#523A9A
Closest named color: Blueberry (#464196). oklch(43% 0.149 290.2), rgb(82, 58, 154).
Aa
White text reads best on this color (8.63:1).
About this color
#523A9A is a dark, vivid purple. In OKLCH its lightness is 43%, its chroma 0.149 and its hue 290°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Blueberry (#464196), ΔE 0.026 away. White text reads best on it, at 8.63:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | vivid (0.149) |
| Temperature | in between |
| Nearest name | Blueberry (#464196) |
| Black text | 2.43:1 |
| White text | 8.63:1 |
Values
| HEX | #523A9A |
| RGB | rgb(82, 58, 154) |
| HSL | hsl(255, 45%, 42%) |
| OKLCH | oklch(43% 0.149 290.2) |
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 #523A9A | 8.63:1 | AAA | Lc -93.8 | Preferred for body text |
| Black text on #523A9A | 2.43:1 | Fails | Lc 14.7 | Not readable |
| #523A9A text on white | 8.63:1 | AAA | Lc 89.3 | Fine for body text |
| #523A9A text on black | 2.43:1 | Fails | Lc -13.0 | 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
#F5F4FD
oklch(97% 0.012 291.3)
-
Step 100
100
#E9E7FA
oklch(93.5% 0.026 290.7)
-
Step 200
200
#D8D4F8
oklch(88.4% 0.049 290.4)
-
Step 300
300
#BFB7F6
oklch(80.8% 0.088 290.1)
-
Step 400
400
#A090F1
oklch(70.7% 0.139 289.9)
-
Step 500
500
#8B71EC
oklch(63.2% 0.178 290.1)
-
Step 600
600
#7655DA
oklch(55.5% 0.194 290)
-
Step 700
700
#6444BD
oklch(49% 0.181 290.3)
-
Step 800
800 (this color)
#523A9A
oklch(43% 0.149 290.2)
-
Step 900
900
#43337A
oklch(37.8% 0.116 290.1)
-
Step 950
950
#271E47
oklch(26.9% 0.074 290.7)
#523A9A 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) | #004D9D | 0.087 |
| Deuteranopia (no green cones) | #004998 | 0.087 |
| Tritanopia (no blue cones) | #3C5064 | 0.121 |
| Achromatopsia (no color) | #4C4C4C | 0.150 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #523A9A
#523A9A
oklch(43% 0.149 290.2)
- #535400
#535400
oklch(43.1% 0.094 110.6)
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 #523A9A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blueberry #464196 ΔE 0.026
- Dark Slate Blue #483D8B ΔE 0.031
- Rebecca Purple #663399 ΔE 0.039
- Twilight #4E518B ΔE 0.067
- Blue With A Hint Of Purple #533CC6 ΔE 0.071
- Chrysanthemum #560BAD ΔE 0.072
- Cobalt #1E488F ΔE 0.076
- Sapphire #2138AB ΔE 0.077
Use #523A9A 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.