#4F506F
Closest named color: Dusty Grape (#545775). oklch(44.3% 0.051 282.7), rgb(79, 80, 111).
Aa
White text reads best on this color (7.75:1).
About this color
#4F506F is a dark, muted purple. In OKLCH its lightness is 44%, its chroma 0.051 and its hue 283°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Grape (#545775), ΔE 0.023 away. White text reads best on it, at 7.75:1.
| Hue family | Purples |
| Lightness | dark (44%) |
| Chroma | muted (0.051) |
| Temperature | cool |
| Nearest name | Dusty Grape (#545775) |
| Black text | 2.70:1 |
| White text | 7.75:1 |
Values
| HEX | #4F506F |
| RGB | rgb(79, 80, 111) |
| HSL | hsl(238, 17%, 37%) |
| OKLCH | oklch(44.3% 0.051 282.7) |
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 #4F506F | 7.75:1 | AAA | Lc -91.7 | Preferred for body text |
| Black text on #4F506F | 2.70:1 | Fails | Lc 17.1 | Dividers and decoration only |
| #4F506F text on white | 7.75:1 | AAA | Lc 86.9 | Fine for body text |
| #4F506F text on black | 2.70:1 | Fails | Lc -15.2 | 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
#F5F5F8
oklch(97.1% 0.004 286.3)
-
Step 100
100
#E9E9F0
oklch(93.6% 0.009 286.2)
-
Step 200
200
#D7D8E4
oklch(88.5% 0.016 282.2)
-
Step 300
300
#BDBFD4
oklch(81% 0.029 281.4)
-
Step 400
400
#9C9DBE
oklch(70.6% 0.048 283.7)
-
Step 500
500
#8485AE
oklch(63.1% 0.061 283.4)
-
Step 600
600
#6D6F99
oklch(55.7% 0.065 281.9)
-
Step 700
700
#5B5C83
oklch(49% 0.062 282.7)
-
Step 800
800 (this color)
#4F506F
oklch(44.3% 0.051 282.7)
-
Step 900
900
#3E3F56
oklch(37.7% 0.039 282.4)
-
Step 950
950
#242533
oklch(27% 0.026 281.3)
#4F506F 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) | #475470 | 0.016 |
| Deuteranopia (no green cones) | #46526E | 0.015 |
| Tritanopia (no blue cones) | #47565B | 0.045 |
| Achromatopsia (no color) | #535353 | 0.051 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4F506F
#4F506F
oklch(44.3% 0.051 282.7)
- #595533
#595533
oklch(44.4% 0.051 102.4)
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 #4F506F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Grape #545775 ΔE 0.023
- Dusk #4E5481 ΔE 0.029
- YInMn Blue #415A77 ΔE 0.033
- Twilight #4E518B ΔE 0.046
- Light Navy Blue #2E5A88 ΔE 0.056
- Denim Blue #3B5B92 ΔE 0.062
- Slate #516572 ΔE 0.064
- Denim #3B638C ΔE 0.065
Use #4F506F 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.