#5A409C
Closest named color: Rebecca Purple (#663399). oklch(44.9% 0.144 292.7), rgb(90, 64, 156).
Aa
White text reads best on this color (7.93:1).
About this color
#5A409C is a dark, vivid purple. In OKLCH its lightness is 45%, its chroma 0.144 and its hue 293°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.034 away. White text reads best on it, at 7.93:1.
| Hue family | Purples |
| Lightness | dark (45%) |
| Chroma | vivid (0.144) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.64:1 |
| White text | 7.93:1 |
Values
| HEX | #5A409C |
| RGB | rgb(90, 64, 156) |
| HSL | hsl(257, 42%, 43%) |
| OKLCH | oklch(44.9% 0.144 292.7) |
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 #5A409C | 7.93:1 | AAA | Lc -91.9 | Preferred for body text |
| Black text on #5A409C | 2.64:1 | Fails | Lc 16.8 | Dividers and decoration only |
| #5A409C text on white | 7.93:1 | AAA | Lc 87.2 | Fine for body text |
| #5A409C text on black | 2.64:1 | Fails | Lc -14.9 | 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
#EAE7F9
oklch(93.6% 0.024 293.6)
-
Step 200
200
#D9D4F6
oklch(88.5% 0.047 292.2)
-
Step 300
300
#C2B7F3
oklch(80.9% 0.084 292.8)
-
Step 400
400
#A48FEC
oklch(70.6% 0.134 293)
-
Step 500
500
#8F71E6
oklch(63.2% 0.17 292.7)
-
Step 600
600
#7A55D4
oklch(55.5% 0.187 292.7)
-
Step 700
700
#6745B8
oklch(49.1% 0.173 292.5)
-
Step 800
800 (this color)
#5A409C
oklch(44.9% 0.144 292.7)
-
Step 900
900
#453377
oklch(37.8% 0.112 292.4)
-
Step 950
950
#281E45
oklch(26.9% 0.071 292.9)
#5A409C 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) | #05529F | 0.093 |
| Deuteranopia (no green cones) | #124F9A | 0.088 |
| Tritanopia (no blue cones) | #485467 | 0.116 |
| Achromatopsia (no color) | #515151 | 0.144 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5A409C
#5A409C
oklch(44.9% 0.144 292.7)
- #565A00
#565A00
oklch(44.9% 0.1 112.7)
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 #5A409C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.034
- Blueberry #464196 ΔE 0.035
- Dark Slate Blue #483D8B ΔE 0.043
- Twilight #4E518B ΔE 0.057
- Blue With A Hint Of Purple #533CC6 ΔE 0.069
- Bluey Purple #6241C7 ΔE 0.070
- Dusk #4E5481 ΔE 0.076
- Blurple #5539CC ΔE 0.079
Use #5A409C 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.