#5B5973
Closest named color: Dusty Grape (#545775). oklch(47.6% 0.042 288.2), rgb(91, 89, 115).
Aa
White text reads best on this color (6.72:1).
About this color
#5B5973 is a medium-dark, muted purple. In OKLCH its lightness is 48%, its chroma 0.042 and its hue 288°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Grape (#545775), ΔE 0.014 away. White text reads best on it, at 6.72:1.
| Hue family | Purples |
| Lightness | medium-dark (48%) |
| Chroma | muted (0.042) |
| Temperature | cool |
| Nearest name | Dusty Grape (#545775) |
| Black text | 3.12:1 |
| White text | 6.72:1 |
Values
| HEX | #5B5973 |
| RGB | rgb(91, 89, 115) |
| HSL | hsl(245, 13%, 40%) |
| OKLCH | oklch(47.6% 0.042 288.2) |
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 #5B5973 | 6.72:1 | AA | Lc -88.2 | Fine for body text |
| Black text on #5B5973 | 3.12:1 | AA large text | Lc 20.9 | Dividers and decoration only |
| #5B5973 text on white | 6.72:1 | AA | Lc 83.2 | Fine for body text |
| #5B5973 text on black | 3.12:1 | AA large text | Lc -18.8 | 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 700.
-
Step 50
50
#F5F5F7
oklch(97.1% 0.003 286.4)
-
Step 100
100
#E9E9EE
oklch(93.5% 0.007 286.3)
-
Step 200
200
#D8D8E0
oklch(88.5% 0.011 286.2)
-
Step 300
300
#C0BFCD
oklch(81% 0.02 289.2)
-
Step 400
400
#9F9EB4
oklch(70.7% 0.032 287.6)
-
Step 500
500
#8886A2
oklch(63.2% 0.042 288.4)
-
Step 600
600
#726F8D
oklch(55.5% 0.046 289.4)
-
Step 700
700 (this color)
#5B5973
oklch(47.6% 0.042 288.2)
-
Step 800
800
#4E4C61
oklch(42.7% 0.035 289.2)
-
Step 900
900
#413F4F
oklch(37.6% 0.027 290.8)
-
Step 950
950
#26252E
oklch(26.9% 0.017 290.3)
#5B5973 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) | #535C74 | 0.014 |
| Deuteranopia (no green cones) | #525B72 | 0.015 |
| Tritanopia (no blue cones) | #565D62 | 0.035 |
| Achromatopsia (no color) | #5C5C5C | 0.042 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B5973
#5B5973
oklch(47.6% 0.042 288.2)
- #5E5F43
#5E5F43
oklch(47.7% 0.043 109.6)
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 #5B5973, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Grape #545775 ΔE 0.014
- YInMn Blue #415A77 ΔE 0.037
- Dusk #4E5481 ΔE 0.037
- Slate #516572 ΔE 0.038
- Twilight #4E518B ΔE 0.055
- Denim #3B638C ΔE 0.055
- Dusky Blue #475F94 ΔE 0.057
- Dim Gray #696969 ΔE 0.061
Use #5B5973 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.