#56397A
Closest named color: Dark Slate Blue (#483D8B). oklch(40.9% 0.108 302.5), rgb(86, 57, 122).
Aa
White text reads best on this color (9.28:1).
About this color
#56397A is a dark, moderately saturated purple. In OKLCH its lightness is 41%, its chroma 0.108 and its hue 302°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.037 away. White text reads best on it, at 9.28:1.
| Hue family | Purples |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.108) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.26:1 |
| White text | 9.28:1 |
Values
| HEX | #56397A |
| RGB | rgb(86, 57, 122) |
| HSL | hsl(267, 36%, 35%) |
| OKLCH | oklch(40.9% 0.108 302.5) |
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 #56397A | 9.28:1 | AAA | Lc -95.6 | Preferred for body text |
| Black text on #56397A | 2.26:1 | Fails | Lc 12.8 | Not readable |
| #56397A text on white | 9.28:1 | AAA | Lc 91.2 | Preferred for body text |
| #56397A text on black | 2.26:1 | Fails | Lc -11.1 | 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
#F6F4FA
oklch(97% 0.008 301.4)
-
Step 100
100
#ECE7F4
oklch(93.6% 0.018 303.4)
-
Step 200
200
#DDD4ED
oklch(88.5% 0.035 302)
-
Step 300
300
#C8B7E3
oklch(80.8% 0.064 302.6)
-
Step 400
400
#AD91D5
oklch(70.7% 0.102 302.8)
-
Step 500
500
#9975CA
oklch(63.2% 0.129 302.4)
-
Step 600
600
#845CB6
oklch(55.7% 0.139 302.6)
-
Step 700
700
#704B9D
oklch(49.2% 0.131 302.7)
-
Step 800
800 (this color)
#56397A
oklch(40.9% 0.108 302.5)
-
Step 900
900
#4A3566
oklch(37.6% 0.084 302.3)
-
Step 950
950
#2C203C
oklch(27.2% 0.053 302.8)
#56397A 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) | #24477C | 0.078 |
| Deuteranopia (no green cones) | #2C4778 | 0.072 |
| Tritanopia (no blue cones) | #4F4554 | 0.081 |
| Achromatopsia (no color) | #474747 | 0.109 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #56397A
#56397A
oklch(40.9% 0.108 302.5)
- #415200
#415200
oklch(40.9% 0.1 122.3)
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 #56397A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.037
- Blueberry #464196 ΔE 0.055
- Rebecca Purple #663399 ΔE 0.061
- Twilight #4E518B ΔE 0.066
- Dusk #4E5481 ΔE 0.073
- Cobalt #1E488F ΔE 0.087
- Dusty Grape #545775 ΔE 0.087
- Dusk Blue #26538D ΔE 0.091
Use #56397A 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.