#4B2B74
Closest named color: Dark Slate Blue (#483D8B). oklch(36.9% 0.121 300.8), rgb(75, 43, 116).
Aa
White text reads best on this color (11.07:1).
About this color
#4B2B74 is a dark, moderately saturated purple. In OKLCH its lightness is 37%, its chroma 0.121 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 0.056 away. White text reads best on it, at 11.07:1.
| Hue family | Purples |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.121) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 1.89:1 |
| White text | 11.07:1 |
Values
| HEX | #4B2B74 |
| RGB | rgb(75, 43, 116) |
| HSL | hsl(266, 46%, 31%) |
| OKLCH | oklch(36.9% 0.121 300.8) |
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 #4B2B74 | 11.07:1 | AAA | Lc -99.1 | Preferred for body text |
| Black text on #4B2B74 | 1.89:1 | Fails | Lc 8.7 | Not readable |
| #4B2B74 text on white | 11.07:1 | AAA | Lc 95.2 | Preferred for body text |
| #4B2B74 text on black | 1.89:1 | Fails | Lc -7.4 | 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
#F7F4FD
oklch(97.2% 0.012 301.3)
-
Step 100
100
#ECE6F9
oklch(93.5% 0.026 300.3)
-
Step 200
200
#DED2F6
oklch(88.5% 0.051 300.6)
-
Step 300
300
#CAB3F3
oklch(80.8% 0.092 300.8)
-
Step 400
400
#B089EC
oklch(70.6% 0.145 300.9)
-
Step 500
500
#9E68E6
oklch(63.1% 0.185 301)
-
Step 600
600
#894BD4
oklch(55.6% 0.202 300.8)
-
Step 700
700
#753BB8
oklch(49.2% 0.188 300.9)
-
Step 800
800
#5F3295
oklch(42.8% 0.156 300.9)
-
Step 900
900 (this color)
#4B2B74
oklch(36.9% 0.121 300.8)
-
Step 950
950
#2D1B45
oklch(26.9% 0.077 301.2)
#4B2B74 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) | #013B76 | 0.094 |
| Deuteranopia (no green cones) | #143B72 | 0.085 |
| Tritanopia (no blue cones) | #423A4B | 0.091 |
| Achromatopsia (no color) | #3C3C3C | 0.122 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B2B74
#4B2B74
oklch(36.9% 0.121 300.8)
- #394600
#394600
oklch(36.9% 0.089 120.9)
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 #4B2B74, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.056
- Indigo #4B0082 ΔE 0.065
- Royal Purple #4B006E ΔE 0.067
- Blueberry #464196 ΔE 0.075
- Grape Purple #5D1451 ΔE 0.079
- Rebecca Purple #663399 ΔE 0.082
- Plum Purple #4E0550 ΔE 0.088
- Twilight Blue #0A437A ΔE 0.095
Use #4B2B74 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.