#613C53
Closest named color: Purple Brown (#673A3F). oklch(40.8% 0.062 342.3), rgb(97, 60, 83).
Aa
White text reads best on this color (9.21:1).
About this color
#613C53 is a dark, muted purple. In OKLCH its lightness is 41%, its chroma 0.062 and its hue 342°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.034 away. White text reads best on it, at 9.21:1.
| Hue family | Purples |
| Lightness | dark (41%) |
| Chroma | muted (0.062) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.27:1 |
| White text | 9.21:1 |
Values
| HEX | #613C53 |
| RGB | rgb(97, 60, 83) |
| HSL | hsl(323, 24%, 31%) |
| OKLCH | oklch(40.8% 0.062 342.3) |
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 #613C53 | 9.21:1 | AAA | Lc -95.5 | Preferred for body text |
| Black text on #613C53 | 2.27:1 | Fails | Lc 12.9 | Not readable |
| #613C53 text on white | 9.21:1 | AAA | Lc 91.1 | Preferred for body text |
| #613C53 text on black | 2.27:1 | Fails | Lc -11.2 | 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
#F8F4F6
oklch(97.1% 0.005 345.3)
-
Step 100
100
#EFE7EC
oklch(93.6% 0.011 339.3)
-
Step 200
200
#E3D4DD
oklch(88.5% 0.02 340.7)
-
Step 300
300
#D2B8C7
oklch(80.9% 0.036 342.3)
-
Step 400
400
#BB93AB
oklch(70.8% 0.058 342)
-
Step 500
500
#A97896
oklch(63.1% 0.073 342.1)
-
Step 600
600
#946080
oklch(55.6% 0.08 342.5)
-
Step 700
700
#7E4F6C
oklch(49% 0.075 342.6)
-
Step 800
800 (this color)
#613C53
oklch(40.8% 0.062 342.3)
-
Step 900
900
#543749
oklch(37.7% 0.05 342)
-
Step 950
950
#31202B
oklch(26.9% 0.032 340.5)
#613C53 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) | #3E4454 | 0.064 |
| Deuteranopia (no green cones) | #474A52 | 0.059 |
| Tritanopia (no blue cones) | #653C44 | 0.026 |
| Achromatopsia (no color) | #484848 | 0.062 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #613C53
#613C53
oklch(40.8% 0.062 342.3)
- #275440
#275440
oklch(40.7% 0.061 162.8)
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 #613C53, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.034
- Brownish Purple #76424E ΔE 0.048
- Charcoal Grey #3C4142 ΔE 0.076
- Dusty Grape #545775 ΔE 0.083
- Onyx #343A40 ΔE 0.090
- Dark Mauve #874C62 ΔE 0.090
- Dusk #4E5481 ΔE 0.090
- Dark Grey Blue #29465B ΔE 0.091
Use #613C53 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.