#613D35
Closest named color: Purple Brown (#673A3F). oklch(40% 0.053 33.1), rgb(97, 61, 53).
Aa
White text reads best on this color (9.42:1).
About this color
#613D35 is a dark, muted red. In OKLCH its lightness is 40%, its chroma 0.053 and its hue 33°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.024 away. White text reads best on it, at 9.42:1.
| Hue family | Reds |
| Lightness | dark (40%) |
| Chroma | muted (0.053) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.22:1 |
| White text | 9.42:1 |
Values
| HEX | #613D35 |
| RGB | rgb(97, 61, 53) |
| HSL | hsl(11, 29%, 29%) |
| OKLCH | oklch(40% 0.053 33.1) |
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 #613D35 | 9.42:1 | AAA | Lc -96.0 | Preferred for body text |
| Black text on #613D35 | 2.22:1 | Fails | Lc 12.3 | Not readable |
| #613D35 text on white | 9.42:1 | AAA | Lc 91.7 | Preferred for body text |
| #613D35 text on black | 2.22:1 | Fails | Lc -10.7 | 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
#F9F4F3
oklch(97.1% 0.006 31.1)
-
Step 100
100
#F1E7E5
oklch(93.5% 0.011 31.1)
-
Step 200
200
#E7D4D0
oklch(88.4% 0.022 31.8)
-
Step 300
300
#D9B8B0
oklch(80.9% 0.04 33.9)
-
Step 400
400
#C59387
oklch(70.8% 0.063 33.9)
-
Step 500
500
#B57769
oklch(63% 0.081 33.3)
-
Step 600
600
#A05F51
oklch(55.5% 0.088 33)
-
Step 700
700
#894E42
oklch(49% 0.082 32.4)
-
Step 800
800
#6F4136
oklch(42.7% 0.067 34.3)
-
Step 900
900 (this color)
#613D35
oklch(40% 0.053 33.1)
-
Step 950
950
#35201C
oklch(26.9% 0.034 31.2)
#613D35 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) | #454234 | 0.053 |
| Deuteranopia (no green cones) | #4E4935 | 0.048 |
| Tritanopia (no blue cones) | #69383B | 0.024 |
| Achromatopsia (no color) | #464646 | 0.053 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #613D35
#613D35
oklch(40% 0.053 33.1)
- #204F59
#204F59
oklch(40% 0.053 213.8)
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 #613D35, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.024
- Brownish Purple #76424E ΔE 0.058
- Mud Brown #60460F ΔE 0.059
- Chestnut #742802 ΔE 0.065
- Charcoal Grey #3C4142 ΔE 0.067
- Onyx #343A40 ΔE 0.085
- Red Brown #8B2E16 ΔE 0.087
- Milk Chocolate #7F4E1E ΔE 0.087
Use #613D35 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.