#4F2582
Closest named color: Indigo (#4B0082). oklch(37.6% 0.148 299.9), rgb(79, 37, 130).
Aa
White text reads best on this color (10.94:1).
About this color
#4F2582 is a dark, vivid purple. In OKLCH its lightness is 38%, its chroma 0.148 and its hue 300°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Indigo (#4B0082), ΔE 0.048 away. White text reads best on it, at 10.94:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | vivid (0.148) |
| Temperature | in between |
| Nearest name | Indigo (#4B0082) |
| Black text | 1.91:1 |
| White text | 10.94:1 |
Values
| HEX | #4F2582 |
| RGB | rgb(79, 37, 130) |
| HSL | hsl(267, 56%, 33%) |
| OKLCH | oklch(37.6% 0.148 299.9) |
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 #4F2582 | 10.94:1 | AAA | Lc -98.6 | Preferred for body text |
| Black text on #4F2582 | 1.91:1 | Fails | Lc 9.2 | Not readable |
| #4F2582 text on white | 10.94:1 | AAA | Lc 94.7 | Preferred for body text |
| #4F2582 text on black | 1.91:1 | 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
#F7F3FE
oklch(97% 0.015 302.6)
-
Step 100
100
#EDE6FD
oklch(93.7% 0.032 299.7)
-
Step 200
200
#DFD1FD
oklch(88.6% 0.062 299.7)
-
Step 300
300
#CBB0FE
oklch(80.8% 0.111 299.8)
-
Step 400
400
#B383FD
oklch(70.8% 0.177 300.1)
-
Step 500
500
#A15CFB
oklch(63.1% 0.227 299.8)
-
Step 600
600
#8D38EA
oklch(55.5% 0.247 299.8)
-
Step 700
700
#7828CC
oklch(49.1% 0.229 299.6)
-
Step 800
800
#6224A5
oklch(42.7% 0.191 299.9)
-
Step 900
900 (this color)
#4F2582
oklch(37.6% 0.148 299.9)
-
Step 950
950
#2E184C
oklch(27% 0.092 299.7)
#4F2582 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) | #003C85 | 0.103 |
| Deuteranopia (no green cones) | #003C80 | 0.104 |
| Tritanopia (no blue cones) | #433B50 | 0.111 |
| Achromatopsia (no color) | #3D3D3D | 0.149 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4F2582
#4F2582
oklch(37.6% 0.148 299.9)
- #3C4700
#3C4700
oklch(37.5% 0.088 119.2)
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 #4F2582, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Indigo #4B0082 ΔE 0.048
- Dark Slate Blue #483D8B ΔE 0.056
- Royal Purple #4B006E ΔE 0.064
- Rebecca Purple #663399 ΔE 0.067
- Blueberry #464196 ΔE 0.070
- Imperial Purple #480CA8 ΔE 0.071
- Chrysanthemum #560BAD ΔE 0.075
- Indigo Blue #3A18B1 ΔE 0.092
Use #4F2582 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.