#613F44
Closest named color: Purple Brown (#673A3F). oklch(40.8% 0.048 9.8), rgb(97, 63, 68).
Aa
White text reads best on this color (9.11:1).
About this color
#613F44 is a dark, muted red. In OKLCH its lightness is 41%, its chroma 0.048 and its hue 10°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.016 away. White text reads best on it, at 9.11:1.
| Hue family | Reds |
| Lightness | dark (41%) |
| Chroma | muted (0.048) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.30:1 |
| White text | 9.11:1 |
Values
| HEX | #613F44 |
| RGB | rgb(97, 63, 68) |
| HSL | hsl(351, 21%, 31%) |
| OKLCH | oklch(40.8% 0.048 9.8) |
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 #613F44 | 9.11:1 | AAA | Lc -95.3 | Preferred for body text |
| Black text on #613F44 | 2.30:1 | Fails | Lc 13.1 | Not readable |
| #613F44 text on white | 9.11:1 | AAA | Lc 90.9 | Preferred for body text |
| #613F44 text on black | 2.30:1 | Fails | Lc -11.4 | 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
#EFE8E8
oklch(93.6% 0.008 17.3)
-
Step 200
200
#E3D5D7
oklch(88.5% 0.016 7.5)
-
Step 300
300
#D2BABC
oklch(81% 0.028 12)
-
Step 400
400
#BB959A
oklch(70.6% 0.046 9.5)
-
Step 500
500
#A97B82
oklch(63.1% 0.058 8.8)
-
Step 600
600
#94646B
oklch(55.6% 0.063 9.7)
-
Step 700
700
#7E5359
oklch(49.1% 0.058 10.3)
-
Step 800
800 (this color)
#613F44
oklch(40.8% 0.048 9.8)
-
Step 900
900
#53393D
oklch(37.6% 0.037 8.8)
-
Step 950
950
#312224
oklch(27.1% 0.023 9.8)
#613F44 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) | #454444 | 0.051 |
| Deuteranopia (no green cones) | #4D4B43 | 0.049 |
| Tritanopia (no blue cones) | #673C41 | 0.013 |
| Achromatopsia (no color) | #484848 | 0.049 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #613F44
#613F44
oklch(40.8% 0.048 9.8)
- #285250
#285250
oklch(40.8% 0.047 191.4)
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 #613F44, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.016
- Brownish Purple #76424E ΔE 0.045
- Charcoal Grey #3C4142 ΔE 0.066
- Mud Brown #60460F ΔE 0.077
- Chestnut #742802 ΔE 0.082
- Onyx #343A40 ΔE 0.085
- Dark Slate Gray #2F4F4F ΔE 0.086
- Dusty Grape #545775 ΔE 0.090
Use #613F44 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.