#513556
Closest named color: Purple Brown (#673A3F). oklch(37.5% 0.065 321.3), rgb(81, 53, 86).
Aa
White text reads best on this color (10.53:1).
About this color
#513556 is a dark, muted purple. In OKLCH its lightness is 38%, its chroma 0.065 and its hue 321°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.064 away. White text reads best on it, at 10.53:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | muted (0.065) |
| Temperature | in between |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 1.99:1 |
| White text | 10.53:1 |
Values
| HEX | #513556 |
| RGB | rgb(81, 53, 86) |
| HSL | hsl(291, 24%, 27%) |
| OKLCH | oklch(37.5% 0.065 321.3) |
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 #513556 | 10.53:1 | AAA | Lc -98.3 | Preferred for body text |
| Black text on #513556 | 1.99:1 | Fails | Lc 9.6 | Not readable |
| #513556 text on white | 10.53:1 | AAA | Lc 94.3 | Preferred for body text |
| #513556 text on black | 1.99:1 | Fails | Lc -8.2 | 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
#F8F4F8
oklch(97.1% 0.007 325.6)
-
Step 100
100
#EEE7F0
oklch(93.6% 0.014 318.7)
-
Step 200
200
#E2D4E4
oklch(88.6% 0.026 321.9)
-
Step 300
300
#D0B7D4
oklch(81% 0.049 321.6)
-
Step 400
400
#B891BE
oklch(70.8% 0.078 321.9)
-
Step 500
500
#A575AE
oklch(63.1% 0.099 321.1)
-
Step 600
600
#905D9A
oklch(55.7% 0.108 320.9)
-
Step 700
700
#7B4C83
oklch(49.1% 0.101 321.6)
-
Step 800
800
#643F6B
oklch(42.8% 0.084 321.1)
-
Step 900
900 (this color)
#513556
oklch(37.5% 0.065 321.3)
-
Step 950
950
#302033
oklch(27.2% 0.041 321.1)
#513556 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) | #313D57 | 0.057 |
| Deuteranopia (no green cones) | #384055 | 0.052 |
| Tritanopia (no blue cones) | #523941 | 0.042 |
| Achromatopsia (no color) | #3F3F3F | 0.066 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #513556
#513556
oklch(37.5% 0.065 321.3)
- #2D4A28
#2D4A28
oklch(37.6% 0.066 140.8)
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 #513556, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.064
- Charcoal Grey #3C4142 ΔE 0.068
- Onyx #343A40 ΔE 0.070
- Grape Purple #5D1451 ΔE 0.074
- Dark Grey Blue #29465B ΔE 0.075
- Charcoal #264653 ΔE 0.082
- Gunmetal #293241 ΔE 0.083
- Space Cadet #2B2D42 ΔE 0.083
Use #513556 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.