#4C407F
Closest named color: Dark Slate Blue (#483D8B). oklch(41.5% 0.102 290), rgb(76, 64, 127).
Aa
White text reads best on this color (8.94:1).
About this color
#4C407F is a dark, moderately saturated purple. In OKLCH its lightness is 42%, its chroma 0.102 and its hue 290°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.024 away. White text reads best on it, at 8.94:1.
| Hue family | Purples |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.102) |
| Temperature | cool |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.34:1 |
| White text | 8.94:1 |
Values
| HEX | #4C407F |
| RGB | rgb(76, 64, 127) |
| HSL | hsl(251, 33%, 37%) |
| OKLCH | oklch(41.5% 0.102 290) |
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 #4C407F | 8.94:1 | AAA | Lc -94.8 | Preferred for body text |
| Black text on #4C407F | 2.34:1 | Fails | Lc 13.6 | Not readable |
| #4C407F text on white | 8.94:1 | AAA | Lc 90.4 | Preferred for body text |
| #4C407F text on black | 2.34:1 | 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
#F5F5FB
oklch(97.2% 0.008 286.3)
-
Step 100
100
#E9E8F5
oklch(93.6% 0.017 289.6)
-
Step 200
200
#D8D6EE
oklch(88.5% 0.033 289.5)
-
Step 300
300
#BFBBE5
oklch(80.9% 0.059 289.4)
-
Step 400
400
#9F96D8
oklch(70.6% 0.096 290)
-
Step 500
500
#897BCE
oklch(63.1% 0.123 290.2)
-
Step 600
600
#7363BB
oklch(55.6% 0.133 289.7)
-
Step 700
700
#6152A1
oklch(49.2% 0.123 289.8)
-
Step 800
800 (this color)
#4C407F
oklch(41.5% 0.102 290)
-
Step 900
900
#413969
oklch(37.7% 0.081 289.6)
-
Step 950
950
#26223D
oklch(27% 0.049 289.5)
#4C407F 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) | #284B81 | 0.054 |
| Deuteranopia (no green cones) | #29487E | 0.052 |
| Tritanopia (no blue cones) | #3E4D59 | 0.086 |
| Achromatopsia (no color) | #494949 | 0.103 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4C407F
#4C407F
oklch(41.5% 0.102 290)
- #4F5000
#4F5000
oklch(41.6% 0.091 110.6)
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 #4C407F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.024
- Blueberry #464196 ΔE 0.039
- Twilight #4E518B ΔE 0.048
- Dusk #4E5481 ΔE 0.057
- Cobalt #1E488F ΔE 0.063
- Dusk Blue #26538D ΔE 0.067
- Rebecca Purple #663399 ΔE 0.070
- Light Navy #155084 ΔE 0.071
Use #4C407F 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.