#673757
Closest named color: Purple Brown (#673A3F). oklch(40.8% 0.081 341), rgb(103, 55, 87).
Aa
White text reads best on this color (9.28:1).
About this color
#673757 is a dark, moderately saturated purple. In OKLCH its lightness is 41%, its chroma 0.081 and its hue 341°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.044 away. White text reads best on it, at 9.28:1.
| Hue family | Purples |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.081) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.26:1 |
| White text | 9.28:1 |
Values
| HEX | #673757 |
| RGB | rgb(103, 55, 87) |
| HSL | hsl(320, 30%, 31%) |
| OKLCH | oklch(40.8% 0.081 341) |
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 #673757 | 9.28:1 | AAA | Lc -95.5 | Preferred for body text |
| Black text on #673757 | 2.26:1 | Fails | Lc 12.8 | Not readable |
| #673757 text on white | 9.28:1 | AAA | Lc 91.2 | Preferred for body text |
| #673757 text on black | 2.26:1 | Fails | Lc -11.1 | 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 800.
-
Step 50
50
#F9F4F7
oklch(97.2% 0.007 340.4)
-
Step 100
100
#F1E6EC
oklch(93.5% 0.014 343.2)
-
Step 200
200
#E6D3DE
oklch(88.6% 0.026 341.9)
-
Step 300
300
#D7B5CA
oklch(80.9% 0.048 340.7)
-
Step 400
400
#C28EAF
oklch(70.7% 0.077 340.8)
-
Step 500
500
#B1719B
oklch(63% 0.098 340.7)
-
Step 600
600
#9C5986
oklch(55.6% 0.106 340.6)
-
Step 700
700
#854971
oklch(49.1% 0.097 341)
-
Step 800
800 (this color)
#673757
oklch(40.8% 0.081 341)
-
Step 900
900
#58344C
oklch(37.8% 0.063 340.4)
-
Step 950
950
#341E2C
oklch(26.9% 0.041 341.6)
#673757 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) | #394258 | 0.085 |
| Deuteranopia (no green cones) | #464A56 | 0.077 |
| Tritanopia (no blue cones) | #6C3843 | 0.036 |
| Achromatopsia (no color) | #474747 | 0.082 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #673757
#673757
oklch(40.8% 0.081 341)
- #14573B
#14573B
oklch(40.8% 0.081 160.9)
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 #673757, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.044
- Brownish Purple #76424E ΔE 0.050
- Velvet #750851 ΔE 0.079
- Grape Purple #5D1451 ΔE 0.082
- Red Purple #820747 ΔE 0.083
- Wine #80013F ΔE 0.087
- Rich Purple #720058 ΔE 0.087
- Dark Mauve #874C62 ΔE 0.088
Use #673757 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.