#513559
Closest named color: Purple Brown (#673A3F). oklch(37.7% 0.069 318.5), rgb(81, 53, 89).
Aa
White text reads best on this color (10.48:1).
About this color
#513559 is a dark, muted purple. In OKLCH its lightness is 38%, its chroma 0.069 and its hue 319°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.068 away. White text reads best on it, at 10.48:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | muted (0.069) |
| Temperature | in between |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.00:1 |
| White text | 10.48:1 |
Values
| HEX | #513559 |
| RGB | rgb(81, 53, 89) |
| HSL | hsl(287, 25%, 28%) |
| OKLCH | oklch(37.7% 0.069 318.5) |
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 #513559 | 10.48:1 | AAA | Lc -98.2 | Preferred for body text |
| Black text on #513559 | 2.00:1 | Fails | Lc 9.7 | Not readable |
| #513559 text on white | 10.48:1 | AAA | Lc 94.2 | Preferred for body text |
| #513559 text on black | 2.00:1 | Fails | Lc -8.4 | 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 900.
-
Step 50
50
#F7F4F8
oklch(97.1% 0.006 317.8)
-
Step 100
100
#EEE7F0
oklch(93.6% 0.014 318.7)
-
Step 200
200
#E2D3E6
oklch(88.5% 0.03 319.1)
-
Step 300
300
#CFB7D7
oklch(81% 0.051 317.7)
-
Step 400
400
#B790C2
oklch(70.7% 0.083 318.7)
-
Step 500
500
#A574B3
oklch(63.1% 0.107 318.6)
-
Step 600
600
#905C9E
oklch(55.7% 0.115 318.9)
-
Step 700
700
#7A4B87
oklch(49% 0.107 318.7)
-
Step 800
800
#633E6E
oklch(42.7% 0.089 318.2)
-
Step 900
900 (this color)
#513559
oklch(37.7% 0.069 318.5)
-
Step 950
950
#301F34
oklch(27% 0.045 319.8)
#513559 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) | #303D5A | 0.059 |
| Deuteranopia (no green cones) | #374058 | 0.053 |
| Tritanopia (no blue cones) | #513943 | 0.044 |
| Achromatopsia (no color) | #3F3F3F | 0.070 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #513559
#513559
oklch(37.7% 0.069 318.5)
- #2E4A25
#2E4A25
oklch(37.6% 0.069 138.4)
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 #513559, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.068
- Charcoal Grey #3C4142 ΔE 0.072
- Grape Purple #5D1451 ΔE 0.073
- Onyx #343A40 ΔE 0.073
- Dark Grey Blue #29465B ΔE 0.076
- Charcoal #264653 ΔE 0.083
- Dark Slate Blue #483D8B ΔE 0.085
- Gunmetal #293241 ΔE 0.085
Use #513559 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.