#633732
Closest named color: Purple Brown (#673A3F). oklch(39% 0.064 27.3), rgb(99, 55, 50).
Aa
White text reads best on this color (9.89:1).
About this color
#633732 is a dark, muted red. In OKLCH its lightness is 39%, its chroma 0.064 and its hue 27°. 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 9.89:1.
| Hue family | Reds |
| Lightness | dark (39%) |
| Chroma | muted (0.064) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.12:1 |
| White text | 9.89:1 |
Values
| HEX | #633732 |
| RGB | rgb(99, 55, 50) |
| HSL | hsl(6, 33%, 29%) |
| OKLCH | oklch(39% 0.064 27.3) |
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 #633732 | 9.89:1 | AAA | Lc -96.9 | Preferred for body text |
| Black text on #633732 | 2.12:1 | Fails | Lc 11.2 | Not readable |
| #633732 text on white | 9.89:1 | AAA | Lc 92.7 | Preferred for body text |
| #633732 text on black | 2.12:1 | Fails | Lc -9.7 | 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
#FAF4F3
oklch(97.2% 0.007 28.8)
-
Step 100
100
#F3E7E5
oklch(93.7% 0.013 28.9)
-
Step 200
200
#EAD3D0
oklch(88.5% 0.026 26.6)
-
Step 300
300
#DEB5B0
oklch(80.8% 0.048 26.3)
-
Step 400
400
#CC8E87
oklch(70.6% 0.077 26.4)
-
Step 500
500
#BE7169
oklch(63.1% 0.099 26.6)
-
Step 600
600
#A95950
oklch(55.7% 0.106 27.7)
-
Step 700
700
#914841
oklch(49.1% 0.1 27)
-
Step 800
800
#753C36
oklch(42.7% 0.081 27.2)
-
Step 900
900 (this color)
#633732
oklch(39% 0.064 27.3)
-
Step 950
950
#381E1B
oklch(26.9% 0.041 27.2)
#633732 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) | #413E31 | 0.066 |
| Deuteranopia (no green cones) | #4C4731 | 0.062 |
| Tritanopia (no blue cones) | #6B3136 | 0.024 |
| Achromatopsia (no color) | #434343 | 0.064 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #633732
#633732
oklch(39% 0.064 27.3)
- #084E56
#084E56
oklch(38.9% 0.064 207.2)
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 #633732, 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 0.056
- Brownish Purple #76424E ΔE 0.062
- Mud Brown #60460F ΔE 0.069
- Charcoal Grey #3C4142 ΔE 0.073
- Reddy Brown #6E1005 ΔE 0.077
- Red Brown #8B2E16 ΔE 0.083
- Wine Red #7B0323 ΔE 0.086
Use #633732 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.