#673E4E
Closest named color: Purple Brown (#673A3F). oklch(41.8% 0.061 355.1), rgb(103, 62, 78).
Aa
White text reads best on this color (8.83:1).
About this color
#673E4E is a dark, muted red. In OKLCH its lightness is 42%, its chroma 0.061 and its hue 355°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.023 away. White text reads best on it, at 8.83:1.
| Hue family | Reds |
| Lightness | dark (42%) |
| Chroma | muted (0.061) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.37:1 |
| White text | 8.83:1 |
Values
| HEX | #673E4E |
| RGB | rgb(103, 62, 78) |
| HSL | hsl(337, 25%, 32%) |
| OKLCH | oklch(41.8% 0.061 355.1) |
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 #673E4E | 8.83:1 | AAA | Lc -94.5 | Preferred for body text |
| Black text on #673E4E | 2.37:1 | Fails | Lc 13.9 | Not readable |
| #673E4E text on white | 8.83:1 | AAA | Lc 90.1 | Preferred for body text |
| #673E4E text on black | 2.37:1 | Fails | Lc -12.2 | 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
#E5D4DA
oklch(88.5% 0.02 354.1)
-
Step 300
300
#D5B8C2
oklch(81% 0.036 355.1)
-
Step 400
400
#BF92A2
oklch(70.7% 0.058 355.5)
-
Step 500
500
#AE778C
oklch(63.2% 0.074 354.8)
-
Step 600
600
#985F75
oklch(55.5% 0.079 355.3)
-
Step 700
700
#824E63
oklch(49% 0.075 354.5)
-
Step 800
800 (this color)
#673E4E
oklch(41.8% 0.061 355.1)
-
Step 900
900
#563743
oklch(37.7% 0.048 354.8)
-
Step 950
950
#322027
oklch(26.9% 0.03 354.3)
#673E4E 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) | #43464F | 0.066 |
| Deuteranopia (no green cones) | #4D4D4D | 0.061 |
| Tritanopia (no blue cones) | #6D3C44 | 0.019 |
| Achromatopsia (no color) | #4A4A4A | 0.062 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #673E4E
#673E4E
oklch(41.8% 0.061 355.1)
- #21574B
#21574B
oklch(41.7% 0.061 176.2)
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 #673E4E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.023
- Brownish Purple #76424E ΔE 0.033
- Dark Mauve #874C62 ΔE 0.079
- Charcoal Grey #3C4142 ΔE 0.082
- Dusty Grape #545775 ΔE 0.084
- Chestnut #742802 ΔE 0.091
- Red Brown #8B2E16 ΔE 0.095
- Dusk #4E5481 ΔE 0.095
Use #673E4E 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.