#5F339C
Closest named color: Rebecca Purple (#663399). oklch(43.4% 0.163 298.6), rgb(95, 51, 156).
Aa
White text reads best on this color (8.60:1).
About this color
#5F339C is a dark, vivid purple. In OKLCH its lightness is 43%, its chroma 0.163 and its hue 299°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.015 away. White text reads best on it, at 8.60:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | vivid (0.163) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.44:1 |
| White text | 8.60:1 |
Values
| HEX | #5F339C |
| RGB | rgb(95, 51, 156) |
| HSL | hsl(265, 51%, 41%) |
| OKLCH | oklch(43.4% 0.163 298.6) |
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 #5F339C | 8.60:1 | AAA | Lc -93.6 | Preferred for body text |
| Black text on #5F339C | 2.44:1 | Fails | Lc 15.0 | Not readable |
| #5F339C text on white | 8.60:1 | AAA | Lc 89.0 | Fine for body text |
| #5F339C text on black | 2.44:1 | Fails | Lc -13.2 | 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
#F6F4FD
oklch(97.1% 0.012 296.4)
-
Step 100
100
#ECE6FA
oklch(93.6% 0.027 299.5)
-
Step 200
200
#DDD2F8
oklch(88.5% 0.053 298.5)
-
Step 300
300
#C8B3F6
oklch(80.8% 0.096 298.6)
-
Step 400
400
#AE89F2
oklch(70.7% 0.153 298.7)
-
Step 500
500
#9B67ED
oklch(63.1% 0.195 298.6)
-
Step 600
600
#8749DB
oklch(55.6% 0.212 298.8)
-
Step 700
700
#7239BE
oklch(49% 0.196 298.4)
-
Step 800
800 (this color)
#5F339C
oklch(43.4% 0.163 298.6)
-
Step 900
900
#4C2D7A
oklch(37.8% 0.126 298.8)
-
Step 950
950
#2C1B48
oklch(27% 0.081 298.2)
#5F339C 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) | #004C9F | 0.113 |
| Deuteranopia (no green cones) | #004B9A | 0.113 |
| Tritanopia (no blue cones) | #514B63 | 0.123 |
| Achromatopsia (no color) | #4C4C4C | 0.164 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5F339C
#5F339C
oklch(43.4% 0.163 298.6)
- #4C5800
#4C5800
oklch(43.5% 0.102 118.5)
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 #5F339C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.015
- Blueberry #464196 ΔE 0.052
- Dark Slate Blue #483D8B ΔE 0.053
- Chrysanthemum #560BAD ΔE 0.063
- Grape #7209B7 ΔE 0.069
- Blue With A Hint Of Purple #533CC6 ΔE 0.073
- Bluey Purple #6241C7 ΔE 0.074
- Imperial Purple #480CA8 ΔE 0.078
Use #5F339C 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.