#513B53
Closest named color: Purple Brown (#673A3F). oklch(38.6% 0.049 323.7), rgb(81, 59, 83).
Aa
White text reads best on this color (9.99:1).
About this color
#513B53 is a dark, muted purple. In OKLCH its lightness is 39%, its chroma 0.049 and its hue 324°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.053 away. White text reads best on it, at 9.99:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | muted (0.049) |
| Temperature | in between |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.10:1 |
| White text | 9.99:1 |
Values
| HEX | #513B53 |
| RGB | rgb(81, 59, 83) |
| HSL | hsl(295, 17%, 28%) |
| OKLCH | oklch(38.6% 0.049 323.7) |
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 #513B53 | 9.99:1 | AAA | Lc -97.3 | Preferred for body text |
| Black text on #513B53 | 2.10:1 | Fails | Lc 10.8 | Not readable |
| #513B53 text on white | 9.99:1 | AAA | Lc 93.2 | Preferred for body text |
| #513B53 text on black | 2.10:1 | Fails | Lc -9.3 | 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
#E0D5E1
oklch(88.5% 0.02 323.2)
-
Step 300
300
#CDB9CE
oklch(80.9% 0.036 324.5)
-
Step 400
400
#B395B6
oklch(70.8% 0.058 323.2)
-
Step 500
500
#A07AA4
oklch(63.1% 0.076 323.2)
-
Step 600
600
#8B638F
oklch(55.7% 0.081 323.5)
-
Step 700
700
#765279
oklch(49.2% 0.075 324)
-
Step 800
800
#604363
oklch(42.7% 0.063 323.4)
-
Step 900
900 (this color)
#513B53
oklch(38.6% 0.049 323.7)
-
Step 950
950
#2E212F
oklch(26.9% 0.031 324)
#513B53 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) | #394154 | 0.043 |
| Deuteranopia (no green cones) | #3E4352 | 0.039 |
| Tritanopia (no blue cones) | #523D43 | 0.030 |
| Achromatopsia (no color) | #424242 | 0.050 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #513B53
#513B53
oklch(38.6% 0.049 323.7)
- #344B33
#344B33
oklch(38.6% 0.049 143.6)
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 #513B53, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.053
- Charcoal Grey #3C4142 ΔE 0.054
- Onyx #343A40 ΔE 0.063
- Dark Grey Blue #29465B ΔE 0.066
- Charcoal #264653 ΔE 0.071
- Brownish Purple #76424E ΔE 0.077
- Dark Slate Gray #2F4F4F ΔE 0.080
- Dark Blue Grey #1F3B4D ΔE 0.080
Use #513B53 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.