#4F2B70
Closest named color: Dark Slate Blue (#483D8B). oklch(37.1% 0.117 305.5), rgb(79, 43, 112).
Aa
White text reads best on this color (10.98:1).
About this color
#4F2B70 is a dark, moderately saturated purple. In OKLCH its lightness is 37%, its chroma 0.117 and its hue 305°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.060 away. White text reads best on it, at 10.98:1.
| Hue family | Purples |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.117) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 1.91:1 |
| White text | 10.98:1 |
Values
| HEX | #4F2B70 |
| RGB | rgb(79, 43, 112) |
| HSL | hsl(271, 45%, 30%) |
| OKLCH | oklch(37.1% 0.117 305.5) |
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 #4F2B70 | 10.98:1 | AAA | Lc -98.9 | Preferred for body text |
| Black text on #4F2B70 | 1.91:1 | Fails | Lc 8.9 | Not readable |
| #4F2B70 text on white | 10.98:1 | AAA | Lc 95.1 | Preferred for body text |
| #4F2B70 text on black | 1.91:1 | Fails | Lc -7.6 | 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
#F7F4FC
oklch(97.2% 0.011 303.1)
-
Step 100
100
#EEE6F8
oklch(93.6% 0.025 305.8)
-
Step 200
200
#E1D2F3
oklch(88.6% 0.047 305.9)
-
Step 300
300
#CEB3EE
oklch(81% 0.086 305.4)
-
Step 400
400
#B688E6
oklch(70.7% 0.141 305.6)
-
Step 500
500
#A467DE
oklch(63.1% 0.179 305.5)
-
Step 600
600
#8F4ACC
oklch(55.5% 0.195 305.3)
-
Step 700
700
#7A3AB0
oklch(49% 0.181 305.6)
-
Step 800
800
#63318F
oklch(42.6% 0.151 305.3)
-
Step 900
900 (this color)
#4F2B70
oklch(37.1% 0.117 305.5)
-
Step 950
950
#2F1B43
oklch(27% 0.074 305)
#4F2B70 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) | #0D3B72 | 0.095 |
| Deuteranopia (no green cones) | #1D3C6E | 0.086 |
| Tritanopia (no blue cones) | #493949 | 0.086 |
| Achromatopsia (no color) | #3C3C3C | 0.118 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4F2B70
#4F2B70
oklch(37.1% 0.117 305.5)
- #344800
#344800
oklch(37.1% 0.094 125.6)
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 #4F2B70, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.060
- Royal Purple #4B006E ΔE 0.069
- Grape Purple #5D1451 ΔE 0.070
- Indigo #4B0082 ΔE 0.071
- Blueberry #464196 ΔE 0.080
- Rebecca Purple #663399 ΔE 0.082
- Plum Purple #4E0550 ΔE 0.084
- Rich Purple #720058 ΔE 0.095
Use #4F2B70 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.