#5B2F89
Closest named color: Rebecca Purple (#663399). oklch(41% 0.145 303), rgb(91, 47, 137).
Aa
White text reads best on this color (9.49:1).
About this color
#5B2F89 is a dark, vivid purple. In OKLCH its lightness is 41%, its chroma 0.145 and its hue 303°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.035 away. White text reads best on it, at 9.49:1.
| Hue family | Purples |
| Lightness | dark (41%) |
| Chroma | vivid (0.145) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.21:1 |
| White text | 9.49:1 |
Values
| HEX | #5B2F89 |
| RGB | rgb(91, 47, 137) |
| HSL | hsl(269, 49%, 36%) |
| OKLCH | oklch(41% 0.145 303) |
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 #5B2F89 | 9.49:1 | AAA | Lc -95.8 | Preferred for body text |
| Black text on #5B2F89 | 2.21:1 | Fails | Lc 12.5 | Not readable |
| #5B2F89 text on white | 9.49:1 | AAA | Lc 91.5 | Preferred for body text |
| #5B2F89 text on black | 2.21:1 | Fails | Lc -10.9 | 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
#F7F4FC
oklch(97.2% 0.011 303.1)
-
Step 100
100
#EDE6F8
oklch(93.6% 0.025 303.5)
-
Step 200
200
#DFD2F3
oklch(88.4% 0.047 303.3)
-
Step 300
300
#CBB4EE
oklch(80.9% 0.084 302.7)
-
Step 400
400
#B28AE6
oklch(70.7% 0.136 303.1)
-
Step 500
500
#9F6ADE
oklch(63.1% 0.173 302.9)
-
Step 600
600
#8B4ECB
oklch(55.6% 0.188 303.3)
-
Step 700
700
#763EB0
oklch(49.1% 0.175 303.1)
-
Step 800
800 (this color)
#5B2F89
oklch(41% 0.145 303)
-
Step 900
900
#4E2F72
oklch(37.7% 0.113 302.7)
-
Step 950
950
#2E1C43
oklch(27% 0.072 303.2)
#5B2F89 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) | #00458C | 0.113 |
| Deuteranopia (no green cones) | #124587 | 0.107 |
| Tritanopia (no blue cones) | #524257 | 0.107 |
| Achromatopsia (no color) | #464646 | 0.146 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B2F89
#5B2F89
oklch(41% 0.145 303)
- #405200
#405200
oklch(40.8% 0.1 123)
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 #5B2F89, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.035
- Dark Slate Blue #483D8B ΔE 0.045
- Blueberry #464196 ΔE 0.056
- Chrysanthemum #560BAD ΔE 0.076
- Indigo #4B0082 ΔE 0.079
- Imperial Purple #480CA8 ΔE 0.083
- Twilight #4E518B ΔE 0.086
- Purple #800080 ΔE 0.089
Use #5B2F89 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.