#673447
Closest named color: Purple Brown (#673A3F). oklch(39.7% 0.077 357.5), rgb(103, 52, 71).
Aa
White text reads best on this color (9.72:1).
About this color
#673447 is a dark, moderately saturated red. In OKLCH its lightness is 40%, its chroma 0.077 and its hue 357°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.024 away. White text reads best on it, at 9.72:1.
| Hue family | Reds |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.077) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.15:1 |
| White text | 9.72:1 |
Values
| HEX | #673447 |
| RGB | rgb(103, 52, 71) |
| HSL | hsl(338, 33%, 30%) |
| OKLCH | oklch(39.7% 0.077 357.5) |
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 #673447 | 9.72:1 | AAA | Lc -96.5 | Preferred for body text |
| Black text on #673447 | 2.15:1 | Fails | Lc 11.7 | Not readable |
| #673447 text on white | 9.72:1 | AAA | Lc 92.3 | Preferred for body text |
| #673447 text on black | 2.15:1 | Fails | Lc -10.1 | 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
#FAF3F5
oklch(97% 0.008 357.8)
-
Step 100
100
#F4E5EA
oklch(93.5% 0.018 355.1)
-
Step 200
200
#ECD1D9
oklch(88.5% 0.032 357.9)
-
Step 300
300
#E0B2C1
oklch(80.9% 0.057 357)
-
Step 400
400
#CF88A1
oklch(70.6% 0.092 357)
-
Step 500
500
#C1698A
oklch(63% 0.118 357.2)
-
Step 600
600
#AC4F74
oklch(55.5% 0.128 357.1)
-
Step 700
700
#944061
oklch(49.2% 0.119 357.7)
-
Step 800
800
#78354F
oklch(42.7% 0.098 357.7)
-
Step 900
900 (this color)
#673447
oklch(39.7% 0.077 357.5)
-
Step 950
950
#391C26
oklch(27% 0.048 358.7)
#673447 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) | #3B3E48 | 0.083 |
| Deuteranopia (no green cones) | #484846 | 0.078 |
| Tritanopia (no blue cones) | #6E313B | 0.023 |
| Achromatopsia (no color) | #444444 | 0.077 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #673447
#673447
oklch(39.7% 0.077 357.5)
- #005346
#005346
oklch(39.6% 0.073 177.4)
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 #673447, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.024
- Brownish Purple #76424E ΔE 0.050
- Merlot #730039 ΔE 0.079
- Bordeaux #7B002C ΔE 0.080
- Wine #80013F ΔE 0.080
- Red Purple #820747 ΔE 0.080
- Velvet #750851 ΔE 0.081
- Chestnut #742802 ΔE 0.081
Use #673447 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.