#4F536F
Closest named color: Dusty Grape (#545775). oklch(45% 0.046 278.1), rgb(79, 83, 111).
Aa
White text reads best on this color (7.50:1).
About this color
#4F536F is a medium-dark, muted blue. In OKLCH its lightness is 45%, its chroma 0.046 and its hue 278°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Grape (#545775), ΔE 0.016 away. White text reads best on it, at 7.50:1.
| Hue family | Blues |
| Lightness | medium-dark (45%) |
| Chroma | muted (0.046) |
| Temperature | cool |
| Nearest name | Dusty Grape (#545775) |
| Black text | 2.79:1 |
| White text | 7.50:1 |
Values
| HEX | #4F536F |
| RGB | rgb(79, 83, 111) |
| HSL | hsl(233, 17%, 37%) |
| OKLCH | oklch(45% 0.046 278.1) |
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 #4F536F | 7.50:1 | AAA | Lc -90.9 | Preferred for body text |
| Black text on #4F536F | 2.79:1 | Fails | Lc 17.9 | Dividers and decoration only |
| #4F536F text on white | 7.50:1 | AAA | Lc 86.1 | Fine for body text |
| #4F536F text on black | 2.79:1 | Fails | Lc -16.0 | 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
#E8E9EF
oklch(93.5% 0.008 278.6)
-
Step 200
200
#D6D8E3
oklch(88.4% 0.015 277.8)
-
Step 300
300
#BCBFD2
oklch(80.8% 0.027 278.6)
-
Step 400
400
#9A9EBC
oklch(70.6% 0.044 279.2)
-
Step 500
500
#8187AB
oklch(63.2% 0.055 277.3)
-
Step 600
600
#6B7096
oklch(55.6% 0.059 278.5)
-
Step 700
700
#595E80
oklch(49.1% 0.055 277.7)
-
Step 800
800 (this color)
#4F536F
oklch(45% 0.046 278.1)
-
Step 900
900
#3D4055
oklch(37.8% 0.036 278.2)
-
Step 950
950
#242532
oklch(26.9% 0.024 281.2)
#4F536F 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) | #4B5670 | 0.010 |
| Deuteranopia (no green cones) | #49546E | 0.010 |
| Tritanopia (no blue cones) | #47585D | 0.040 |
| Achromatopsia (no color) | #555555 | 0.046 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4F536F
#4F536F
oklch(45% 0.046 278.1)
- #5C5638
#5C5638
oklch(45.1% 0.046 98.2)
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 #4F536F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Grape #545775 ΔE 0.016
- YInMn Blue #415A77 ΔE 0.027
- Dusk #4E5481 ΔE 0.029
- Twilight #4E518B ΔE 0.049
- Light Navy Blue #2E5A88 ΔE 0.054
- Slate #516572 ΔE 0.055
- Denim #3B638C ΔE 0.059
- Denim Blue #3B5B92 ΔE 0.060
Use #4F536F 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.