#613F64
Closest named color: Brownish Purple (#76424E). oklch(42.1% 0.073 323.9), rgb(97, 63, 100).
Aa
White text reads best on this color (8.73:1).
About this color
#613F64 is a dark, moderately saturated purple. In OKLCH its lightness is 42%, its chroma 0.073 and its hue 324°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Brownish Purple (#76424E), ΔE 0.058 away. White text reads best on it, at 8.73:1.
| Hue family | Purples |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.073) |
| Temperature | in between |
| Nearest name | Brownish Purple (#76424E) |
| Black text | 2.40:1 |
| White text | 8.73:1 |
Values
| HEX | #613F64 |
| RGB | rgb(97, 63, 100) |
| HSL | hsl(295, 23%, 32%) |
| OKLCH | oklch(42.1% 0.073 323.9) |
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 #613F64 | 8.73:1 | AAA | Lc -94.3 | Preferred for body text |
| Black text on #613F64 | 2.40:1 | Fails | Lc 14.2 | Not readable |
| #613F64 text on white | 8.73:1 | AAA | Lc 89.8 | Fine for body text |
| #613F64 text on black | 2.40:1 | Fails | Lc -12.4 | 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 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
#E1D4E2
oklch(88.5% 0.024 323.6)
-
Step 300
300
#CFB8D1
oklch(81% 0.043 323.5)
-
Step 400
400
#B692B9
oklch(70.6% 0.069 323.8)
-
Step 500
500
#A477A8
oklch(63.1% 0.088 323.8)
-
Step 600
600
#8F5F93
oklch(55.6% 0.096 324.1)
-
Step 700
700
#794F7D
oklch(49.2% 0.087 323.7)
-
Step 800
800 (this color)
#613F64
oklch(42.1% 0.073 323.9)
-
Step 900
900
#513753
oklch(37.8% 0.057 324.2)
-
Step 950
950
#2F2030
oklch(26.9% 0.036 324.4)
#613F64 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) | #3B4865 | 0.066 |
| Deuteranopia (no green cones) | #444C63 | 0.060 |
| Tritanopia (no blue cones) | #63434D | 0.044 |
| Achromatopsia (no color) | #4B4B4B | 0.074 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #613F64
#613F64
oklch(42.1% 0.073 323.9)
- #335833
#335833
oklch(42.2% 0.074 144.1)
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 #613F64, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brownish Purple #76424E ΔE 0.058
- Purple Brown #673A3F ΔE 0.060
- Dusty Grape #545775 ΔE 0.068
- Dusk #4E5481 ΔE 0.070
- Twilight #4E518B ΔE 0.076
- Dark Slate Blue #483D8B ΔE 0.081
- Dark Mauve #874C62 ΔE 0.085
- YInMn Blue #415A77 ΔE 0.086
Use #613F64 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.