#4B2B79
Closest named color: Dark Slate Blue (#483D8B). oklch(37.2% 0.128 299), rgb(75, 43, 121).
Aa
White text reads best on this color (10.93:1).
About this color
#4B2B79 is a dark, moderately saturated purple. In OKLCH its lightness is 37%, its chroma 0.128 and its hue 299°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.051 away. White text reads best on it, at 10.93:1.
| Hue family | Purples |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.128) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 1.92:1 |
| White text | 10.93:1 |
Values
| HEX | #4B2B79 |
| RGB | rgb(75, 43, 121) |
| HSL | hsl(265, 48%, 32%) |
| OKLCH | oklch(37.2% 0.128 299) |
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 #4B2B79 | 10.93:1 | AAA | Lc -98.8 | Preferred for body text |
| Black text on #4B2B79 | 1.92:1 | Fails | Lc 9.0 | Not readable |
| #4B2B79 text on white | 10.93:1 | AAA | Lc 94.9 | Preferred for body text |
| #4B2B79 text on black | 1.92:1 | Fails | Lc -7.7 | 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
#F6F4FD
oklch(97.1% 0.012 296.4)
-
Step 100
100
#ECE6FA
oklch(93.6% 0.027 299.5)
-
Step 200
200
#DDD2F8
oklch(88.5% 0.053 298.5)
-
Step 300
300
#C9B3F6
oklch(80.9% 0.096 299.3)
-
Step 400
400
#AE89F2
oklch(70.7% 0.153 298.7)
-
Step 500
500
#9C66ED
oklch(63.1% 0.196 299.1)
-
Step 600
600
#8749DB
oklch(55.6% 0.212 298.8)
-
Step 700
700
#7338BE
oklch(49% 0.198 299)
-
Step 800
800
#5E309A
oklch(42.8% 0.164 299.2)
-
Step 900
900 (this color)
#4B2B79
oklch(37.2% 0.128 299)
-
Step 950
950
#2C1B48
oklch(27% 0.081 298.2)
#4B2B79 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) | #003D7B | 0.093 |
| Deuteranopia (no green cones) | #0A3C77 | 0.090 |
| Tritanopia (no blue cones) | #413C4D | 0.098 |
| Achromatopsia (no color) | #3D3D3D | 0.128 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B2B79
#4B2B79
oklch(37.2% 0.128 299)
- #3C4600
#3C4600
oklch(37.2% 0.087 118.5)
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 #4B2B79, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.051
- Indigo #4B0082 ΔE 0.062
- Royal Purple #4B006E ΔE 0.069
- Blueberry #464196 ΔE 0.069
- Rebecca Purple #663399 ΔE 0.076
- Grape Purple #5D1451 ΔE 0.086
- Imperial Purple #480CA8 ΔE 0.088
- Chrysanthemum #560BAD ΔE 0.094
Use #4B2B79 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.