#4E2B79
Closest named color: Dark Slate Blue (#483D8B). oklch(37.6% 0.128 301.1), rgb(78, 43, 121).
Aa
White text reads best on this color (10.79:1).
About this color
#4E2B79 is a dark, moderately saturated purple. In OKLCH its lightness is 38%, its chroma 0.128 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 0.051 away. White text reads best on it, at 10.79:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.128) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 1.94:1 |
| White text | 10.79:1 |
Values
| HEX | #4E2B79 |
| RGB | rgb(78, 43, 121) |
| HSL | hsl(267, 48%, 32%) |
| OKLCH | oklch(37.6% 0.128 301.1) |
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 #4E2B79 | 10.79:1 | AAA | Lc -98.5 | Preferred for body text |
| Black text on #4E2B79 | 1.94:1 | Fails | Lc 9.3 | Not readable |
| #4E2B79 text on white | 10.79:1 | AAA | Lc 94.6 | Preferred for body text |
| #4E2B79 text on black | 1.94:1 | Fails | Lc -8.0 | 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
#F7F4FD
oklch(97.2% 0.012 301.3)
-
Step 100
100
#EDE6FA
oklch(93.6% 0.028 301.7)
-
Step 200
200
#DFD2F8
oklch(88.6% 0.053 300.9)
-
Step 300
300
#CBB2F5
oklch(80.8% 0.096 301.4)
-
Step 400
400
#B287F0
oklch(70.7% 0.154 301.5)
-
Step 500
500
#9F65EB
oklch(63.1% 0.196 300.9)
-
Step 600
600
#8B47D9
oklch(55.6% 0.213 301)
-
Step 700
700
#7636BC
oklch(49% 0.198 301.1)
-
Step 800
800
#602F98
oklch(42.7% 0.163 301.1)
-
Step 900
900 (this color)
#4E2B79
oklch(37.6% 0.128 301.1)
-
Step 950
950
#2E1A47
oklch(27% 0.082 301.7)
#4E2B79 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 | 0.098 |
| Deuteranopia (no green cones) | #103D77 | 0.092 |
| Tritanopia (no blue cones) | #453C4D | 0.098 |
| Achromatopsia (no color) | #3D3D3D | 0.129 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4E2B79
#4E2B79
oklch(37.6% 0.128 301.1)
- #3A4800
#3A4800
oklch(37.6% 0.091 121.4)
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 #4E2B79, 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 0.063
- Blueberry #464196 ΔE 0.069
- Royal Purple #4B006E ΔE 0.069
- Rebecca Purple #663399 ΔE 0.072
- Grape Purple #5D1451 ΔE 0.083
- Imperial Purple #480CA8 ΔE 0.089
- Chrysanthemum #560BAD ΔE 0.093
Use #4E2B79 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.