#613634
Closest named color: Purple Brown (#673A3F). oklch(38.6% 0.062 23.2), rgb(97, 54, 52).
Aa
White text reads best on this color (10.06:1).
About this color
#613634 is a dark, muted red. In OKLCH its lightness is 39%, its chroma 0.062 and its hue 23°. 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 10.06:1.
| Hue family | Reds |
| Lightness | dark (39%) |
| Chroma | muted (0.062) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.08:1 |
| White text | 10.06:1 |
Values
| HEX | #613634 |
| RGB | rgb(97, 54, 52) |
| HSL | hsl(3, 30%, 29%) |
| OKLCH | oklch(38.6% 0.062 23.2) |
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 #613634 | 10.06:1 | AAA | Lc -97.3 | Preferred for body text |
| Black text on #613634 | 2.08:1 | Fails | Lc 10.8 | Not readable |
| #613634 text on white | 10.06:1 | AAA | Lc 93.2 | Preferred for body text |
| #613634 text on black | 2.08:1 | Fails | Lc -9.3 | 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
#FAF4F3
oklch(97.2% 0.007 28.8)
-
Step 100
100
#F3E7E6
oklch(93.7% 0.013 23.2)
-
Step 200
200
#EAD3D1
oklch(88.5% 0.026 23.6)
-
Step 300
300
#DDB5B3
oklch(80.8% 0.047 21.5)
-
Step 400
400
#CB8F8B
oklch(70.8% 0.074 23.4)
-
Step 500
500
#BC726E
oklch(63.1% 0.094 23.4)
-
Step 600
600
#A75956
oklch(55.5% 0.103 23.2)
-
Step 700
700
#8F4946
oklch(49.1% 0.095 23.7)
-
Step 800
800
#753C3A
oklch(42.8% 0.08 23.1)
-
Step 900
900 (this color)
#613634
oklch(38.6% 0.062 23.2)
-
Step 950
950
#371F1D
oklch(27% 0.038 25)
#613634 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) | #3F3D34 | 0.065 |
| Deuteranopia (no green cones) | #4A4533 | 0.060 |
| Tritanopia (no blue cones) | #693036 | 0.022 |
| Achromatopsia (no color) | #424242 | 0.062 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #613634
#613634
oklch(38.6% 0.062 23.2)
- #0A4D53
#0A4D53
oklch(38.5% 0.062 204.4)
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 #613634, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.022
- Chestnut #742802 ΔE 0.060
- Brownish Purple #76424E ΔE 0.064
- Charcoal Grey #3C4142 ΔE 0.071
- Mud Brown #60460F ΔE 0.074
- Reddy Brown #6E1005 ΔE 0.078
- Onyx #343A40 ΔE 0.083
- Wine Red #7B0323 ΔE 0.086
Use #613634 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.