#613648
Closest named color: Purple Brown (#673A3F). oklch(39.2% 0.066 354), rgb(97, 54, 72).
Aa
White text reads best on this color (9.86:1).
About this color
#613648 is a dark, muted red. In OKLCH its lightness is 39%, its chroma 0.066 and its hue 354°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.025 away. White text reads best on it, at 9.86:1.
| Hue family | Reds |
| Lightness | dark (39%) |
| Chroma | muted (0.066) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.12:1 |
| White text | 9.86:1 |
Values
| HEX | #613648 |
| RGB | rgb(97, 54, 72) |
| HSL | hsl(335, 28%, 30%) |
| OKLCH | oklch(39.2% 0.066 354) |
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 #613648 | 9.86:1 | AAA | Lc -96.9 | Preferred for body text |
| Black text on #613648 | 2.12:1 | Fails | Lc 11.3 | Not readable |
| #613648 text on white | 9.86:1 | AAA | Lc 92.7 | Preferred for body text |
| #613648 text on black | 2.12:1 | Fails | Lc -9.8 | 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 900.
-
Step 50
50
#F9F4F6
oklch(97.2% 0.006 350.8)
-
Step 100
100
#F2E6EA
oklch(93.6% 0.014 355)
-
Step 200
200
#E9D2DA
oklch(88.5% 0.028 354.6)
-
Step 300
300
#DCB4C3
oklch(81% 0.05 353.8)
-
Step 400
400
#C88CA4
oklch(70.6% 0.079 353.6)
-
Step 500
500
#B96F8E
oklch(63.1% 0.101 353.7)
-
Step 600
600
#A45678
oklch(55.6% 0.11 353.7)
-
Step 700
700
#8C4665
oklch(49.1% 0.102 353.6)
-
Step 800
800
#723A52
oklch(42.7% 0.084 354.2)
-
Step 900
900 (this color)
#613648
oklch(39.2% 0.066 354)
-
Step 950
950
#361E28
oklch(27% 0.04 353.6)
#613648 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) | #3B3F49 | 0.071 |
| Deuteranopia (no green cones) | #464647 | 0.065 |
| Tritanopia (no blue cones) | #67343C | 0.022 |
| Achromatopsia (no color) | #434343 | 0.067 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #613648
#613648
oklch(39.2% 0.066 354)
- #135143
#135143
oklch(39.2% 0.066 174.2)
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 #613648, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.025
- Brownish Purple #76424E ΔE 0.056
- Charcoal Grey #3C4142 ΔE 0.075
- Grape Purple #5D1451 ΔE 0.084
- Onyx #343A40 ΔE 0.085
- Chestnut #742802 ΔE 0.086
- Merlot #730039 ΔE 0.087
- Velvet #750851 ΔE 0.089
Use #613648 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.