#4F487D
Closest named color: Twilight (#4E518B). oklch(43.3% 0.086 288.3), rgb(79, 72, 125).
Aa
White text reads best on this color (8.21:1).
About this color
#4F487D is a dark, moderately saturated purple. In OKLCH its lightness is 43%, its chroma 0.086 and its hue 288°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.031 away. White text reads best on it, at 8.21:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.086) |
| Temperature | cool |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.55:1 |
| White text | 8.21:1 |
Values
| HEX | #4F487D |
| RGB | rgb(79, 72, 125) |
| HSL | hsl(248, 27%, 39%) |
| OKLCH | oklch(43.3% 0.086 288.3) |
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 #4F487D | 8.21:1 | AAA | Lc -93.0 | Preferred for body text |
| Black text on #4F487D | 2.55:1 | Fails | Lc 15.7 | Dividers and decoration only |
| #4F487D text on white | 8.21:1 | AAA | Lc 88.3 | Fine for body text |
| #4F487D text on black | 2.55:1 | Fails | Lc -13.8 | 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
#E9E8F3
oklch(93.5% 0.015 290.3)
-
Step 200
200
#D8D7EB
oklch(88.6% 0.027 288.1)
-
Step 300
300
#BEBCE0
oklch(80.9% 0.05 287.8)
-
Step 400
400
#9E99D0
oklch(70.7% 0.08 288.3)
-
Step 500
500
#877FC4
oklch(63.1% 0.103 288.4)
-
Step 600
600
#7167B1
oklch(55.6% 0.113 288.4)
-
Step 700
700
#5F5698
oklch(49.2% 0.104 288.2)
-
Step 800
800 (this color)
#4F487D
oklch(43.3% 0.086 288.3)
-
Step 900
900
#403B63
oklch(37.6% 0.068 288.4)
-
Step 950
950
#25233A
oklch(27% 0.042 287.2)
#4F487D 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) | #37507F | 0.039 |
| Deuteranopia (no green cones) | #374E7C | 0.037 |
| Tritanopia (no blue cones) | #43525C | 0.073 |
| Achromatopsia (no color) | #4F4F4F | 0.086 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4F487D
#4F487D
oklch(43.3% 0.086 288.3)
- #55540F
#55540F
oklch(43.3% 0.086 108.7)
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 #4F487D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.031
- Dusk #4E5481 ΔE 0.034
- Dark Slate Blue #483D8B ΔE 0.043
- Dusty Grape #545775 ΔE 0.051
- Blueberry #464196 ΔE 0.051
- YInMn Blue #415A77 ΔE 0.058
- Dusk Blue #26538D ΔE 0.059
- Denim Blue #3B5B92 ΔE 0.060
Use #4F487D 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.