#56138D
Closest named color: Indigo (#4B0082). oklch(37.6% 0.18 302.7), rgb(86, 19, 141).
Aa
White text reads best on this color (11.20:1).
About this color
#56138D is a dark, vivid purple. In OKLCH its lightness is 38%, its chroma 0.180 and its hue 303°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Indigo (#4B0082), ΔE 0.037 away. White text reads best on it, at 11.20:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | vivid (0.180) |
| Temperature | in between |
| Nearest name | Indigo (#4B0082) |
| Black text | 1.87:1 |
| White text | 11.20:1 |
Values
| HEX | #56138D |
| RGB | rgb(86, 19, 141) |
| HSL | hsl(273, 76%, 31%) |
| OKLCH | oklch(37.6% 0.18 302.7) |
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 #56138D | 11.20:1 | AAA | Lc -98.5 | Preferred for body text |
| Black text on #56138D | 1.87:1 | Fails | Lc 9.3 | Not readable |
| #56138D text on white | 11.20:1 | AAA | Lc 94.6 | Preferred for body text |
| #56138D text on black | 1.87:1 | Fails | Lc -8.0 | 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 900.
-
Step 50
50
#F7F3FF
oklch(97.1% 0.016 301.2)
-
Step 100
100
#EEE4FF
oklch(93.5% 0.038 302.5)
-
Step 200
200
#E2CFFF
oklch(88.5% 0.068 303.1)
-
Step 300
300
#CFAEFF
oklch(80.8% 0.117 302.6)
-
Step 400
400
#B87EFF
oklch(70.6% 0.188 302.6)
-
Step 500
500
#A953FF
oklch(63.1% 0.243 302.9)
-
Step 600
600
#9900FB
oklch(55.6% 0.292 302.7)
-
Step 700
700
#8100D5
oklch(49.1% 0.258 302.7)
-
Step 800
800
#6A00B0
oklch(42.7% 0.224 302.8)
-
Step 900
900 (this color)
#56138D
oklch(37.6% 0.18 302.7)
-
Step 950
950
#321053
oklch(27% 0.114 302.3)
#56138D 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) | #003A90 | 0.124 |
| Deuteranopia (no green cones) | #003B8B | 0.125 |
| Tritanopia (no blue cones) | #4A3753 | 0.129 |
| Achromatopsia (no color) | #3B3B3B | 0.181 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #56138D
#56138D
oklch(37.6% 0.18 302.7)
- #394800
#394800
oklch(37.5% 0.091 122.2)
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 #56138D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Indigo #4B0082 ΔE 0.037
- Chrysanthemum #560BAD ΔE 0.053
- Imperial Purple #480CA8 ΔE 0.057
- Royal Purple #4B006E ΔE 0.063
- Rebecca Purple #663399 ΔE 0.068
- Dark Slate Blue #483D8B ΔE 0.080
- Grape #7209B7 ΔE 0.086
- Indigo Blue #3A18B1 ΔE 0.087
Use #56138D 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.