#4F4281
Closest named color: Dark Slate Blue (#483D8B). oklch(42.4% 0.102 290.9), rgb(79, 66, 129).
Aa
White text reads best on this color (8.64:1).
About this color
#4F4281 is a dark, moderately saturated purple. In OKLCH its lightness is 42%, its chroma 0.102 and its hue 291°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.026 away. White text reads best on it, at 8.64:1.
| Hue family | Purples |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.102) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.42:1 |
| White text | 8.64:1 |
Values
| HEX | #4F4281 |
| RGB | rgb(79, 66, 129) |
| HSL | hsl(252, 32%, 38%) |
| OKLCH | oklch(42.4% 0.102 290.9) |
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 #4F4281 | 8.64:1 | AAA | Lc -94.0 | Preferred for body text |
| Black text on #4F4281 | 2.42:1 | Fails | Lc 14.4 | Not readable |
| #4F4281 text on white | 8.64:1 | AAA | Lc 89.5 | Fine for body text |
| #4F4281 text on black | 2.42:1 | Fails | Lc -12.7 | 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
#D9D6EE
oklch(88.6% 0.033 291.5)
-
Step 300
300
#C0BBE5
oklch(81% 0.059 290.5)
-
Step 400
400
#A096D8
oklch(70.6% 0.096 290.7)
-
Step 500
500
#8A7BCD
oklch(63.1% 0.121 290.9)
-
Step 600
600
#7563BA
oklch(55.7% 0.132 291)
-
Step 700
700
#6251A0
oklch(49% 0.123 291.1)
-
Step 800
800 (this color)
#4F4281
oklch(42.4% 0.102 290.9)
-
Step 900
900
#423968
oklch(37.7% 0.079 290.9)
-
Step 950
950
#27223D
oklch(27.1% 0.049 291.2)
#4F4281 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) | #2B4D83 | 0.055 |
| Deuteranopia (no green cones) | #2C4A80 | 0.052 |
| Tritanopia (no blue cones) | #424E5B | 0.084 |
| Achromatopsia (no color) | #4C4C4C | 0.102 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4F4281
#4F4281
oklch(42.4% 0.102 290.9)
- #515200
#515200
oklch(42.4% 0.093 110.6)
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 #4F4281, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.026
- Blueberry #464196 ΔE 0.038
- Twilight #4E518B ΔE 0.042
- Dusk #4E5481 ΔE 0.051
- Cobalt #1E488F ΔE 0.066
- Dusk Blue #26538D ΔE 0.066
- Rebecca Purple #663399 ΔE 0.067
- Dusty Grape #545775 ΔE 0.070
Use #4F4281 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.