#4F2575
Closest named color: Indigo (#4B0082). oklch(36.5% 0.132 304.8), rgb(79, 37, 117).
Aa
White text reads best on this color (11.32:1).
About this color
#4F2575 is a dark, moderately saturated purple. In OKLCH its lightness is 37%, its chroma 0.132 and its hue 305°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Indigo (#4B0082), ΔE 0.054 away. White text reads best on it, at 11.32:1.
| Hue family | Purples |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.132) |
| Temperature | in between |
| Nearest name | Indigo (#4B0082) |
| Black text | 1.85:1 |
| White text | 11.32:1 |
Values
| HEX | #4F2575 |
| RGB | rgb(79, 37, 117) |
| HSL | hsl(272, 52%, 30%) |
| OKLCH | oklch(36.5% 0.132 304.8) |
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 #4F2575 | 11.32:1 | AAA | Lc -99.4 | Preferred for body text |
| Black text on #4F2575 | 1.85:1 | Fails | Lc 8.3 | Not readable |
| #4F2575 text on white | 11.32:1 | AAA | Lc 95.6 | Preferred for body text |
| #4F2575 text on black | 1.85:1 | 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
#EEE5FA
oklch(93.5% 0.03 305.1)
-
Step 200
200
#E1D1F7
oklch(88.6% 0.054 304.4)
-
Step 300
300
#CFB1F5
oklch(81% 0.099 304.4)
-
Step 400
400
#B884EF
oklch(70.7% 0.159 305.1)
-
Step 500
500
#A660EA
oklch(63% 0.203 304.6)
-
Step 600
600
#9241D8
oklch(55.6% 0.22 304.7)
-
Step 700
700
#7D31BB
oklch(49.2% 0.205 305)
-
Step 800
800
#652A98
oklch(42.7% 0.171 304.6)
-
Step 900
900 (this color)
#4F2575
oklch(36.5% 0.132 304.8)
-
Step 950
950
#301947
oklch(27% 0.084 304.4)
#4F2575 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) | #003977 | 0.106 |
| Deuteranopia (no green cones) | #0D3A73 | 0.101 |
| Tritanopia (no blue cones) | #483649 | 0.096 |
| Achromatopsia (no color) | #3A3A3A | 0.134 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4F2575
#4F2575
oklch(36.5% 0.132 304.8)
- #344600
#344600
oklch(36.5% 0.091 124.5)
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 #4F2575, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Indigo #4B0082 ΔE 0.054
- Royal Purple #4B006E ΔE 0.056
- Dark Slate Blue #483D8B ΔE 0.065
- Grape Purple #5D1451 ΔE 0.073
- Rebecca Purple #663399 ΔE 0.080
- Plum Purple #4E0550 ΔE 0.081
- Blueberry #464196 ΔE 0.083
- Imperial Purple #480CA8 ΔE 0.092
Use #4F2575 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.