#613F4B
Closest named color: Purple Brown (#673A3F). oklch(41.1% 0.05 356.7), rgb(97, 63, 75).
Aa
White text reads best on this color (9.04:1).
About this color
#613F4B is a dark, muted red. In OKLCH its lightness is 41%, its chroma 0.050 and its hue 357°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.022 away. White text reads best on it, at 9.04:1.
| Hue family | Reds |
| Lightness | dark (41%) |
| Chroma | muted (0.050) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.32:1 |
| White text | 9.04:1 |
Values
| HEX | #613F4B |
| RGB | rgb(97, 63, 75) |
| HSL | hsl(339, 21%, 31%) |
| OKLCH | oklch(41.1% 0.05 356.7) |
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 #613F4B | 9.04:1 | AAA | Lc -95.1 | Preferred for body text |
| Black text on #613F4B | 2.32:1 | Fails | Lc 13.3 | Not readable |
| #613F4B text on white | 9.04:1 | AAA | Lc 90.7 | Preferred for body text |
| #613F4B text on black | 2.32:1 | Fails | Lc -11.6 | 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
#F8F4F5
oklch(97.1% 0.004 360)
-
Step 100
100
#EFE8EA
oklch(93.7% 0.008 357.8)
-
Step 200
200
#E3D5D9
oklch(88.5% 0.016 358.1)
-
Step 300
300
#D1B9C1
oklch(80.8% 0.029 355.6)
-
Step 400
400
#BA95A1
oklch(70.7% 0.047 357)
-
Step 500
500
#A87B8A
oklch(63.2% 0.059 357.2)
-
Step 600
600
#936374
oklch(55.6% 0.066 356.6)
-
Step 700
700
#7D5261
oklch(49.1% 0.061 357)
-
Step 800
800 (this color)
#613F4B
oklch(41.1% 0.05 356.7)
-
Step 900
900
#533942
oklch(37.7% 0.039 356.7)
-
Step 950
950
#312127
oklch(27% 0.027 354.7)
#613F4B 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) | #43454B | 0.055 |
| Deuteranopia (no green cones) | #4B4B4A | 0.051 |
| Tritanopia (no blue cones) | #663D43 | 0.015 |
| Achromatopsia (no color) | #494949 | 0.051 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #613F4B
#613F4B
oklch(41.1% 0.05 356.7)
- #29544A
#29544A
oklch(41.2% 0.051 176.6)
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 #613F4B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.022
- Brownish Purple #76424E ΔE 0.043
- Charcoal Grey #3C4142 ΔE 0.069
- Dusty Grape #545775 ΔE 0.083
- Onyx #343A40 ΔE 0.086
- Dark Slate Gray #2F4F4F ΔE 0.087
- Mud Brown #60460F ΔE 0.088
- Dark Mauve #874C62 ΔE 0.089
Use #613F4B 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.