#613646
Closest named color: Purple Brown (#673A3F). oklch(39.2% 0.065 356.7), rgb(97, 54, 70).
Aa
White text reads best on this color (9.88:1).
About this color
#613646 is a dark, muted red. In OKLCH its lightness is 39%, its chroma 0.065 and its hue 357°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.023 away. White text reads best on it, at 9.88:1.
| Hue family | Reds |
| Lightness | dark (39%) |
| Chroma | muted (0.065) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.12:1 |
| White text | 9.88:1 |
Values
| HEX | #613646 |
| RGB | rgb(97, 54, 70) |
| HSL | hsl(338, 28%, 30%) |
| OKLCH | oklch(39.2% 0.065 356.7) |
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 #613646 | 9.88:1 | AAA | Lc -96.9 | Preferred for body text |
| Black text on #613646 | 2.12:1 | Fails | Lc 11.2 | Not readable |
| #613646 text on white | 9.88:1 | AAA | Lc 92.7 | Preferred for body text |
| #613646 text on black | 2.12:1 | Fails | Lc -9.7 | 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 900.
-
Step 50
50
#F9F4F5
oklch(97.1% 0.006 3.3)
-
Step 100
100
#F2E6EA
oklch(93.6% 0.014 355)
-
Step 200
200
#E9D2D9
oklch(88.5% 0.027 357.3)
-
Step 300
300
#DCB4C1
oklch(80.9% 0.049 356.8)
-
Step 400
400
#C98CA1
oklch(70.6% 0.079 357)
-
Step 500
500
#B96F8B
oklch(63% 0.1 356.1)
-
Step 600
600
#A45674
oklch(55.5% 0.108 356.8)
-
Step 700
700
#8D4662
oklch(49.1% 0.101 356.5)
-
Step 800
800
#723A50
oklch(42.6% 0.083 356.3)
-
Step 900
900 (this color)
#613646
oklch(39.2% 0.065 356.7)
-
Step 950
950
#361E27
oklch(27% 0.04 356.1)
#613646 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) | #3C3E47 | 0.070 |
| Deuteranopia (no green cones) | #464645 | 0.066 |
| Tritanopia (no blue cones) | #67343C | 0.019 |
| Achromatopsia (no color) | #434343 | 0.066 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #613646
#613646
oklch(39.2% 0.065 356.7)
- #125145
#125145
oklch(39.3% 0.065 177)
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 #613646, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.023
- Brownish Purple #76424E ΔE 0.056
- Charcoal Grey #3C4142 ΔE 0.074
- Chestnut #742802 ΔE 0.083
- Onyx #343A40 ΔE 0.084
- Grape Purple #5D1451 ΔE 0.086
- Merlot #730039 ΔE 0.087
- Bordeaux #7B002C ΔE 0.089
Use #613646 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.