#613D66
Closest named color: Brownish Purple (#76424E). oklch(41.8% 0.08 322.5), rgb(97, 61, 102).
Aa
White text reads best on this color (8.86:1).
About this color
#613D66 is a dark, moderately saturated purple. In OKLCH its lightness is 42%, its chroma 0.080 and its hue 322°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Brownish Purple (#76424E), ΔE 0.063 away. White text reads best on it, at 8.86:1.
| Hue family | Purples |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.080) |
| Temperature | in between |
| Nearest name | Brownish Purple (#76424E) |
| Black text | 2.36:1 |
| White text | 8.86:1 |
Values
| HEX | #613D66 |
| RGB | rgb(97, 61, 102) |
| HSL | hsl(293, 25%, 32%) |
| OKLCH | oklch(41.8% 0.08 322.5) |
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 #613D66 | 8.86:1 | AAA | Lc -94.6 | Preferred for body text |
| Black text on #613D66 | 2.36:1 | Fails | Lc 13.8 | Not readable |
| #613D66 text on white | 8.86:1 | AAA | Lc 90.2 | Preferred for body text |
| #613D66 text on black | 2.36:1 | Fails | Lc -12.1 | 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 800.
-
Step 50
50
#F7F4F8
oklch(97.1% 0.006 317.8)
-
Step 100
100
#EEE7EF
oklch(93.6% 0.013 321.9)
-
Step 200
200
#E2D4E3
oklch(88.6% 0.025 323.8)
-
Step 300
300
#D0B7D3
oklch(80.9% 0.047 322.6)
-
Step 400
400
#B791BC
oklch(70.6% 0.075 322.5)
-
Step 500
500
#A576AB
oklch(63.2% 0.094 322.7)
-
Step 600
600
#905E97
oklch(55.7% 0.103 322.4)
-
Step 700
700
#7A4D81
oklch(49.1% 0.096 322)
-
Step 800
800 (this color)
#613D66
oklch(41.8% 0.08 322.5)
-
Step 900
900
#513655
oklch(37.7% 0.062 322.2)
-
Step 950
950
#302032
oklch(27.1% 0.04 322.8)
#613D66 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) | #384768 | 0.071 |
| Deuteranopia (no green cones) | #424B65 | 0.064 |
| Tritanopia (no blue cones) | #62424C | 0.050 |
| Achromatopsia (no color) | #4A4A4A | 0.080 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #613D66
#613D66
oklch(41.8% 0.08 322.5)
- #31572E
#31572E
oklch(41.7% 0.079 142.5)
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 #613D66, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brownish Purple #76424E ΔE 0.063
- Purple Brown #673A3F ΔE 0.064
- Dusk #4E5481 ΔE 0.073
- Dusty Grape #545775 ΔE 0.073
- Twilight #4E518B ΔE 0.077
- Dark Slate Blue #483D8B ΔE 0.077
- Dark Mauve #874C62 ΔE 0.089
- YInMn Blue #415A77 ΔE 0.090
Use #613D66 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.