#634546
Closest named color: Purple Brown (#673A3F). oklch(42.4% 0.042 16.8), rgb(99, 69, 70).
Aa
White text reads best on this color (8.50:1).
About this color
#634546 is a dark, muted red. In OKLCH its lightness is 42%, its chroma 0.042 and its hue 17°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.029 away. White text reads best on it, at 8.50:1.
| Hue family | Reds |
| Lightness | dark (42%) |
| Chroma | muted (0.042) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.47:1 |
| White text | 8.50:1 |
Values
| HEX | #634546 |
| RGB | rgb(99, 69, 70) |
| HSL | hsl(358, 18%, 33%) |
| OKLCH | oklch(42.4% 0.042 16.8) |
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 #634546 | 8.50:1 | AAA | Lc -93.7 | Preferred for body text |
| Black text on #634546 | 2.47:1 | Fails | Lc 14.8 | Not readable |
| #634546 text on white | 8.50:1 | AAA | Lc 89.2 | Fine for body text |
| #634546 text on black | 2.47:1 | Fails | Lc -13.0 | 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
#F8F5F5
oklch(97.2% 0.003 17.2)
-
Step 100
100
#EEE8E8
oklch(93.6% 0.007 17.3)
-
Step 200
200
#E2D6D6
oklch(88.6% 0.013 17.4)
-
Step 300
300
#D0BBBB
oklch(81% 0.024 17.7)
-
Step 400
400
#B89798
oklch(70.7% 0.04 16.1)
-
Step 500
500
#A67E7F
oklch(63.2% 0.05 16.9)
-
Step 600
600
#906768
oklch(55.6% 0.053 17.3)
-
Step 700
700
#7B5557
oklch(49.1% 0.051 15.6)
-
Step 800
800 (this color)
#634546
oklch(42.4% 0.042 16.8)
-
Step 900
900
#523B3B
oklch(37.8% 0.033 18.7)
-
Step 950
950
#302223
oklch(26.9% 0.022 13.8)
#634546 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) | #4A4946 | 0.045 |
| Deuteranopia (no green cones) | #514F46 | 0.042 |
| Tritanopia (no blue cones) | #694245 | 0.013 |
| Achromatopsia (no color) | #4D4D4D | 0.042 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #634546
#634546
oklch(42.4% 0.042 16.8)
- #315556
#315556
oklch(42.3% 0.042 198)
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 #634546, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.029
- Brownish Purple #76424E ΔE 0.040
- Mud Brown #60460F ΔE 0.071
- Charcoal Grey #3C4142 ΔE 0.072
- Dusty Grape #545775 ΔE 0.080
- Dark Slate Gray #2F4F4F ΔE 0.082
- Milk Chocolate #7F4E1E ΔE 0.082
- Dark Mauve #874C62 ΔE 0.084
Use #634546 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.