#4F2C87
Closest named color: Dark Slate Blue (#483D8B). oklch(39% 0.144 296.8), rgb(79, 44, 135).
Aa
White text reads best on this color (10.28:1).
About this color
#4F2C87 is a dark, vivid purple. In OKLCH its lightness is 39%, its chroma 0.144 and its hue 297°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.040 away. White text reads best on it, at 10.28:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | vivid (0.144) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.04:1 |
| White text | 10.28:1 |
Values
| HEX | #4F2C87 |
| RGB | rgb(79, 44, 135) |
| HSL | hsl(263, 51%, 35%) |
| OKLCH | oklch(39% 0.144 296.8) |
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 #4F2C87 | 10.28:1 | AAA | Lc -97.5 | Preferred for body text |
| Black text on #4F2C87 | 2.04:1 | Fails | Lc 10.6 | Not readable |
| #4F2C87 text on white | 10.28:1 | AAA | Lc 93.4 | Preferred for body text |
| #4F2C87 text on black | 2.04:1 | Fails | Lc -9.1 | 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
#F6F4FE
oklch(97.2% 0.013 295.3)
-
Step 100
100
#EBE6FD
oklch(93.6% 0.031 295.8)
-
Step 200
200
#DDD2FD
oklch(88.6% 0.06 296.9)
-
Step 300
300
#C7B2FE
oklch(80.8% 0.108 296.6)
-
Step 400
400
#AD85FE
oklch(70.6% 0.174 297)
-
Step 500
500
#9B60FC
oklch(63.1% 0.222 297)
-
Step 600
600
#873FEB
oklch(55.6% 0.24 296.8)
-
Step 700
700
#732ECD
oklch(49.2% 0.224 296.8)
-
Step 800
800
#5D29A5
oklch(42.7% 0.185 296.8)
-
Step 900
900 (this color)
#4F2C87
oklch(39% 0.144 296.8)
-
Step 950
950
#2C194D
oklch(27% 0.092 296.6)
#4F2C87 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) | #00418A | 0.097 |
| Deuteranopia (no green cones) | #003F85 | 0.097 |
| Tritanopia (no blue cones) | #414155 | 0.112 |
| Achromatopsia (no color) | #414141 | 0.145 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4F2C87
#4F2C87
oklch(39% 0.144 296.8)
- #424A00
#424A00
oklch(38.8% 0.089 116.6)
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 #4F2C87, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.040
- Blueberry #464196 ΔE 0.054
- Rebecca Purple #663399 ΔE 0.056
- Indigo #4B0082 ΔE 0.063
- Imperial Purple #480CA8 ΔE 0.070
- Chrysanthemum #560BAD ΔE 0.072
- Royal Purple #4B006E ΔE 0.080
- Indigo Blue #3A18B1 ΔE 0.087
Use #4F2C87 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.