#4E2B7B
Closest named color: Dark Slate Blue (#483D8B). oklch(37.7% 0.131 300.4), rgb(78, 43, 123).
Aa
White text reads best on this color (10.73:1).
About this color
#4E2B7B is a dark, moderately saturated purple. In OKLCH its lightness is 38%, its chroma 0.131 and its hue 300°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.049 away. White text reads best on it, at 10.73:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.131) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 1.95:1 |
| White text | 10.73:1 |
Values
| HEX | #4E2B7B |
| RGB | rgb(78, 43, 123) |
| HSL | hsl(266, 48%, 33%) |
| OKLCH | oklch(37.7% 0.131 300.4) |
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 #4E2B7B | 10.73:1 | AAA | Lc -98.4 | Preferred for body text |
| Black text on #4E2B7B | 1.95:1 | Fails | Lc 9.5 | Not readable |
| #4E2B7B text on white | 10.73:1 | AAA | Lc 94.5 | Preferred for body text |
| #4E2B7B text on black | 1.95:1 | Fails | Lc -8.1 | 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
#DED2F8
oklch(88.5% 0.053 299.7)
-
Step 300
300
#CAB2F7
oklch(80.8% 0.099 300.2)
-
Step 400
400
#B187F3
oklch(70.7% 0.158 300.4)
-
Step 500
500
#9F64EE
oklch(63.1% 0.201 300.5)
-
Step 600
600
#8A45DC
oklch(55.5% 0.218 300.2)
-
Step 700
700
#7635BF
oklch(49.1% 0.203 300.5)
-
Step 800
800
#602E9A
oklch(42.7% 0.167 300.7)
-
Step 900
900 (this color)
#4E2B7B
oklch(37.7% 0.131 300.4)
-
Step 950
950
#2D1A48
oklch(26.9% 0.083 299.9)
#4E2B7B 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) | #003D7E | 0.098 |
| Deuteranopia (no green cones) | #0C3D79 | 0.094 |
| Tritanopia (no blue cones) | #443C4F | 0.097 |
| Achromatopsia (no color) | #3E3E3E | 0.131 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4E2B7B
#4E2B7B
oklch(37.7% 0.131 300.4)
- #3C4800
#3C4800
oklch(37.7% 0.09 119.9)
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 #4E2B7B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.049
- Indigo #4B0082 ΔE 0.062
- Blueberry #464196 ΔE 0.067
- Rebecca Purple #663399 ΔE 0.070
- Royal Purple #4B006E ΔE 0.070
- Grape Purple #5D1451 ΔE 0.086
- Imperial Purple #480CA8 ΔE 0.086
- Chrysanthemum #560BAD ΔE 0.090
Use #4E2B7B 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.