#613231
Closest named color: Purple Brown (#673A3F). oklch(37.8% 0.068 22.1), rgb(97, 50, 49).
Aa
White text reads best on this color (10.45:1).
About this color
#613231 is a dark, muted red. In OKLCH its lightness is 38%, its chroma 0.068 and its hue 22°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.030 away. White text reads best on it, at 10.45:1.
| Hue family | Reds |
| Lightness | dark (38%) |
| Chroma | muted (0.068) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.00:1 |
| White text | 10.45:1 |
Values
| HEX | #613231 |
| RGB | rgb(97, 50, 49) |
| HSL | hsl(1, 33%, 29%) |
| OKLCH | oklch(37.8% 0.068 22.1) |
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 #613231 | 10.45:1 | AAA | Lc -98.0 | Preferred for body text |
| Black text on #613231 | 2.00:1 | Fails | Lc 9.9 | Not readable |
| #613231 text on white | 10.45:1 | AAA | Lc 94.0 | Preferred for body text |
| #613231 text on black | 2.00:1 | Fails | Lc -8.6 | 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 900.
-
Step 50
50
#FAF4F3
oklch(97.2% 0.007 28.8)
-
Step 100
100
#F4E6E5
oklch(93.6% 0.015 22.4)
-
Step 200
200
#ECD2D1
oklch(88.5% 0.029 20.4)
-
Step 300
300
#E0B4B2
oklch(80.9% 0.051 21.3)
-
Step 400
400
#CF8C89
oklch(70.6% 0.082 22.2)
-
Step 500
500
#C16F6C
oklch(63.2% 0.105 22.7)
-
Step 600
600
#AC5554
oklch(55.5% 0.114 22.1)
-
Step 700
700
#934545
oklch(49% 0.106 21.7)
-
Step 800
800
#783939
oklch(42.7% 0.088 21.5)
-
Step 900
900 (this color)
#613231
oklch(37.8% 0.068 22.1)
-
Step 950
950
#391E1D
oklch(27.1% 0.043 22.5)
#613231 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) | #3C3A31 | 0.072 |
| Deuteranopia (no green cones) | #484330 | 0.066 |
| Tritanopia (no blue cones) | #692C32 | 0.021 |
| Achromatopsia (no color) | #3F3F3F | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #613231
#613231
oklch(37.8% 0.068 22.1)
- #004C50
#004C50
oklch(37.9% 0.064 200.9)
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 #613231, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.030
- Chestnut #742802 ΔE 0.057
- Reddy Brown #6E1005 ΔE 0.069
- Brownish Purple #76424E ΔE 0.071
- Charcoal Grey #3C4142 ΔE 0.075
- Wine Red #7B0323 ΔE 0.079
- Mud Brown #60460F ΔE 0.080
- Claret #680018 ΔE 0.081
Use #613231 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.