#673B53
Closest named color: Purple Brown (#673A3F). oklch(41.4% 0.07 346.7), rgb(103, 59, 83).
Aa
White text reads best on this color (9.02:1).
About this color
#673B53 is a dark, moderately saturated red. In OKLCH its lightness is 41%, its chroma 0.070 and its hue 347°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.033 away. White text reads best on it, at 9.02:1.
| Hue family | Reds |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.070) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.32:1 |
| White text | 9.02:1 |
Values
| HEX | #673B53 |
| RGB | rgb(103, 59, 83) |
| HSL | hsl(327, 27%, 32%) |
| OKLCH | oklch(41.4% 0.07 346.7) |
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 #673B53 | 9.02:1 | AAA | Lc -95.0 | Preferred for body text |
| Black text on #673B53 | 2.32:1 | Fails | Lc 13.4 | Not readable |
| #673B53 text on white | 9.02:1 | AAA | Lc 90.6 | Preferred for body text |
| #673B53 text on black | 2.32:1 | Fails | Lc -11.8 | 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
#F0E7EB
oklch(93.6% 0.011 348.4)
-
Step 200
200
#E5D3DC
oklch(88.4% 0.023 345.8)
-
Step 300
300
#D6B6C6
oklch(80.9% 0.042 346.5)
-
Step 400
400
#C090A9
oklch(70.7% 0.067 346.3)
-
Step 500
500
#AF7494
oklch(63% 0.085 346.1)
-
Step 600
600
#9A5C7E
oklch(55.5% 0.092 346.5)
-
Step 700
700
#834C6A
oklch(49.1% 0.084 346.8)
-
Step 800
800 (this color)
#673B53
oklch(41.4% 0.07 346.7)
-
Step 900
900
#573547
oklch(37.6% 0.055 347.1)
-
Step 950
950
#331F2A
oklch(26.9% 0.036 345.7)
#673B53 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) | #3F4454 | 0.073 |
| Deuteranopia (no green cones) | #4A4C52 | 0.069 |
| Tritanopia (no blue cones) | #6D3A44 | 0.027 |
| Achromatopsia (no color) | #494949 | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #673B53
#673B53
oklch(41.4% 0.07 346.7)
- #1C5843
#1C5843
oklch(41.5% 0.071 166.3)
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 #673B53, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.033
- Brownish Purple #76424E ΔE 0.039
- Dark Mauve #874C62 ΔE 0.081
- Dusty Grape #545775 ΔE 0.086
- Charcoal Grey #3C4142 ΔE 0.087
- Velvet #750851 ΔE 0.090
- Red Purple #820747 ΔE 0.090
- Wine #80013F ΔE 0.093
Use #673B53 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.