#5A39A4
Closest named color: Rebecca Purple (#663399). oklch(44.4% 0.164 292.7), rgb(90, 57, 164).
Aa
White text reads best on this color (8.21:1).
About this color
#5A39A4 is a dark, vivid purple. In OKLCH its lightness is 44%, its chroma 0.164 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 0.031 away. White text reads best on it, at 8.21:1.
| Hue family | Purples |
| Lightness | dark (44%) |
| Chroma | vivid (0.164) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.55:1 |
| White text | 8.21:1 |
Values
| HEX | #5A39A4 |
| RGB | rgb(90, 57, 164) |
| HSL | hsl(259, 48%, 43%) |
| OKLCH | oklch(44.4% 0.164 292.7) |
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 #5A39A4 | 8.21:1 | AAA | Lc -92.6 | Preferred for body text |
| Black text on #5A39A4 | 2.55:1 | Fails | Lc 16.1 | Dividers and decoration only |
| #5A39A4 text on white | 8.21:1 | AAA | Lc 87.9 | Fine for body text |
| #5A39A4 text on black | 2.55:1 | Fails | Lc -14.2 | 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
#F5F4FE
oklch(97.1% 0.013 290.8)
-
Step 100
100
#EAE7FB
oklch(93.6% 0.027 292.8)
-
Step 200
200
#DAD3FA
oklch(88.5% 0.054 293.5)
-
Step 300
300
#C2B5F9
oklch(80.8% 0.096 292.9)
-
Step 400
400
#A58CF7
oklch(70.7% 0.154 292.8)
-
Step 500
500
#916BF3
oklch(63.2% 0.196 292.8)
-
Step 600
600
#7C4EE2
oklch(55.7% 0.213 292.4)
-
Step 700
700
#693DC4
oklch(49.1% 0.198 292.5)
-
Step 800
800 (this color)
#5A39A4
oklch(44.4% 0.164 292.7)
-
Step 900
900
#462F7E
oklch(37.7% 0.128 292.6)
-
Step 950
950
#291C4A
oklch(27% 0.082 293.1)
#5A39A4 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) | #0050A7 | 0.099 |
| Deuteranopia (no green cones) | #004DA2 | 0.099 |
| Tritanopia (no blue cones) | #455269 | 0.130 |
| Achromatopsia (no color) | #4F4F4F | 0.165 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5A39A4
#5A39A4
oklch(44.4% 0.164 292.7)
- #555900
#555900
oklch(44.5% 0.099 112.8)
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 #5A39A4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.031
- Blueberry #464196 ΔE 0.043
- Dark Slate Blue #483D8B ΔE 0.052
- Blue With A Hint Of Purple #533CC6 ΔE 0.056
- Bluey Purple #6241C7 ΔE 0.060
- Blurple #5539CC ΔE 0.065
- Chrysanthemum #560BAD ΔE 0.066
- Grape #7209B7 ΔE 0.075
Use #5A39A4 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.