#673B4A
Closest named color: Purple Brown (#673A3F). oklch(41.1% 0.065 358.5), rgb(103, 59, 74).
Aa
White text reads best on this color (9.12:1).
About this color
#673B4A is a dark, muted red. In OKLCH its lightness is 41%, its chroma 0.065 and its hue 358°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.017 away. White text reads best on it, at 9.12:1.
| Hue family | Reds |
| Lightness | dark (41%) |
| Chroma | muted (0.065) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.30:1 |
| White text | 9.12:1 |
Values
| HEX | #673B4A |
| RGB | rgb(103, 59, 74) |
| HSL | hsl(340, 27%, 32%) |
| OKLCH | oklch(41.1% 0.065 358.5) |
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 #673B4A | 9.12:1 | AAA | Lc -95.2 | Preferred for body text |
| Black text on #673B4A | 2.30:1 | Fails | Lc 13.1 | Not readable |
| #673B4A text on white | 9.12:1 | AAA | Lc 90.8 | Preferred for body text |
| #673B4A text on black | 2.30:1 | Fails | Lc -11.5 | 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
#F9F4F5
oklch(97.1% 0.006 3.3)
-
Step 100
100
#F1E7EA
oklch(93.7% 0.012 357)
-
Step 200
200
#E6D4D9
oklch(88.6% 0.021 358.7)
-
Step 300
300
#D6B7C0
oklch(80.9% 0.037 358.6)
-
Step 400
400
#C191A0
oklch(70.7% 0.061 358.3)
-
Step 500
500
#B07689
oklch(63.1% 0.077 358.3)
-
Step 600
600
#9B5E73
oklch(55.6% 0.084 358)
-
Step 700
700
#854D60
oklch(49.1% 0.079 358.6)
-
Step 800
800 (this color)
#673B4A
oklch(41.1% 0.065 358.5)
-
Step 900
900
#583641
oklch(37.7% 0.051 358.9)
-
Step 950
950
#332026
oklch(27% 0.031 358.8)
#673B4A 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) | #41434A | 0.071 |
| Deuteranopia (no green cones) | #4C4B49 | 0.065 |
| Tritanopia (no blue cones) | #6E3840 | 0.020 |
| Achromatopsia (no color) | #484848 | 0.066 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #673B4A
#673B4A
oklch(41.1% 0.065 358.5)
- #18564B
#18564B
oklch(41.1% 0.065 178.7)
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 #673B4A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.017
- Brownish Purple #76424E ΔE 0.037
- Charcoal Grey #3C4142 ΔE 0.081
- Dark Mauve #874C62 ΔE 0.085
- Chestnut #742802 ΔE 0.085
- Dusty Grape #545775 ΔE 0.092
- Red Brown #8B2E16 ΔE 0.092
- Red Purple #820747 ΔE 0.093
Use #673B4A 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.