#523D77
Closest named color: Dark Slate Blue (#483D8B). oklch(41.1% 0.096 298.8), rgb(82, 61, 119).
Aa
White text reads best on this color (9.15:1).
About this color
#523D77 is a dark, moderately saturated purple. In OKLCH its lightness is 41%, its chroma 0.096 and its hue 299°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.038 away. White text reads best on it, at 9.15:1.
| Hue family | Purples |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.096) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.29:1 |
| White text | 9.15:1 |
Values
| HEX | #523D77 |
| RGB | rgb(82, 61, 119) |
| HSL | hsl(262, 32%, 35%) |
| OKLCH | oklch(41.1% 0.096 298.8) |
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 #523D77 | 9.15:1 | AAA | Lc -95.3 | Preferred for body text |
| Black text on #523D77 | 2.29:1 | Fails | Lc 13.0 | Not readable |
| #523D77 text on white | 9.15:1 | AAA | Lc 91.0 | Preferred for body text |
| #523D77 text on black | 2.29:1 | Fails | Lc -11.4 | Not readable |
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
#F6F4FA
oklch(97% 0.008 301.4)
-
Step 100
100
#EBE8F4
oklch(93.7% 0.016 297.5)
-
Step 200
200
#DBD5EB
oklch(88.4% 0.031 298.2)
-
Step 300
300
#C5B9E1
oklch(80.9% 0.057 298.8)
-
Step 400
400
#A894D1
oklch(70.6% 0.09 299.1)
-
Step 500
500
#9379C5
oklch(63.1% 0.114 298.8)
-
Step 600
600
#7E61B2
oklch(55.7% 0.125 298.8)
-
Step 700
700
#6A5099
oklch(49.2% 0.116 298.5)
-
Step 800
800 (this color)
#523D77
oklch(41.1% 0.096 298.8)
-
Step 900
900
#473864
oklch(37.7% 0.075 298.5)
-
Step 950
950
#2A213A
oklch(27% 0.047 299.9)
#523D77 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) | #2B4879 | 0.062 |
| Deuteranopia (no green cones) | #304776 | 0.057 |
| Tritanopia (no blue cones) | #4A4854 | 0.076 |
| Achromatopsia (no color) | #484848 | 0.097 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #523D77
#523D77
oklch(41.1% 0.096 298.8)
- #455100
#455100
oklch(41% 0.096 119)
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 #523D77, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.038
- Blueberry #464196 ΔE 0.055
- Twilight #4E518B ΔE 0.058
- Dusk #4E5481 ΔE 0.063
- Rebecca Purple #663399 ΔE 0.071
- Dusty Grape #545775 ΔE 0.077
- Cobalt #1E488F ΔE 0.079
- Dusk Blue #26538D ΔE 0.081
Use #523D77 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.