#673E4C
Closest named color: Purple Brown (#673A3F). oklch(41.7% 0.06 358.1), rgb(103, 62, 76).
Aa
White text reads best on this color (8.86:1).
About this color
#673E4C is a dark, muted red. In OKLCH its lightness is 42%, its chroma 0.060 and its hue 358°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.020 away. White text reads best on it, at 8.86:1.
| Hue family | Reds |
| Lightness | dark (42%) |
| Chroma | muted (0.060) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.37:1 |
| White text | 8.86:1 |
Values
| HEX | #673E4C |
| RGB | rgb(103, 62, 76) |
| HSL | hsl(340, 25%, 32%) |
| OKLCH | oklch(41.7% 0.06 358.1) |
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 #673E4C | 8.86:1 | AAA | Lc -94.6 | Preferred for body text |
| Black text on #673E4C | 2.37:1 | Fails | Lc 13.8 | Not readable |
| #673E4C text on white | 8.86:1 | AAA | Lc 90.1 | Preferred for body text |
| #673E4C text on black | 2.37:1 | Fails | Lc -12.1 | 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
#F8F4F5
oklch(97.1% 0.004 360)
-
Step 100
100
#F0E7EA
oklch(93.6% 0.011 354.9)
-
Step 200
200
#E5D4D9
oklch(88.5% 0.02 357.7)
-
Step 300
300
#D5B8C0
oklch(81% 0.035 359.4)
-
Step 400
400
#BF92A0
oklch(70.6% 0.057 358.2)
-
Step 500
500
#AE7789
oklch(63.1% 0.073 358.1)
-
Step 600
600
#996073
oklch(55.7% 0.078 358.4)
-
Step 700
700
#824F60
oklch(49.1% 0.072 358.6)
-
Step 800
800 (this color)
#673E4C
oklch(41.7% 0.06 358.1)
-
Step 900
900
#563741
oklch(37.7% 0.047 358.6)
-
Step 950
950
#332026
oklch(27% 0.031 358.8)
#673E4C 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) | #43464C | 0.066 |
| Deuteranopia (no green cones) | #4D4D4B | 0.062 |
| Tritanopia (no blue cones) | #6D3C43 | 0.017 |
| Achromatopsia (no color) | #4A4A4A | 0.061 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #673E4C
#673E4C
oklch(41.7% 0.06 358.1)
- #20574C
#20574C
oklch(41.7% 0.061 177.8)
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 #673E4C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.020
- Brownish Purple #76424E ΔE 0.032
- Dark Mauve #874C62 ΔE 0.080
- Charcoal Grey #3C4142 ΔE 0.081
- Dusty Grape #545775 ΔE 0.085
- Chestnut #742802 ΔE 0.089
- Mud Brown #60460F ΔE 0.092
- Red Brown #8B2E16 ΔE 0.093
Use #673E4C 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.