#4E457F
Closest named color: Dark Slate Blue (#483D8B). oklch(42.7% 0.094 288.9), rgb(78, 69, 127).
Aa
White text reads best on this color (8.46:1).
About this color
#4E457F is a dark, moderately saturated purple. In OKLCH its lightness is 43%, its chroma 0.094 and its hue 289°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.034 away. White text reads best on it, at 8.46:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.094) |
| Temperature | cool |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.48:1 |
| White text | 8.46:1 |
Values
| HEX | #4E457F |
| RGB | rgb(78, 69, 127) |
| HSL | hsl(249, 30%, 38%) |
| OKLCH | oklch(42.7% 0.094 288.9) |
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 #4E457F | 8.46:1 | AAA | Lc -93.6 | Preferred for body text |
| Black text on #4E457F | 2.48:1 | Fails | Lc 15.0 | Not readable |
| #4E457F text on white | 8.46:1 | AAA | Lc 89.0 | Fine for body text |
| #4E457F text on black | 2.48:1 | Fails | Lc -13.2 | 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
#F5F5FA
oklch(97.2% 0.007 286.3)
-
Step 100
100
#E9E8F4
oklch(93.5% 0.016 289.9)
-
Step 200
200
#D8D6ED
oklch(88.5% 0.031 289.7)
-
Step 300
300
#BFBBE3
oklch(80.8% 0.056 289.7)
-
Step 400
400
#9E98D4
oklch(70.7% 0.087 288.5)
-
Step 500
500
#877DC9
oklch(63% 0.113 288.8)
-
Step 600
600
#7265B6
oklch(55.6% 0.123 289.1)
-
Step 700
700
#60549D
oklch(49.2% 0.114 289.1)
-
Step 800
800 (this color)
#4E457F
oklch(42.7% 0.094 288.9)
-
Step 900
900
#413A66
oklch(37.7% 0.074 289.7)
-
Step 950
950
#26223C
oklch(27% 0.048 289.9)
#4E457F 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) | #314E81 | 0.045 |
| Deuteranopia (no green cones) | #314C7E | 0.044 |
| Tritanopia (no blue cones) | #41505C | 0.078 |
| Achromatopsia (no color) | #4D4D4D | 0.094 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4E457F
#4E457F
oklch(42.7% 0.094 288.9)
- #545300
#545300
oklch(42.9% 0.093 109)
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 #4E457F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.034
- Twilight #4E518B ΔE 0.036
- Dusk #4E5481 ΔE 0.043
- Blueberry #464196 ΔE 0.043
- Dusk Blue #26538D ΔE 0.060
- Dusty Grape #545775 ΔE 0.061
- Cobalt #1E488F ΔE 0.065
- Denim Blue #3B5B92 ΔE 0.066
Use #4E457F 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.