#513E57
Closest named color: Purple Brown (#673A3F). oklch(39.4% 0.048 317.9), rgb(81, 62, 87).
Aa
White text reads best on this color (9.64:1).
About this color
#513E57 is a dark, muted purple. In OKLCH its lightness is 39%, its chroma 0.048 and its hue 318°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.055 away. White text reads best on it, at 9.64:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | muted (0.048) |
| Temperature | in between |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.17:1 |
| White text | 9.64:1 |
Values
| HEX | #513E57 |
| RGB | rgb(81, 62, 87) |
| HSL | hsl(286, 17%, 29%) |
| OKLCH | oklch(39.4% 0.048 317.9) |
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 #513E57 | 9.64:1 | AAA | Lc -96.5 | Preferred for body text |
| Black text on #513E57 | 2.17:1 | Fails | Lc 11.6 | Not readable |
| #513E57 text on white | 9.64:1 | AAA | Lc 92.3 | Preferred for body text |
| #513E57 text on black | 2.17:1 | Fails | Lc -10.1 | 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 900.
-
Step 50
50
#F7F4F7
oklch(97% 0.005 325.6)
-
Step 100
100
#EDE8EE
oklch(93.7% 0.01 320.5)
-
Step 200
200
#DFD5E2
oklch(88.5% 0.021 318.4)
-
Step 300
300
#CBBAD0
oklch(81% 0.036 318.5)
-
Step 400
400
#B096B8
oklch(70.8% 0.057 318.2)
-
Step 500
500
#9C7CA7
oklch(63.2% 0.073 317.3)
-
Step 600
600
#876492
oklch(55.6% 0.081 317.9)
-
Step 700
700
#72537C
oklch(49.1% 0.074 317.7)
-
Step 800
800
#5D4465
oklch(42.7% 0.062 317.8)
-
Step 900
900 (this color)
#513E57
oklch(39.4% 0.048 317.9)
-
Step 950
950
#2D2230
oklch(27.1% 0.03 318.9)
#513E57 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) | #3B4358 | 0.038 |
| Deuteranopia (no green cones) | #3F4556 | 0.036 |
| Tritanopia (no blue cones) | #514147 | 0.032 |
| Achromatopsia (no color) | #454545 | 0.048 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #513E57
#513E57
oklch(39.4% 0.048 317.9)
- #394C33
#394C33
oklch(39.3% 0.047 138.3)
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 #513E57, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.055
- Charcoal Grey #3C4142 ΔE 0.055
- Dark Grey Blue #29465B ΔE 0.062
- Onyx #343A40 ΔE 0.067
- Charcoal #264653 ΔE 0.069
- Brownish Purple #76424E ΔE 0.075
- Dark Slate Gray #2F4F4F ΔE 0.076
- Dusty Grape #545775 ΔE 0.079
Use #513E57 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.