#613B68
Closest named color: Brownish Purple (#76424E). oklch(41.6% 0.086 321.2), rgb(97, 59, 104).
Aa
White text reads best on this color (8.99:1).
About this color
#613B68 is a dark, moderately saturated purple. In OKLCH its lightness is 42%, its chroma 0.086 and its hue 321°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Brownish Purple (#76424E), ΔE 0.068 away. White text reads best on it, at 8.99:1.
| Hue family | Purples |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.086) |
| Temperature | in between |
| Nearest name | Brownish Purple (#76424E) |
| Black text | 2.33:1 |
| White text | 8.99:1 |
Values
| HEX | #613B68 |
| RGB | rgb(97, 59, 104) |
| HSL | hsl(291, 28%, 32%) |
| OKLCH | oklch(41.6% 0.086 321.2) |
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 #613B68 | 8.99:1 | AAA | Lc -94.9 | Preferred for body text |
| Black text on #613B68 | 2.33:1 | Fails | Lc 13.5 | Not readable |
| #613B68 text on white | 8.99:1 | AAA | Lc 90.5 | Preferred for body text |
| #613B68 text on black | 2.33:1 | Fails | Lc -11.8 | 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
#F8F4F8
oklch(97.1% 0.007 325.6)
-
Step 100
100
#EEE7F0
oklch(93.6% 0.014 318.7)
-
Step 200
200
#E2D3E5
oklch(88.4% 0.029 320.6)
-
Step 300
300
#D0B6D5
oklch(80.8% 0.051 320.8)
-
Step 400
400
#B890BF
oklch(70.6% 0.081 321.3)
-
Step 500
500
#A674AF
oklch(63.1% 0.103 321.3)
-
Step 600
600
#915C9B
oklch(55.7% 0.112 321.1)
-
Step 700
700
#7B4B84
oklch(49% 0.104 321.1)
-
Step 800
800 (this color)
#613B68
oklch(41.6% 0.086 321.2)
-
Step 900
900
#523557
oklch(37.7% 0.067 321.5)
-
Step 950
950
#301F33
oklch(26.9% 0.043 321.4)
#613B68 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) | #35466A | 0.077 |
| Deuteranopia (no green cones) | #3F4B67 | 0.070 |
| Tritanopia (no blue cones) | #62404C | 0.054 |
| Achromatopsia (no color) | #494949 | 0.087 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #613B68
#613B68
oklch(41.6% 0.086 321.2)
- #2F5729
#2F5729
oklch(41.5% 0.086 141.2)
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 #613B68, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brownish Purple #76424E ΔE 0.068
- Purple Brown #673A3F ΔE 0.069
- Dark Slate Blue #483D8B ΔE 0.074
- Dusk #4E5481 ΔE 0.076
- Twilight #4E518B ΔE 0.078
- Dusty Grape #545775 ΔE 0.078
- Rebecca Purple #663399 ΔE 0.086
- Blueberry #464196 ΔE 0.089
Use #613B68 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.