#5F3683
Closest named color: Rebecca Purple (#663399). oklch(42.1% 0.128 306.3), rgb(95, 54, 131).
Aa
White text reads best on this color (8.96:1).
About this color
#5F3683 is a dark, moderately saturated purple. In OKLCH its lightness is 42%, its chroma 0.128 and its hue 306°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.039 away. White text reads best on it, at 8.96:1.
| Hue family | Purples |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.128) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.34:1 |
| White text | 8.96:1 |
Values
| HEX | #5F3683 |
| RGB | rgb(95, 54, 131) |
| HSL | hsl(272, 42%, 36%) |
| OKLCH | oklch(42.1% 0.128 306.3) |
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 #5F3683 | 8.96:1 | AAA | Lc -94.7 | Preferred for body text |
| Black text on #5F3683 | 2.34:1 | Fails | Lc 13.7 | Not readable |
| #5F3683 text on white | 8.96:1 | AAA | Lc 90.2 | Preferred for body text |
| #5F3683 text on black | 2.34:1 | Fails | Lc -12.1 | 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
#F7F4FB
oklch(97.1% 0.01 305.4)
-
Step 100
100
#EDE6F6
oklch(93.5% 0.023 305.6)
-
Step 200
200
#E0D3EF
oklch(88.6% 0.04 306.5)
-
Step 300
300
#CDB5E7
oklch(81% 0.074 306.6)
-
Step 400
400
#B38CDB
oklch(70.6% 0.119 306.2)
-
Step 500
500
#A16ED1
oklch(63.2% 0.152 306.3)
-
Step 600
600
#8C53BE
oklch(55.6% 0.166 306.3)
-
Step 700
700
#7743A4
oklch(49.1% 0.154 306.3)
-
Step 800
800 (this color)
#5F3683
oklch(42.1% 0.128 306.3)
-
Step 900
900
#4F316B
oklch(37.7% 0.1 306.1)
-
Step 950
950
#2E1D3E
oklch(26.9% 0.063 306.4)
#5F3683 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) | #194886 | 0.103 |
| Deuteranopia (no green cones) | #294A81 | 0.093 |
| Tritanopia (no blue cones) | #594557 | 0.093 |
| Achromatopsia (no color) | #494949 | 0.128 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5F3683
#5F3683
oklch(42.1% 0.128 306.3)
- #3E5700
#3E5700
oklch(42.1% 0.108 126.4)
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 #5F3683, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.039
- Dark Slate Blue #483D8B ΔE 0.045
- Blueberry #464196 ΔE 0.057
- Twilight #4E518B ΔE 0.072
- Dusk #4E5481 ΔE 0.083
- Purple #800080 ΔE 0.089
- Light Eggplant #894585 ΔE 0.093
- Chrysanthemum #560BAD ΔE 0.096
Use #5F3683 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.