#5B5983
Closest named color: Dusty Grape (#545775). oklch(48.3% 0.067 285.8), rgb(91, 89, 131).
Aa
White text reads best on this color (6.55:1).
About this color
#5B5983 is a medium-dark, muted purple. In OKLCH its lightness is 48%, its chroma 0.067 and its hue 286°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Grape (#545775), ΔE 0.026 away. White text reads best on it, at 6.55:1.
| Hue family | Purples |
| Lightness | medium-dark (48%) |
| Chroma | muted (0.067) |
| Temperature | cool |
| Nearest name | Dusty Grape (#545775) |
| Black text | 3.20:1 |
| White text | 6.55:1 |
Values
| HEX | #5B5983 |
| RGB | rgb(91, 89, 131) |
| HSL | hsl(243, 19%, 43%) |
| OKLCH | oklch(48.3% 0.067 285.8) |
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 #5B5983 | 6.55:1 | AA | Lc -87.5 | Fine for body text |
| Black text on #5B5983 | 3.20:1 | AA large text | Lc 21.6 | Dividers and decoration only |
| #5B5983 text on white | 6.55:1 | AA | Lc 82.5 | Fine for body text |
| #5B5983 text on black | 3.20:1 | AA large text | Lc -19.5 | 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
#F5F5F8
oklch(97.1% 0.004 286.3)
-
Step 100
100
#E9E9F0
oklch(93.6% 0.009 286.2)
-
Step 200
200
#D8D8E5
oklch(88.6% 0.018 286)
-
Step 300
300
#BEBED5
oklch(80.9% 0.032 285.7)
-
Step 400
400
#9D9CC0
oklch(70.6% 0.052 286.3)
-
Step 500
500
#8584B0
oklch(63.1% 0.066 285.4)
-
Step 600
600
#6F6D9C
oklch(55.5% 0.072 285.7)
-
Step 700
700 (this color)
#5B5983
oklch(48.3% 0.067 285.8)
-
Step 800
800
#4C4B6C
oklch(42.8% 0.054 285.2)
-
Step 900
900
#3F3E58
oklch(37.6% 0.044 285.8)
-
Step 950
950
#252533
oklch(27.1% 0.026 284.5)
#5B5983 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) | #4D5E85 | 0.023 |
| Deuteranopia (no green cones) | #4C5C82 | 0.023 |
| Tritanopia (no blue cones) | #516168 | 0.059 |
| Achromatopsia (no color) | #5D5D5D | 0.067 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B5983
#5B5983
oklch(48.3% 0.067 285.8)
- #646132
#646132
oklch(48.4% 0.067 105.4)
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 #5B5983, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Grape #545775 ΔE 0.026
- Dusk #4E5481 ΔE 0.026
- Twilight #4E518B ΔE 0.037
- Dusky Blue #475F94 ΔE 0.037
- YInMn Blue #415A77 ΔE 0.044
- Denim #3B638C ΔE 0.047
- Denim Blue #3B5B92 ΔE 0.047
- Slate #516572 ΔE 0.053
Use #5B5983 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.