#4F2573
Closest named color: Royal Purple (#4B006E). oklch(36.4% 0.13 305.6), rgb(79, 37, 115).
Aa
White text reads best on this color (11.38:1).
About this color
#4F2573 is a dark, moderately saturated purple. In OKLCH its lightness is 36%, its chroma 0.130 and its hue 306°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Royal Purple (#4B006E), ΔE 0.055 away. White text reads best on it, at 11.38:1.
| Hue family | Purples |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.130) |
| Temperature | in between |
| Nearest name | Royal Purple (#4B006E) |
| Black text | 1.84:1 |
| White text | 11.38:1 |
Values
| HEX | #4F2573 |
| RGB | rgb(79, 37, 115) |
| HSL | hsl(272, 51%, 30%) |
| OKLCH | oklch(36.4% 0.13 305.6) |
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 #4F2573 | 11.38:1 | AAA | Lc -99.5 | Preferred for body text |
| Black text on #4F2573 | 1.84:1 | Fails | Lc 8.2 | Not readable |
| #4F2573 text on white | 11.38:1 | AAA | Lc 95.7 | Preferred for body text |
| #4F2573 text on black | 1.84:1 | 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
#F7F3FD
oklch(97% 0.014 304.1)
-
Step 100
100
#EEE5F9
oklch(93.5% 0.028 306)
-
Step 200
200
#E2D1F6
oklch(88.6% 0.053 306.1)
-
Step 300
300
#D0B1F3
oklch(81% 0.097 305.8)
-
Step 400
400
#B884ED
oklch(70.6% 0.157 305.6)
-
Step 500
500
#A761E7
oklch(63.1% 0.199 305.5)
-
Step 600
600
#9342D5
oklch(55.6% 0.216 305.7)
-
Step 700
700
#7D32B9
oklch(49.1% 0.201 305.4)
-
Step 800
800
#662B95
oklch(42.7% 0.167 305.9)
-
Step 900
900 (this color)
#4F2573
oklch(36.4% 0.13 305.6)
-
Step 950
950
#301946
oklch(27% 0.083 305.1)
#4F2573 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) | #003975 | 0.106 |
| Deuteranopia (no green cones) | #113A71 | 0.100 |
| Tritanopia (no blue cones) | #493648 | 0.095 |
| Achromatopsia (no color) | #3A3A3A | 0.131 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4F2573
#4F2573
oklch(36.4% 0.13 305.6)
- #324600
#324600
oklch(36.4% 0.092 125.9)
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 #4F2573, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Royal Purple #4B006E ΔE 0.055
- Indigo #4B0082 ΔE 0.056
- Dark Slate Blue #483D8B ΔE 0.067
- Grape Purple #5D1451 ΔE 0.070
- Plum Purple #4E0550 ΔE 0.078
- Rebecca Purple #663399 ΔE 0.083
- Blueberry #464196 ΔE 0.085
- Deep Violet #490648 ΔE 0.091
Use #4F2573 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.