#4E3797
Closest named color: Blueberry (#464196). oklch(41.9% 0.15 289.3), rgb(78, 55, 151).
Aa
White text reads best on this color (9.06:1).
About this color
#4E3797 is a dark, vivid purple. In OKLCH its lightness is 42%, its chroma 0.150 and its hue 289°. Its hue sits on the cool side of the wheel. The nearest named color is Blueberry (#464196), ΔE 0.026 away. White text reads best on it, at 9.06:1.
| Hue family | Purples |
| Lightness | dark (42%) |
| Chroma | vivid (0.150) |
| Temperature | cool |
| Nearest name | Blueberry (#464196) |
| Black text | 2.31:1 |
| White text | 9.06:1 |
Values
| HEX | #4E3797 |
| RGB | rgb(78, 55, 151) |
| HSL | hsl(254, 47%, 40%) |
| OKLCH | oklch(41.9% 0.15 289.3) |
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 #4E3797 | 9.06:1 | AAA | Lc -94.8 | Preferred for body text |
| Black text on #4E3797 | 2.31:1 | Fails | Lc 13.6 | Not readable |
| #4E3797 text on white | 9.06:1 | AAA | Lc 90.4 | Preferred for body text |
| #4E3797 text on black | 2.31:1 | Fails | Lc -11.9 | 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 800.
-
Step 50
50
#F5F4FD
oklch(97% 0.012 291.3)
-
Step 100
100
#E9E7FA
oklch(93.5% 0.026 290.7)
-
Step 200
200
#D8D4F8
oklch(88.4% 0.049 290.4)
-
Step 300
300
#BFB8F6
oklch(81% 0.087 289.5)
-
Step 400
400
#9F90F2
oklch(70.7% 0.141 289.3)
-
Step 500
500
#8971ED
oklch(63.1% 0.18 289.1)
-
Step 600
600
#7556DB
oklch(55.7% 0.194 289.3)
-
Step 700
700
#6345BE
oklch(49.2% 0.18 289.5)
-
Step 800
800 (this color)
#4E3797
oklch(41.9% 0.15 289.3)
-
Step 900
900
#42337A
oklch(37.7% 0.116 289.4)
-
Step 950
950
#261E48
oklch(26.9% 0.075 289.1)
#4E3797 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) | #004B9A | 0.085 |
| Deuteranopia (no green cones) | #004695 | 0.083 |
| Tritanopia (no blue cones) | #364E61 | 0.124 |
| Achromatopsia (no color) | #494949 | 0.150 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4E3797
#4E3797
oklch(41.9% 0.15 289.3)
- #515000
#515000
oklch(41.8% 0.091 108.9)
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 #4E3797, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blueberry #464196 ΔE 0.026
- Dark Slate Blue #483D8B ΔE 0.026
- Rebecca Purple #663399 ΔE 0.045
- Chrysanthemum #560BAD ΔE 0.069
- Imperial Purple #480CA8 ΔE 0.070
- Sapphire #2138AB ΔE 0.072
- Twilight #4E518B ΔE 0.072
- Cobalt #1E488F ΔE 0.073
Use #4E3797 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.