#5F40A1
Closest named color: Rebecca Purple (#663399). oklch(45.8% 0.15 294.4), rgb(95, 64, 161).
Aa
White text reads best on this color (7.67:1).
About this color
#5F40A1 is a medium-dark, vivid purple. In OKLCH its lightness is 46%, its chroma 0.150 and its hue 294°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.032 away. White text reads best on it, at 7.67:1.
| Hue family | Purples |
| Lightness | medium-dark (46%) |
| Chroma | vivid (0.150) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.73:1 |
| White text | 7.67:1 |
Values
| HEX | #5F40A1 |
| RGB | rgb(95, 64, 161) |
| HSL | hsl(259, 43%, 44%) |
| OKLCH | oklch(45.8% 0.15 294.4) |
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 #5F40A1 | 7.67:1 | AAA | Lc -91.1 | Preferred for body text |
| Black text on #5F40A1 | 2.73:1 | Fails | Lc 17.7 | Dividers and decoration only |
| #5F40A1 text on white | 7.67:1 | AAA | Lc 86.3 | Fine for body text |
| #5F40A1 text on black | 2.73:1 | Fails | Lc -15.8 | Dividers and decoration only |
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
#EAE7FA
oklch(93.6% 0.026 293.1)
-
Step 200
200
#DAD3F7
oklch(88.4% 0.05 294.3)
-
Step 300
300
#C4B6F4
oklch(80.9% 0.088 294.7)
-
Step 400
400
#A78DEF
oklch(70.7% 0.142 294.7)
-
Step 500
500
#926EE9
oklch(63.1% 0.179 294.2)
-
Step 600
600
#7E52D7
oklch(55.6% 0.195 294.4)
-
Step 700
700
#6B41BB
oklch(49.1% 0.182 294.6)
-
Step 800
800 (this color)
#5F40A1
oklch(45.8% 0.15 294.4)
-
Step 900
900
#473178
oklch(37.7% 0.116 294.4)
-
Step 950
950
#291D46
oklch(26.9% 0.074 294.4)
#5F40A1 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) | #0054A4 | 0.101 |
| Deuteranopia (no green cones) | #0F529F | 0.097 |
| Tritanopia (no blue cones) | #4E556A | 0.119 |
| Achromatopsia (no color) | #535353 | 0.151 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5F40A1
#5F40A1
oklch(45.8% 0.15 294.4)
- #575D00
#575D00
oklch(45.7% 0.103 114.1)
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 #5F40A1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.032
- Blueberry #464196 ΔE 0.046
- Dark Slate Blue #483D8B ΔE 0.054
- Bluey Purple #6241C7 ΔE 0.060
- Blue With A Hint Of Purple #533CC6 ΔE 0.064
- Twilight #4E518B ΔE 0.064
- Blurple #5539CC ΔE 0.073
- Iris #6258C4 ΔE 0.076
Use #5F40A1 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.