #4B006E ΔE 0.071
- Blueberry #464196 ΔE 0.073
- Grape Purple #5D1451 ΔE 0.076
- Rebecca Purple #663399 ΔE 0.077
- Plum Purple #4E0550 ΔE 0.090
- Rich Purple #720058 ΔE 0.099
Use #4F2C74 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.