#56399D
Closest named color: Rebecca Purple (#663399). oklch(43.5% 0.155 292.1), rgb(86, 57, 157).
Aa
White text reads best on this color (8.50:1).
About this color
#56399D is a dark, vivid purple. In OKLCH its lightness is 43%, its chroma 0.155 and its hue 292°. 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 8.50:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | vivid (0.155) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.46:1 |
| White text | 8.50:1 |
Values
| HEX | #56399D |
| RGB | rgb(86, 57, 157) |
| HSL | hsl(257, 47%, 42%) |
| OKLCH | oklch(43.5% 0.155 292.1) |
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 #56399D | 8.50:1 | AAA | Lc -93.4 | Preferred for body text |
| Black text on #56399D | 2.46:1 | Fails | Lc 15.1 | Dividers and decoration only |
| #56399D text on white | 8.50:1 | AAA | Lc 88.8 | Fine for body text |
| #56399D text on black | 2.46:1 | Fails | Lc -13.4 | 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
#F5F4FD
oklch(97% 0.012 291.3)
-
Step 100
100
#EAE7FA
oklch(93.6% 0.026 293.1)
-
Step 200
200
#D9D4F8
oklch(88.5% 0.049 291.7)
-
Step 300
300
#C1B6F7
oklch(80.8% 0.091 292)
-
Step 400
400
#A38EF3
oklch(70.7% 0.145 291.8)
-
Step 500
500
#8F6EEE
oklch(63.2% 0.185 292.1)
-
Step 600
600
#7A52DC
oklch(55.6% 0.2 291.9)
-
Step 700
700
#6741BF
oklch(49% 0.187 291.9)
-
Step 800
800 (this color)
#56399D
oklch(43.5% 0.155 292.1)
-
Step 900
900
#45317B
oklch(37.7% 0.121 292.1)
-
Step 950
950
#281D48
oklch(26.9% 0.077 292.2)
#56399D 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) | #004EA0 | 0.094 |
| Deuteranopia (no green cones) | #004B9B | 0.094 |
| Tritanopia (no blue cones) | #415065 | 0.125 |
| Achromatopsia (no color) | #4D4D4D | 0.155 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #56399D
#56399D
oklch(43.5% 0.155 292.1)
- #535600
#535600
oklch(43.6% 0.097 112.1)
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 #56399D, 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 0.033
- Dark Slate Blue #483D8B ΔE 0.039
- Blue With A Hint Of Purple #533CC6 ΔE 0.066
- Chrysanthemum #560BAD ΔE 0.068
- Twilight #4E518B ΔE 0.071
- Bluey Purple #6241C7 ΔE 0.072
- Blurple #5539CC ΔE 0.075
Use #56399D 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.