#613A57
Closest named color: Purple Brown (#673A3F). oklch(40.6% 0.07 336.8), rgb(97, 58, 87).
Aa
White text reads best on this color (9.32:1).
About this color
#613A57 is a dark, muted purple. In OKLCH its lightness is 41%, its chroma 0.070 and its hue 337°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.042 away. White text reads best on it, at 9.32:1.
| Hue family | Purples |
| Lightness | dark (41%) |
| Chroma | muted (0.070) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.25:1 |
| White text | 9.32:1 |
Values
| HEX | #613A57 |
| RGB | rgb(97, 58, 87) |
| HSL | hsl(315, 25%, 30%) |
| OKLCH | oklch(40.6% 0.07 336.8) |
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 #613A57 | 9.32:1 | AAA | Lc -95.7 | Preferred for body text |
| Black text on #613A57 | 2.25:1 | Fails | Lc 12.6 | Not readable |
| #613A57 text on white | 9.32:1 | AAA | Lc 91.4 | Preferred for body text |
| #613A57 text on black | 2.25:1 | Fails | Lc -11.0 | 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
#F8F4F7
oklch(97.1% 0.006 334)
-
Step 100
100
#EFE7ED
oklch(93.6% 0.012 334.1)
-
Step 200
200
#E3D4DF
oklch(88.5% 0.022 335)
-
Step 300
300
#D3B7CA
oklch(80.9% 0.041 337.7)
-
Step 400
400
#BC91B0
oklch(70.7% 0.067 336.6)
-
Step 500
500
#AA769C
oklch(63.1% 0.083 336.8)
-
Step 600
600
#955E87
oklch(55.6% 0.091 336.6)
-
Step 700
700
#7F4D72
oklch(49% 0.085 337)
-
Step 800
800 (this color)
#613A57
oklch(40.6% 0.07 336.8)
-
Step 900
900
#54364C
oklch(37.6% 0.054 336.9)
-
Step 950
950
#31202D
oklch(27% 0.034 335.2)
#613A57 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) | #3B4358 | 0.069 |
| Deuteranopia (no green cones) | #444956 | 0.065 |
| Tritanopia (no blue cones) | #653B45 | 0.033 |
| Achromatopsia (no color) | #474747 | 0.070 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #613A57
#613A57
oklch(40.6% 0.07 336.8)
- #25543A
#25543A
oklch(40.5% 0.068 157.2)
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 #613A57, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.042
- Brownish Purple #76424E ΔE 0.053
- Charcoal Grey #3C4142 ΔE 0.082
- Dusty Grape #545775 ΔE 0.085
- Grape Purple #5D1451 ΔE 0.086
- Velvet #750851 ΔE 0.090
- Dusk #4E5481 ΔE 0.090
- Dark Mauve #874C62 ΔE 0.092
Use #613A57 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.