#663045
Closest named color: Purple Brown (#673A3F). oklch(38.8% 0.082 357), rgb(102, 48, 69).
Aa
White text reads best on this color (10.12:1).
About this color
#663045 is a dark, moderately saturated red. In OKLCH its lightness is 39%, its chroma 0.082 and its hue 357°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.032 away. White text reads best on it, at 10.12:1.
| Hue family | Reds |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.082) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.07:1 |
| White text | 10.12:1 |
Values
| HEX | #663045 |
| RGB | rgb(102, 48, 69) |
| HSL | hsl(337, 36%, 29%) |
| OKLCH | oklch(38.8% 0.082 357) |
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 #663045 | 10.12:1 | AAA | Lc -97.3 | Preferred for body text |
| Black text on #663045 | 2.07:1 | Fails | Lc 10.8 | Not readable |
| #663045 text on white | 10.12:1 | AAA | Lc 93.2 | Preferred for body text |
| #663045 text on black | 2.07:1 | Fails | Lc -9.3 | 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
#EDD0D9
oklch(88.4% 0.034 357.1)
-
Step 300
300
#E2B1C1
oklch(80.9% 0.06 357.1)
-
Step 400
400
#D287A1
oklch(70.8% 0.097 357.5)
-
Step 500
500
#C4678A
oklch(63.1% 0.124 357.4)
-
Step 600
600
#AF4C74
oklch(55.5% 0.136 357.1)
-
Step 700
700
#963D62
oklch(49.1% 0.126 356.8)
-
Step 800
800
#7A3350
oklch(42.7% 0.104 356.8)
-
Step 900
900 (this color)
#663045
oklch(38.8% 0.082 357)
-
Step 950
950
#3A1B27
oklch(27% 0.051 356.5)
#663045 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) | #383B46 | 0.089 |
| Deuteranopia (no green cones) | #464544 | 0.081 |
| Tritanopia (no blue cones) | #6D2D38 | 0.024 |
| Achromatopsia (no color) | #424242 | 0.082 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #663045
#663045
oklch(38.8% 0.082 357)
- #005144
#005144
oklch(38.9% 0.072 177.1)
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 #663045, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.032
- Brownish Purple #76424E ΔE 0.059
- Merlot #730039 ΔE 0.070
- Bordeaux #7B002C ΔE 0.074
- Velvet #750851 ΔE 0.074
- Grape Purple #5D1451 ΔE 0.075
- Wine #80013F ΔE 0.075
- Red Purple #820747 ΔE 0.076
Use #663045 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.