#634151
Closest named color: Purple Brown (#673A3F). oklch(41.9% 0.053 349.8), rgb(99, 65, 81).
Aa
White text reads best on this color (8.73:1).
About this color
#634151 is a dark, muted red. In OKLCH its lightness is 42%, its chroma 0.053 and its hue 350°. 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 8.73:1.
| Hue family | Reds |
| Lightness | dark (42%) |
| Chroma | muted (0.053) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.40:1 |
| White text | 8.73:1 |
Values
| HEX | #634151 |
| RGB | rgb(99, 65, 81) |
| HSL | hsl(332, 21%, 32%) |
| OKLCH | oklch(41.9% 0.053 349.8) |
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 #634151 | 8.73:1 | AAA | Lc -94.3 | Preferred for body text |
| Black text on #634151 | 2.40:1 | Fails | Lc 14.2 | Not readable |
| #634151 text on white | 8.73:1 | AAA | Lc 89.8 | Fine for body text |
| #634151 text on black | 2.40:1 | Fails | Lc -12.4 | 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 800.
-
Step 50
50
#F8F4F6
oklch(97.1% 0.005 345.3)
-
Step 100
100
#EFE7EB
oklch(93.5% 0.01 345.4)
-
Step 200
200
#E3D5DB
oklch(88.6% 0.017 349.5)
-
Step 300
300
#D1B9C3
oklch(80.9% 0.03 350.7)
-
Step 400
400
#B995A5
oklch(70.8% 0.048 349.9)
-
Step 500
500
#A77A8F
oklch(63.1% 0.063 349.4)
-
Step 600
600
#926379
oklch(55.6% 0.068 349.9)
-
Step 700
700
#7C5266
oklch(49.1% 0.063 349.6)
-
Step 800
800 (this color)
#634151
oklch(41.9% 0.053 349.8)
-
Step 900
900
#533945
oklch(37.8% 0.041 349.9)
-
Step 950
950
#302128
oklch(26.9% 0.026 349.4)
#634151 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) | #444852 | 0.056 |
| Deuteranopia (no green cones) | #4C4D50 | 0.052 |
| Tritanopia (no blue cones) | #684047 | 0.018 |
| Achromatopsia (no color) | #4B4B4B | 0.053 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #634151
#634151
oklch(41.9% 0.053 349.8)
- #2D5648
#2D5648
oklch(41.8% 0.052 169.6)
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 #634151, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.030
- Brownish Purple #76424E ΔE 0.037
- Dusty Grape #545775 ΔE 0.075
- Charcoal Grey #3C4142 ΔE 0.076
- Dark Mauve #874C62 ΔE 0.080
- Dusk #4E5481 ΔE 0.087
- Dark Slate Gray #2F4F4F ΔE 0.090
- YInMn Blue #415A77 ΔE 0.091
Use #634151 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.