#4E507C
Closest named color: Dusk (#4E5481). oklch(44.9% 0.072 281.1), rgb(78, 80, 124).
Aa
White text reads best on this color (7.60:1).
About this color
#4E507C is a dark, moderately saturated purple. In OKLCH its lightness is 45%, its chroma 0.072 and its hue 281°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk (#4E5481), ΔE 0.013 away. White text reads best on it, at 7.60:1.
| Hue family | Purples |
| Lightness | dark (45%) |
| Chroma | moderately saturated (0.072) |
| Temperature | cool |
| Nearest name | Dusk (#4E5481) |
| Black text | 2.76:1 |
| White text | 7.60:1 |
Values
| HEX | #4E507C |
| RGB | rgb(78, 80, 124) |
| HSL | hsl(237, 23%, 40%) |
| OKLCH | oklch(44.9% 0.072 281.1) |
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 #4E507C | 7.60:1 | AAA | Lc -91.2 | Preferred for body text |
| Black text on #4E507C | 2.76:1 | Fails | Lc 17.6 | Dividers and decoration only |
| #4E507C text on white | 7.60:1 | AAA | Lc 86.4 | Fine for body text |
| #4E507C text on black | 2.76:1 | Fails | Lc -15.7 | Dividers and decoration only |
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
#F5F5F9
oklch(97.1% 0.005 286.3)
-
Step 100
100
#E8E9F2
oklch(93.6% 0.012 281.1)
-
Step 200
200
#D6D8E9
oklch(88.6% 0.023 280.6)
-
Step 300
300
#BBBEDC
oklch(80.9% 0.042 280.9)
-
Step 400
400
#999CCA
oklch(70.7% 0.067 281.6)
-
Step 500
500
#8083BC
oklch(63% 0.085 281.3)
-
Step 600
600
#6A6CA9
oklch(55.6% 0.094 281.4)
-
Step 700
700
#585A91
oklch(49% 0.087 281.1)
-
Step 800
800 (this color)
#4E507C
oklch(44.9% 0.072 281.1)
-
Step 900
900
#3C3E5F
oklch(37.7% 0.056 280.7)
-
Step 950
950
#232437
oklch(26.8% 0.035 281.4)
#4E507C 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) | #42557E | 0.021 |
| Deuteranopia (no green cones) | #40527B | 0.021 |
| Tritanopia (no blue cones) | #415860 | 0.062 |
| Achromatopsia (no color) | #545454 | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4E507C
#4E507C
oklch(44.9% 0.072 281.1)
- #5E5623
#5E5623
oklch(44.9% 0.071 100.5)
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 #4E507C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk #4E5481 ΔE 0.013
- Twilight #4E518B ΔE 0.024
- Dusty Grape #545775 ΔE 0.029
- YInMn Blue #415A77 ΔE 0.036
- Denim Blue #3B5B92 ΔE 0.046
- Light Navy Blue #2E5A88 ΔE 0.046
- Dusky Blue #475F94 ΔE 0.051
- Dusk Blue #26538D ΔE 0.053
Use #4E507C 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.