#4B2F70
Closest named color: Dark Slate Blue (#483D8B). oklch(37.2% 0.109 301.1), rgb(75, 47, 112).
Aa
White text reads best on this color (10.82:1).
About this color
#4B2F70 is a dark, moderately saturated purple. In OKLCH its lightness is 37%, its chroma 0.109 and its hue 301°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.054 away. White text reads best on it, at 10.82:1.
| Hue family | Purples |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.109) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 1.93:1 |
| White text | 10.82:1 |
Values
| HEX | #4B2F70 |
| RGB | rgb(75, 47, 112) |
| HSL | hsl(266, 41%, 31%) |
| OKLCH | oklch(37.2% 0.109 301.1) |
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 #4B2F70 | 10.82:1 | AAA | Lc -98.7 | Preferred for body text |
| Black text on #4B2F70 | 1.93:1 | Fails | Lc 9.1 | Not readable |
| #4B2F70 text on white | 10.82:1 | AAA | Lc 94.8 | Preferred for body text |
| #4B2F70 text on black | 1.93:1 | Fails | Lc -7.8 | 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
#F6F4FC
oklch(97.1% 0.011 297.6)
-
Step 100
100
#ECE7F8
oklch(93.7% 0.023 299.4)
-
Step 200
200
#DED3F3
oklch(88.6% 0.045 301.1)
-
Step 300
300
#C9B5EE
oklch(80.9% 0.082 300.6)
-
Step 400
400
#AF8CE5
oklch(70.7% 0.131 301.2)
-
Step 500
500
#9C6DDD
oklch(63.2% 0.167 301.1)
-
Step 600
600
#8751CB
oklch(55.6% 0.183 301)
-
Step 700
700
#7341AF
oklch(49.1% 0.169 301.3)
-
Step 800
800
#5D368E
oklch(42.6% 0.141 301)
-
Step 900
900 (this color)
#4B2F70
oklch(37.2% 0.109 301.1)
-
Step 950
950
#2D1D42
oklch(27.1% 0.068 302)
#4B2F70 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) | #153D72 | 0.080 |
| Deuteranopia (no green cones) | #1F3D6E | 0.073 |
| Tritanopia (no blue cones) | #443C4A | 0.084 |
| Achromatopsia (no color) | #3D3D3D | 0.110 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B2F70
#4B2F70
oklch(37.2% 0.109 301.1)
- #3A4700
#3A4700
oklch(37.3% 0.089 120.8)
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 #4B2F70, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.054
- Blueberry #464196 ΔE 0.074
- Royal Purple #4B006E ΔE 0.077
- Indigo #4B0082 ΔE 0.078
- Grape Purple #5D1451 ΔE 0.078
- Rebecca Purple #663399 ΔE 0.085
- Prussian Blue #1D3557 ΔE 0.089
- Twilight Blue #0A437A ΔE 0.090
Use #4B2F70 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.