#4B3159
Closest named color: Grape Purple (#5D1451). oklch(36.2% 0.074 313), rgb(75, 49, 89).
Aa
White text reads best on this color (11.15:1).
About this color
#4B3159 is a dark, moderately saturated purple. In OKLCH its lightness is 36%, its chroma 0.074 and its hue 313°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.068 away. White text reads best on it, at 11.15:1.
| Hue family | Purples |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.074) |
| Temperature | in between |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.88:1 |
| White text | 11.15:1 |
Values
| HEX | #4B3159 |
| RGB | rgb(75, 49, 89) |
| HSL | hsl(279, 29%, 27%) |
| OKLCH | oklch(36.2% 0.074 313) |
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 #4B3159 | 11.15:1 | AAA | Lc -99.5 | Preferred for body text |
| Black text on #4B3159 | 1.88:1 | Fails | Lc 8.2 | Not readable |
| #4B3159 text on white | 11.15:1 | AAA | Lc 95.6 | Preferred for body text |
| #4B3159 text on black | 1.88:1 | 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
#F7F4F9
oklch(97.1% 0.007 312.3)
-
Step 100
100
#EEE7F2
oklch(93.7% 0.016 313.6)
-
Step 200
200
#E0D4E8
oklch(88.6% 0.03 312.1)
-
Step 300
300
#CDB7DB
oklch(80.9% 0.055 312.3)
-
Step 400
400
#B490C8
oklch(70.6% 0.089 313.2)
-
Step 500
500
#A174BA
oklch(63% 0.113 312.9)
-
Step 600
600
#8C5CA6
oklch(55.6% 0.122 312.8)
-
Step 700
700
#774B8E
oklch(49.1% 0.114 313.1)
-
Step 800
800
#613E74
oklch(42.8% 0.095 312.8)
-
Step 900
900 (this color)
#4B3159
oklch(36.2% 0.074 313)
-
Step 950
950
#2E1F37
oklch(26.9% 0.048 312.1)
#4B3159 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) | #293A5A | 0.060 |
| Deuteranopia (no green cones) | #303C58 | 0.054 |
| Tritanopia (no blue cones) | #4A3740 | 0.052 |
| Achromatopsia (no color) | #3B3B3B | 0.075 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B3159
#4B3159
oklch(36.2% 0.074 313)
- #2E461A
#2E461A
oklch(36.3% 0.075 132.8)
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 #4B3159, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.068
- Onyx #343A40 ΔE 0.071
- Space Cadet #2B2D42 ΔE 0.074
- Prussian Blue #1D3557 ΔE 0.075
- Gunmetal #293241 ΔE 0.076
- Charcoal Grey #3C4142 ΔE 0.076
- Dark Grey Blue #29465B ΔE 0.078
- Dark Blue Grey #1F3B4D ΔE 0.080
Use #4B3159 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.