#5B38AC
Closest named color: Rebecca Purple (#663399). oklch(45% 0.175 291.7), rgb(91, 56, 172).
Aa
White text reads best on this color (8.05:1).
About this color
#5B38AC is a medium-dark, vivid purple. In OKLCH its lightness is 45%, its chroma 0.175 and its hue 292°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.038 away. White text reads best on it, at 8.05:1.
| Hue family | Purples |
| Lightness | medium-dark (45%) |
| Chroma | vivid (0.175) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.60:1 |
| White text | 8.05:1 |
Values
| HEX | #5B38AC |
| RGB | rgb(91, 56, 172) |
| HSL | hsl(258, 51%, 45%) |
| OKLCH | oklch(45% 0.175 291.7) |
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 #5B38AC | 8.05:1 | AAA | Lc -92.1 | Preferred for body text |
| Black text on #5B38AC | 2.60:1 | Fails | Lc 16.7 | Dividers and decoration only |
| #5B38AC text on white | 8.05:1 | AAA | Lc 87.3 | Fine for body text |
| #5B38AC text on black | 2.60:1 | Fails | Lc -14.8 | 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
#EAE7FD
oklch(93.7% 0.03 292.1)
-
Step 200
200
#D9D3FC
oklch(88.5% 0.056 291.9)
-
Step 300
300
#C1B5FE
oklch(80.9% 0.102 291.5)
-
Step 400
400
#A48BFD
oklch(70.8% 0.163 291.8)
-
Step 500
500
#9068FB
oklch(63.2% 0.209 291.8)
-
Step 600
600
#7C49EA
oklch(55.6% 0.228 291.8)
-
Step 700
700
#6938CB
oklch(49% 0.211 291.9)
-
Step 800
800 (this color)
#5B38AC
oklch(45% 0.175 291.7)
-
Step 900
900
#452D82
oklch(37.6% 0.136 291.5)
-
Step 950
950
#281C4C
oklch(27% 0.085 291.2)
#5B38AC 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) | #0052B0 | 0.101 |
| Deuteranopia (no green cones) | #004EAA | 0.099 |
| Tritanopia (no blue cones) | #42546D | 0.139 |
| Achromatopsia (no color) | #505050 | 0.176 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B38AC
#5B38AC
oklch(45% 0.175 291.7)
- #575A00
#575A00
oklch(45% 0.1 112)
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 #5B38AC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.038
- Blue With A Hint Of Purple #533CC6 ΔE 0.045
- Bluey Purple #6241C7 ΔE 0.049
- Blurple #5539CC ΔE 0.053
- Blueberry #464196 ΔE 0.053
- Chrysanthemum #560BAD ΔE 0.063
- Dark Slate Blue #483D8B ΔE 0.063
- Purple Blue #5D21D0 ΔE 0.064
Use #5B38AC 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.