#633136
Closest named color: Purple Brown (#673A3F). oklch(38% 0.072 14.8), rgb(99, 49, 54).
Aa
White text reads best on this color (10.37:1).
About this color
#633136 is a dark, moderately saturated red. In OKLCH its lightness is 38%, its chroma 0.072 and its hue 15°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.026 away. White text reads best on it, at 10.37:1.
| Hue family | Reds |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.072) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.02:1 |
| White text | 10.37:1 |
Values
| HEX | #633136 |
| RGB | rgb(99, 49, 54) |
| HSL | hsl(354, 34%, 29%) |
| OKLCH | oklch(38% 0.072 14.8) |
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 #633136 | 10.37:1 | AAA | Lc -97.8 | Preferred for body text |
| Black text on #633136 | 2.02:1 | Fails | Lc 10.1 | Not readable |
| #633136 text on white | 10.37:1 | AAA | Lc 93.8 | Preferred for body text |
| #633136 text on black | 2.02:1 | Fails | Lc -8.7 | 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
#FAF4F4
oklch(97.2% 0.006 17.3)
-
Step 100
100
#F4E6E6
oklch(93.6% 0.015 17.4)
-
Step 200
200
#ECD2D3
oklch(88.6% 0.029 15.1)
-
Step 300
300
#E1B3B5
oklch(80.8% 0.054 15.4)
-
Step 400
400
#D18A8F
oklch(70.7% 0.087 14.9)
-
Step 500
500
#C36C74
oklch(63.1% 0.111 14.9)
-
Step 600
600
#AE525D
oklch(55.6% 0.12 14.4)
-
Step 700
700
#95424C
oklch(49% 0.112 14.7)
-
Step 800
800
#79373F
oklch(42.7% 0.092 14.3)
-
Step 900
900 (this color)
#633136
oklch(38% 0.072 14.8)
-
Step 950
950
#3A1D1F
oklch(27.1% 0.045 16.1)
#633136 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) | #3B3A36 | 0.078 |
| Deuteranopia (no green cones) | #474435 | 0.074 |
| Tritanopia (no blue cones) | #6B2B33 | 0.020 |
| Achromatopsia (no color) | #404040 | 0.073 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #633136
#633136
oklch(38% 0.072 14.8)
- #004D4D
#004D4D
oklch(38% 0.065 194.8)
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 #633136, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.026
- Chestnut #742802 ΔE 0.061
- Brownish Purple #76424E ΔE 0.066
- Reddy Brown #6E1005 ΔE 0.070
- Wine Red #7B0323 ΔE 0.075
- Bordeaux #7B002C ΔE 0.077
- Charcoal Grey #3C4142 ΔE 0.079
- Claret #680018 ΔE 0.079
Use #633136 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.