#513657
Closest named color: Purple Brown (#673A3F). oklch(37.8% 0.065 320.2), rgb(81, 54, 87).
Aa
White text reads best on this color (10.42:1).
About this color
#513657 is a dark, muted purple. In OKLCH its lightness is 38%, its chroma 0.065 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 0.064 away. White text reads best on it, at 10.42:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | muted (0.065) |
| Temperature | in between |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.01:1 |
| White text | 10.42:1 |
Values
| HEX | #513657 |
| RGB | rgb(81, 54, 87) |
| HSL | hsl(289, 23%, 28%) |
| OKLCH | oklch(37.8% 0.065 320.2) |
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 #513657 | 10.42:1 | AAA | Lc -98.1 | Preferred for body text |
| Black text on #513657 | 2.01:1 | Fails | Lc 9.8 | Not readable |
| #513657 text on white | 10.42:1 | AAA | Lc 94.1 | Preferred for body text |
| #513657 text on black | 2.01:1 | Fails | Lc -8.5 | 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
#EEE7F0
oklch(93.6% 0.014 318.7)
-
Step 200
200
#E1D4E4
oklch(88.5% 0.026 319.9)
-
Step 300
300
#CFB7D4
oklch(80.9% 0.048 320.4)
-
Step 400
400
#B791BF
oklch(70.7% 0.078 320.4)
-
Step 500
500
#A475AF
oklch(63% 0.1 319.9)
-
Step 600
600
#8F5D9A
oklch(55.5% 0.108 320.2)
-
Step 700
700
#7A4D84
oklch(49.2% 0.1 320.2)
-
Step 800
800
#633F6B
oklch(42.7% 0.083 320.2)
-
Step 900
900 (this color)
#513657
oklch(37.8% 0.065 320.2)
-
Step 950
950
#2F2033
oklch(27% 0.04 319)
#513657 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) | #323E58 | 0.056 |
| Deuteranopia (no green cones) | #394156 | 0.051 |
| Tritanopia (no blue cones) | #523A42 | 0.042 |
| Achromatopsia (no color) | #404040 | 0.065 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #513657
#513657
oklch(37.8% 0.065 320.2)
- #2E4A29
#2E4A29
oklch(37.7% 0.064 140.7)
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 #513657, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.064
- Charcoal Grey #3C4142 ΔE 0.068
- Onyx #343A40 ΔE 0.070
- Dark Grey Blue #29465B ΔE 0.074
- Grape Purple #5D1451 ΔE 0.076
- Charcoal #264653 ΔE 0.081
- Dark Blue Grey #1F3B4D ΔE 0.084
- Gunmetal #293241 ΔE 0.084
Use #513657 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.