#613E55
Closest named color: Purple Brown (#673A3F). oklch(41.3% 0.06 340.4), rgb(97, 62, 85).
Aa
White text reads best on this color (9.01:1).
About this color
#613E55 is a dark, muted purple. In OKLCH its lightness is 41%, its chroma 0.060 and its hue 340°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.036 away. White text reads best on it, at 9.01:1.
| Hue family | Purples |
| Lightness | dark (41%) |
| Chroma | muted (0.060) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.32:1 |
| White text | 9.01:1 |
Values
| HEX | #613E55 |
| RGB | rgb(97, 62, 85) |
| HSL | hsl(321, 22%, 31%) |
| OKLCH | oklch(41.3% 0.06 340.4) |
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 #613E55 | 9.01:1 | AAA | Lc -95.0 | Preferred for body text |
| Black text on #613E55 | 2.32:1 | Fails | Lc 13.4 | Not readable |
| #613E55 text on white | 9.01:1 | AAA | Lc 90.6 | Preferred for body text |
| #613E55 text on black | 2.32:1 | Fails | Lc -11.7 | 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
#D1B8C8
oklch(80.9% 0.036 339.3)
-
Step 400
400
#B993AB
oklch(70.6% 0.056 340.4)
-
Step 500
500
#A77997
oklch(63.1% 0.07 340.1)
-
Step 600
600
#926181
oklch(55.5% 0.077 340.5)
-
Step 700
700
#7C506D
oklch(49% 0.072 340.4)
-
Step 800
800 (this color)
#613E55
oklch(41.3% 0.06 340.4)
-
Step 900
900
#533849
oklch(37.8% 0.046 341.4)
-
Step 950
950
#30212B
oklch(27% 0.029 339.3)
#613E55 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) | #3F4656 | 0.061 |
| Deuteranopia (no green cones) | #484B54 | 0.056 |
| Tritanopia (no blue cones) | #653E46 | 0.026 |
| Achromatopsia (no color) | #494949 | 0.060 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #613E55
#613E55
oklch(41.3% 0.06 340.4)
- #2B5540
#2B5540
oklch(41.2% 0.06 160.4)
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 #613E55, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.036
- Brownish Purple #76424E ΔE 0.046
- Charcoal Grey #3C4142 ΔE 0.076
- Dusty Grape #545775 ΔE 0.077
- Dusk #4E5481 ΔE 0.085
- Dark Mauve #874C62 ΔE 0.086
- Dark Grey Blue #29465B ΔE 0.090
- Onyx #343A40 ΔE 0.091
Use #613E55 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.