#513B56
Closest named color: Purple Brown (#673A3F). oklch(38.7% 0.053 320), rgb(81, 59, 86).
Aa
White text reads best on this color (9.95:1).
About this color
#513B56 is a dark, muted purple. In OKLCH its lightness is 39%, its chroma 0.053 and its hue 320°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.056 away. White text reads best on it, at 9.95:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | muted (0.053) |
| Temperature | in between |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.10:1 |
| White text | 9.95:1 |
Values
| HEX | #513B56 |
| RGB | rgb(81, 59, 86) |
| HSL | hsl(289, 19%, 28%) |
| OKLCH | oklch(38.7% 0.053 320) |
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 #513B56 | 9.95:1 | AAA | Lc -97.2 | Preferred for body text |
| Black text on #513B56 | 2.10:1 | Fails | Lc 10.9 | Not readable |
| #513B56 text on white | 9.95:1 | AAA | Lc 93.0 | Preferred for body text |
| #513B56 text on black | 2.10:1 | Fails | Lc -9.4 | 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
#EDE7EF
oklch(93.5% 0.012 317.7)
-
Step 200
200
#E0D5E2
oklch(88.6% 0.021 321)
-
Step 300
300
#CCB9D1
oklch(80.9% 0.039 319.2)
-
Step 400
400
#B394BA
oklch(70.7% 0.065 320)
-
Step 500
500
#A079A8
oklch(63.1% 0.082 320.6)
-
Step 600
600
#8A6293
oklch(55.6% 0.087 320.1)
-
Step 700
700
#75517E
oklch(49.1% 0.082 319.4)
-
Step 800
800
#5F4266
oklch(42.6% 0.068 319.7)
-
Step 900
900 (this color)
#513B56
oklch(38.7% 0.053 320)
-
Step 950
950
#2E2131
oklch(27% 0.034 319.9)
#513B56 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) | #384157 | 0.044 |
| Deuteranopia (no green cones) | #3D4355 | 0.040 |
| Tritanopia (no blue cones) | #513E45 | 0.033 |
| Achromatopsia (no color) | #434343 | 0.053 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #513B56
#513B56
oklch(38.7% 0.053 320)
- #354B30
#354B30
oklch(38.6% 0.052 139.9)
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 #513B56, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.056
- Charcoal Grey #3C4142 ΔE 0.058
- Onyx #343A40 ΔE 0.066
- Dark Grey Blue #29465B ΔE 0.066
- Charcoal #264653 ΔE 0.072
- Brownish Purple #76424E ΔE 0.078
- Dark Blue Grey #1F3B4D ΔE 0.081
- Dark Slate Gray #2F4F4F ΔE 0.082
Use #513B56 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.