#5F4191
Closest named color: Rebecca Purple (#663399). oklch(44.8% 0.128 298.4), rgb(95, 65, 145).
Aa
White text reads best on this color (7.91:1).
About this color
#5F4191 is a dark, moderately saturated purple. In OKLCH its lightness is 45%, its chroma 0.128 and its hue 298°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.036 away. White text reads best on it, at 7.91:1.
| Hue family | Purples |
| Lightness | dark (45%) |
| Chroma | moderately saturated (0.128) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.65:1 |
| White text | 7.91:1 |
Values
| HEX | #5F4191 |
| RGB | rgb(95, 65, 145) |
| HSL | hsl(263, 38%, 41%) |
| OKLCH | oklch(44.8% 0.128 298.4) |
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 #5F4191 | 7.91:1 | AAA | Lc -91.9 | Preferred for body text |
| Black text on #5F4191 | 2.65:1 | Fails | Lc 16.8 | Dividers and decoration only |
| #5F4191 text on white | 7.91:1 | AAA | Lc 87.2 | Fine for body text |
| #5F4191 text on black | 2.65:1 | Fails | Lc -14.9 | 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
#F6F4FB
oklch(97.1% 0.009 299.2)
-
Step 100
100
#EBE7F7
oklch(93.6% 0.022 297.4)
-
Step 200
200
#DCD4F2
oklch(88.6% 0.042 297.7)
-
Step 300
300
#C6B7EB
oklch(80.9% 0.074 297.9)
-
Step 400
400
#AA8FE1
oklch(70.6% 0.12 298.4)
-
Step 500
500
#9672D8
oklch(63.1% 0.151 298.2)
-
Step 600
600
#8157C6
oklch(55.5% 0.167 298.2)
-
Step 700
700
#6E47AB
oklch(49.2% 0.154 298.6)
-
Step 800
800 (this color)
#5F4191
oklch(44.8% 0.128 298.4)
-
Step 900
900
#49336F
oklch(37.7% 0.101 298.4)
-
Step 950
950
#2B1F41
oklch(27.2% 0.063 298.4)
#5F4191 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) | #215194 | 0.088 |
| Deuteranopia (no green cones) | #2A508F | 0.081 |
| Tritanopia (no blue cones) | #545162 | 0.100 |
| Achromatopsia (no color) | #515151 | 0.128 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5F4191
#5F4191
oklch(44.8% 0.128 298.4)
- #505C00
#505C00
oklch(44.9% 0.105 118.1)
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 #5F4191, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.036
- Blueberry #464196 ΔE 0.044
- Dark Slate Blue #483D8B ΔE 0.044
- Twilight #4E518B ΔE 0.050
- Dusk #4E5481 ΔE 0.066
- Denim Blue #3B5B92 ΔE 0.082
- Dusky Blue #475F94 ΔE 0.084
- Light Eggplant #894585 ΔE 0.084
Use #5F4191 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.