#63444D
Closest named color: Purple Brown (#673A3F). oklch(42.4% 0.045 0.2), rgb(99, 68, 77).
Aa
White text reads best on this color (8.52:1).
About this color
#63444D is a dark, muted red. In OKLCH its lightness is 42%, its chroma 0.045 and its hue 0°. 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 8.52:1.
| Hue family | Reds |
| Lightness | dark (42%) |
| Chroma | muted (0.045) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.46:1 |
| White text | 8.52:1 |
Values
| HEX | #63444D |
| RGB | rgb(99, 68, 77) |
| HSL | hsl(343, 19%, 33%) |
| OKLCH | oklch(42.4% 0.045 0.2) |
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 #63444D | 8.52:1 | AAA | Lc -93.8 | Preferred for body text |
| Black text on #63444D | 2.46:1 | Fails | Lc 14.7 | Not readable |
| #63444D text on white | 8.52:1 | AAA | Lc 89.3 | Fine for body text |
| #63444D text on black | 2.46:1 | 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
#F8F4F5
oklch(97.1% 0.004 360)
-
Step 100
100
#EEE8E9
oklch(93.6% 0.007 5.6)
-
Step 200
200
#E2D5D8
oklch(88.4% 0.015 1.6)
-
Step 300
300
#D0BAC0
oklch(80.9% 0.026 359.3)
-
Step 400
400
#B8969F
oklch(70.7% 0.042 0.6)
-
Step 500
500
#A57C88
oklch(63% 0.053 359.5)
-
Step 600
600
#906572
oklch(55.5% 0.058 359.4)
-
Step 700
700
#7B545F
oklch(49.2% 0.054 0.8)
-
Step 800
800 (this color)
#63444D
oklch(42.4% 0.045 0.2)
-
Step 900
900
#513A41
oklch(37.7% 0.034 358.9)
-
Step 950
950
#302226
oklch(27% 0.022 359.9)
#63444D 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) | #48494D | 0.048 |
| Deuteranopia (no green cones) | #4F4F4C | 0.046 |
| Tritanopia (no blue cones) | #684247 | 0.013 |
| Achromatopsia (no color) | #4C4C4C | 0.045 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63444D
#63444D
oklch(42.4% 0.045 0.2)
- #31564F
#31564F
oklch(42.3% 0.044 180.6)
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 #63444D, 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 0.036
- Charcoal Grey #3C4142 ΔE 0.073
- Dusty Grape #545775 ΔE 0.074
- Dark Mauve #874C62 ΔE 0.079
- Mud Brown #60460F ΔE 0.084
- Dark Slate Gray #2F4F4F ΔE 0.084
- Dusk #4E5481 ΔE 0.089
Use #63444D 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.