#5A5166
Closest named color: Dusty Grape (#545775). oklch(45.2% 0.035 304.5), rgb(90, 81, 102).
Aa
White text reads best on this color (7.49:1).
About this color
#5A5166 is a medium-dark, muted purple. In OKLCH its lightness is 45%, its chroma 0.035 and its hue 304°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dusty Grape (#545775), ΔE 0.027 away. White text reads best on it, at 7.49:1.
| Hue family | Purples |
| Lightness | medium-dark (45%) |
| Chroma | muted (0.035) |
| Temperature | in between |
| Nearest name | Dusty Grape (#545775) |
| Black text | 2.80:1 |
| White text | 7.49:1 |
Values
| HEX | #5A5166 |
| RGB | rgb(90, 81, 102) |
| HSL | hsl(266, 11%, 36%) |
| OKLCH | oklch(45.2% 0.035 304.5) |
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 #5A5166 | 7.49:1 | AAA | Lc -90.9 | Preferred for body text |
| Black text on #5A5166 | 2.80:1 | Fails | Lc 18.0 | Dividers and decoration only |
| #5A5166 text on white | 7.49:1 | AAA | Lc 86.0 | Fine for body text |
| #5A5166 text on black | 2.80:1 | 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
#F6F5F7
oklch(97.1% 0.003 308.4)
-
Step 100
100
#EBE9ED
oklch(93.7% 0.006 308.4)
-
Step 200
200
#DBD7DF
oklch(88.5% 0.012 308.3)
-
Step 300
300
#C3BDCC
oklch(80.8% 0.022 304)
-
Step 400
400
#A59CB2
oklch(70.8% 0.033 304.1)
-
Step 500
500
#8F839F
oklch(63% 0.044 304.6)
-
Step 600
600
#796D8A
oklch(55.6% 0.046 303.8)
-
Step 700
700
#665B75
oklch(49.1% 0.043 304.1)
-
Step 800
800 (this color)
#5A5166
oklch(45.2% 0.035 304.5)
-
Step 900
900
#453E4E
oklch(37.7% 0.028 304.9)
-
Step 950
950
#28242E
oklch(26.9% 0.019 303.3)
#5A5166 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) | #4D5467 | 0.021 |
| Deuteranopia (no green cones) | #4F5565 | 0.021 |
| Tritanopia (no blue cones) | #585458 | 0.028 |
| Achromatopsia (no color) | #555555 | 0.036 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5A5166
#5A5166
oklch(45.2% 0.035 304.5)
- #515944
#515944
oklch(45.1% 0.035 124.7)
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 #5A5166, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Grape #545775 ΔE 0.027
- YInMn Blue #415A77 ΔE 0.045
- Dusk #4E5481 ΔE 0.046
- Slate #516572 ΔE 0.058
- Twilight #4E518B ΔE 0.064
- Brownish Purple #76424E ΔE 0.064
- Light Navy Blue #2E5A88 ΔE 0.075
- Denim #3B638C ΔE 0.076
Use #5A5166 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.