#5F3091
Closest named color: Rebecca Purple (#663399). oklch(42.2% 0.154 302.5), rgb(95, 48, 145).
Aa
White text reads best on this color (9.05:1).
About this color
#5F3091 is a dark, vivid purple. In OKLCH its lightness is 42%, its chroma 0.154 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 0.020 away. White text reads best on it, at 9.05:1.
| Hue family | Purples |
| Lightness | dark (42%) |
| Chroma | vivid (0.154) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.31:1 |
| White text | 9.05:1 |
Values
| HEX | #5F3091 |
| RGB | rgb(95, 48, 145) |
| HSL | hsl(269, 50%, 38%) |
| OKLCH | oklch(42.2% 0.154 302.5) |
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 #5F3091 | 9.05:1 | AAA | Lc -94.7 | Preferred for body text |
| Black text on #5F3091 | 2.31:1 | Fails | Lc 13.7 | Not readable |
| #5F3091 text on white | 9.05:1 | AAA | Lc 90.3 | Preferred for body text |
| #5F3091 text on black | 2.31:1 | 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
#F7F4FC
oklch(97.2% 0.011 303.1)
-
Step 100
100
#EDE6F9
oklch(93.6% 0.026 302.6)
-
Step 200
200
#DFD2F5
oklch(88.5% 0.049 302.3)
-
Step 300
300
#CCB3F1
oklch(80.9% 0.09 302.9)
-
Step 400
400
#B289EA
oklch(70.7% 0.143 302.4)
-
Step 500
500
#A067E3
oklch(63% 0.184 302.7)
-
Step 600
600
#8C4BD1
oklch(55.7% 0.199 302.7)
-
Step 700
700
#773BB5
oklch(49.2% 0.185 302.7)
-
Step 800
800 (this color)
#5F3091
oklch(42.2% 0.154 302.5)
-
Step 900
900
#4F2D75
oklch(37.7% 0.12 302.8)
-
Step 950
950
#2E1B44
oklch(26.9% 0.076 303.1)
#5F3091 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) | #004894 | 0.117 |
| Deuteranopia (no green cones) | #0A488F | 0.115 |
| Tritanopia (no blue cones) | #55455C | 0.113 |
| Achromatopsia (no color) | #494949 | 0.155 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5F3091
#5F3091
oklch(42.2% 0.154 302.5)
- #445600
#445600
oklch(42.3% 0.103 122.5)
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 #5F3091, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.020
- Dark Slate Blue #483D8B ΔE 0.050
- Blueberry #464196 ΔE 0.056
- Chrysanthemum #560BAD ΔE 0.070
- Grape #7209B7 ΔE 0.079
- Imperial Purple #480CA8 ΔE 0.081
- Twilight #4E518B ΔE 0.085
- Indigo #4B0082 ΔE 0.087
Use #5F3091 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.