#5B348F
Closest named color: Rebecca Purple (#663399). oklch(42.1% 0.145 299.9), rgb(91, 52, 143).
Aa
White text reads best on this color (9.00:1).
About this color
#5B348F is a dark, vivid purple. In OKLCH its lightness is 42%, its chroma 0.145 and its hue 300°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.026 away. White text reads best on it, at 9.00:1.
| Hue family | Purples |
| Lightness | dark (42%) |
| Chroma | vivid (0.145) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.33:1 |
| White text | 9.00:1 |
Values
| HEX | #5B348F |
| RGB | rgb(91, 52, 143) |
| HSL | hsl(266, 47%, 38%) |
| OKLCH | oklch(42.1% 0.145 299.9) |
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 #5B348F | 9.00:1 | AAA | Lc -94.7 | Preferred for body text |
| Black text on #5B348F | 2.33:1 | Fails | Lc 13.7 | Not readable |
| #5B348F text on white | 9.00:1 | AAA | Lc 90.2 | Preferred for body text |
| #5B348F text on black | 2.33:1 | Fails | Lc -12.0 | 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
#F6F4FC
oklch(97.1% 0.011 297.6)
-
Step 100
100
#ECE7F8
oklch(93.7% 0.023 299.4)
-
Step 200
200
#DDD3F4
oklch(88.5% 0.046 299.3)
-
Step 300
300
#C9B5F0
oklch(81% 0.084 300)
-
Step 400
400
#AE8CE8
oklch(70.8% 0.135 300)
-
Step 500
500
#9B6CE1
oklch(63.2% 0.173 300)
-
Step 600
600
#8650CF
oklch(55.6% 0.189 299.8)
-
Step 700
700
#7240B3
oklch(49.1% 0.175 300)
-
Step 800
800 (this color)
#5B348F
oklch(42.1% 0.145 299.9)
-
Step 900
900
#4C3074
oklch(37.8% 0.113 300)
-
Step 950
950
#2C1D44
oklch(27.1% 0.071 299.4)
#5B348F 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) | #004992 | 0.108 |
| Deuteranopia (no green cones) | #10488D | 0.103 |
| Tritanopia (no blue cones) | #50485C | 0.111 |
| Achromatopsia (no color) | #494949 | 0.146 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B348F
#5B348F
oklch(42.1% 0.145 299.9)
- #475500
#475500
oklch(42.2% 0.1 120)
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 #5B348F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.026
- Dark Slate Blue #483D8B ΔE 0.039
- Blueberry #464196 ΔE 0.046
- Chrysanthemum #560BAD ΔE 0.075
- Twilight #4E518B ΔE 0.076
- Imperial Purple #480CA8 ΔE 0.084
- Grape #7209B7 ΔE 0.088
- Indigo #4B0082 ΔE 0.090
Use #5B348F 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.