#4F2870
Closest named color: Royal Purple (#4B006E). oklch(36.6% 0.122 306.2), rgb(79, 40, 112).
Aa
White text reads best on this color (11.23:1).
About this color
#4F2870 is a dark, moderately saturated purple. In OKLCH its lightness is 37%, its chroma 0.122 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 0.062 away. White text reads best on it, at 11.23:1.
| Hue family | Purples |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.122) |
| Temperature | in between |
| Nearest name | Royal Purple (#4B006E) |
| Black text | 1.86:1 |
| White text | 11.23:1 |
Values
| HEX | #4F2870 |
| RGB | rgb(79, 40, 112) |
| HSL | hsl(273, 47%, 30%) |
| OKLCH | oklch(36.6% 0.122 306.2) |
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 #4F2870 | 11.23:1 | AAA | Lc -99.3 | Preferred for body text |
| Black text on #4F2870 | 1.86:1 | Fails | Lc 8.4 | Not readable |
| #4F2870 text on white | 11.23:1 | AAA | Lc 95.5 | Preferred for body text |
| #4F2870 text on black | 1.86:1 | 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
#F7F3FC
oklch(97% 0.013 306)
-
Step 100
100
#EEE6F8
oklch(93.6% 0.025 305.8)
-
Step 200
200
#E1D1F4
oklch(88.4% 0.05 306)
-
Step 300
300
#CFB2F0
oklch(81% 0.091 305.8)
-
Step 400
400
#B886E8
oklch(70.7% 0.147 306.5)
-
Step 500
500
#A664E1
oklch(63.1% 0.187 306.1)
-
Step 600
600
#9247CE
oklch(55.6% 0.202 306.4)
-
Step 700
700
#7C37B3
oklch(49.1% 0.189 306)
-
Step 800
800
#652F91
oklch(42.8% 0.157 306.1)
-
Step 900
900 (this color)
#4F2870
oklch(36.6% 0.122 306.2)
-
Step 950
950
#301A44
oklch(27% 0.078 306)
#4F2870 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) | #033A72 | 0.103 |
| Deuteranopia (no green cones) | #1A3B6E | 0.091 |
| Tritanopia (no blue cones) | #4A3648 | 0.086 |
| Achromatopsia (no color) | #3B3B3B | 0.123 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4F2870
#4F2870
oklch(36.6% 0.122 306.2)
- #324700
#324700
oklch(36.6% 0.094 126.4)
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 #4F2870, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Royal Purple #4B006E ΔE 0.062
- Indigo #4B0082 ΔE 0.064
- Dark Slate Blue #483D8B ΔE 0.065
- Grape Purple #5D1451 ΔE 0.068
- Plum Purple #4E0550 ΔE 0.079
- Blueberry #464196 ΔE 0.084
- Rebecca Purple #663399 ΔE 0.084
- Deep Violet #490648 ΔE 0.091
Use #4F2870 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.