#5C40A7
Closest named color: Rebecca Purple (#663399). oklch(45.9% 0.158 291.5), rgb(92, 64, 167).
Aa
White text reads best on this color (7.64:1).
About this color
#5C40A7 is a medium-dark, vivid purple. In OKLCH its lightness is 46%, its chroma 0.158 and its hue 291°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.038 away. White text reads best on it, at 7.64:1.
| Hue family | Purples |
| Lightness | medium-dark (46%) |
| Chroma | vivid (0.158) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.74:1 |
| White text | 7.64:1 |
Values
| HEX | #5C40A7 |
| RGB | rgb(92, 64, 167) |
| HSL | hsl(256, 45%, 45%) |
| OKLCH | oklch(45.9% 0.158 291.5) |
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 #5C40A7 | 7.64:1 | AAA | Lc -91.0 | Preferred for body text |
| Black text on #5C40A7 | 2.74:1 | Fails | Lc 17.8 | Dividers and decoration only |
| #5C40A7 text on white | 7.64:1 | AAA | Lc 86.2 | Fine for body text |
| #5C40A7 text on black | 2.74:1 | Fails | Lc -15.9 | 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 700.
-
Step 50
50
#F5F4FC
oklch(97% 0.011 292)
-
Step 100
100
#EAE8F8
oklch(93.7% 0.022 291.7)
-
Step 200
200
#D9D5F4
oklch(88.6% 0.042 291.4)
-
Step 300
300
#C1B8EF
oklch(80.9% 0.077 292.1)
-
Step 400
400
#A292E7
oklch(70.8% 0.123 291.6)
-
Step 500
500
#8C75DF
oklch(63.2% 0.155 291.3)
-
Step 600
600
#775BCD
oklch(55.7% 0.169 291.2)
-
Step 700
700 (this color)
#5C40A7
oklch(45.9% 0.158 291.5)
-
Step 800
800
#523D90
oklch(42.7% 0.132 291.5)
-
Step 900
900
#433573
oklch(37.7% 0.103 291.1)
-
Step 950
950
#272043
oklch(27.1% 0.064 290.7)
#5C40A7 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) | #0055AA | 0.096 |
| Deuteranopia (no green cones) | #0051A5 | 0.096 |
| Tritanopia (no blue cones) | #46576D | 0.127 |
| Achromatopsia (no color) | #535353 | 0.159 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5C40A7
#5C40A7
oklch(45.9% 0.158 291.5)
- #5A5D00
#5A5D00
oklch(46% 0.102 111.9)
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 #5C40A7, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.038
- Blueberry #464196 ΔE 0.046
- Bluey Purple #6241C7 ΔE 0.052
- Blue With A Hint Of Purple #533CC6 ΔE 0.053
- Dark Slate Blue #483D8B ΔE 0.058
- Blurple #5539CC ΔE 0.062
- Twilight #4E518B ΔE 0.069
- Iris #6258C4 ΔE 0.071
Use #5C40A7 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.