#513F5C
Closest named color: Purple Brown (#673A3F). oklch(39.9% 0.053 312.2), rgb(81, 63, 92).
Aa
White text reads best on this color (9.47:1).
About this color
#513F5C is a dark, muted purple. In OKLCH its lightness is 40%, its chroma 0.053 and its hue 312°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.060 away. White text reads best on it, at 9.47:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | muted (0.053) |
| Temperature | in between |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.21:1 |
| White text | 9.47:1 |
Values
| HEX | #513F5C |
| RGB | rgb(81, 63, 92) |
| HSL | hsl(277, 19%, 30%) |
| OKLCH | oklch(39.9% 0.053 312.2) |
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 #513F5C | 9.47:1 | AAA | Lc -96.2 | Preferred for body text |
| Black text on #513F5C | 2.21:1 | Fails | Lc 12.1 | Not readable |
| #513F5C text on white | 9.47:1 | AAA | Lc 91.9 | Preferred for body text |
| #513F5C text on black | 2.21:1 | Fails | Lc -10.5 | 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
#ECE8EF
oklch(93.6% 0.01 311.2)
-
Step 200
200
#DED5E4
oklch(88.5% 0.022 312.2)
-
Step 300
300
#C9BAD4
oklch(80.9% 0.04 311.1)
-
Step 400
400
#AE96BE
oklch(70.8% 0.063 311.7)
-
Step 500
500
#9A7BAD
oklch(63% 0.081 312.2)
-
Step 600
600
#856499
oklch(55.7% 0.088 312.1)
-
Step 700
700
#705382
oklch(49.1% 0.081 311.9)
-
Step 800
800
#5C446A
oklch(42.8% 0.068 312.5)
-
Step 900
900 (this color)
#513F5C
oklch(39.9% 0.053 312.2)
-
Step 950
950
#2C2232
oklch(27.1% 0.032 312.5)
#513F5C 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) | #3A455D | 0.040 |
| Deuteranopia (no green cones) | #3E465B | 0.037 |
| Tritanopia (no blue cones) | #504349 | 0.038 |
| Achromatopsia (no color) | #464646 | 0.053 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #513F5C
#513F5C
oklch(39.9% 0.053 312.2)
- #3D4D2F
#3D4D2F
oklch(39.8% 0.052 131.2)
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 #513F5C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.060
- Charcoal Grey #3C4142 ΔE 0.061
- Dark Grey Blue #29465B ΔE 0.062
- Charcoal #264653 ΔE 0.070
- Onyx #343A40 ΔE 0.072
- Dusty Grape #545775 ΔE 0.073
- Dusk #4E5481 ΔE 0.075
- Brownish Purple #76424E ΔE 0.076
Use #513F5C 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.