#4F477D
Closest named color: Twilight (#4E518B). oklch(43.1% 0.088 289), rgb(79, 71, 125).
Aa
White text reads best on this color (8.30:1).
About this color
#4F477D is a dark, moderately saturated purple. In OKLCH its lightness is 43%, its chroma 0.088 and its hue 289°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.033 away. White text reads best on it, at 8.30:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.088) |
| Temperature | cool |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.52:1 |
| White text | 8.30:1 |
Values
| HEX | #4F477D |
| RGB | rgb(79, 71, 125) |
| HSL | hsl(249, 28%, 38%) |
| OKLCH | oklch(43.1% 0.088 289) |
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 #4F477D | 8.30:1 | AAA | Lc -93.2 | Preferred for body text |
| Black text on #4F477D | 2.52:1 | Fails | Lc 15.4 | Dividers and decoration only |
| #4F477D text on white | 8.30:1 | AAA | Lc 88.6 | Fine for body text |
| #4F477D text on black | 2.52:1 | Fails | Lc -13.6 | 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
#D8D6EB
oklch(88.4% 0.029 290.2)
-
Step 300
300
#BFBCE0
oklch(80.9% 0.05 289)
-
Step 400
400
#9E98D1
oklch(70.6% 0.083 288.9)
-
Step 500
500
#877EC5
oklch(63% 0.106 288.8)
-
Step 600
600
#7267B1
oklch(55.7% 0.113 289)
-
Step 700
700
#5F5599
oklch(49.1% 0.107 288.6)
-
Step 800
800 (this color)
#4F477D
oklch(43.1% 0.088 289)
-
Step 900
900
#413B64
oklch(37.8% 0.069 289.4)
-
Step 950
950
#26233A
oklch(27.1% 0.042 289.2)
#4F477D 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) | #354F7F | 0.041 |
| Deuteranopia (no green cones) | #354D7C | 0.040 |
| Tritanopia (no blue cones) | #43515C | 0.073 |
| Achromatopsia (no color) | #4E4E4E | 0.088 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4F477D
#4F477D
oklch(43.1% 0.088 289)
- #54540C
#54540C
oklch(43.2% 0.088 109.6)
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 #4F477D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.033
- Dusk #4E5481 ΔE 0.036
- Dark Slate Blue #483D8B ΔE 0.041
- Blueberry #464196 ΔE 0.049
- Dusty Grape #545775 ΔE 0.053
- Dusk Blue #26538D ΔE 0.060
- YInMn Blue #415A77 ΔE 0.061
- Denim Blue #3B5B92 ΔE 0.062
Use #4F477D 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.