#672739
Closest named color: Purple Brown (#673A3F). oklch(37.1% 0.094 5.3), rgb(103, 39, 57).
Aa
White text reads best on this color (10.90:1).
About this color
#672739 is a dark, moderately saturated red. In OKLCH its lightness is 37%, its chroma 0.094 and its hue 5°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.046 away. White text reads best on it, at 10.90:1.
| Hue family | Reds |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.094) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 1.92:1 |
| White text | 10.90:1 |
Values
| HEX | #672739 |
| RGB | rgb(103, 39, 57) |
| HSL | hsl(343, 45%, 28%) |
| OKLCH | oklch(37.1% 0.094 5.3) |
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 #672739 | 10.90:1 | AAA | Lc -98.6 | Preferred for body text |
| Black text on #672739 | 1.92:1 | Fails | Lc 9.2 | Not readable |
| #672739 text on white | 10.90:1 | AAA | Lc 94.7 | Preferred for body text |
| #672739 text on black | 1.92:1 | Fails | Lc -7.9 | 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
#FBF3F4
oklch(97.1% 0.009 8.5)
-
Step 100
100
#F7E5E8
oklch(93.7% 0.02 6)
-
Step 200
200
#F1CFD5
oklch(88.5% 0.039 5.9)
-
Step 300
300
#E9AEBA
oklch(80.9% 0.071 5.3)
-
Step 400
400
#DB8297
oklch(70.7% 0.112 5.1)
-
Step 500
500
#CF5F7D
oklch(63.1% 0.144 5.3)
-
Step 600
600
#BA4366
oklch(55.6% 0.156 5.6)
-
Step 700
700
#A03455
oklch(49.2% 0.145 5.5)
-
Step 800
800
#822C46
oklch(42.7% 0.12 5.1)
-
Step 900
900 (this color)
#672739
oklch(37.1% 0.094 5.3)
-
Step 950
950
#3E1922
oklch(27.1% 0.059 6.5)
#672739 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) | #333539 | 0.104 |
| Deuteranopia (no green cones) | #444138 | 0.094 |
| Tritanopia (no blue cones) | #70202E | 0.025 |
| Achromatopsia (no color) | #3D3D3D | 0.094 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #672739
#672739
oklch(37.1% 0.094 5.3)
- #004B45
#004B45
oklch(37.1% 0.065 185.7)
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 #672739, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.046
- Merlot #730039 ΔE 0.054
- Bordeaux #7B002C ΔE 0.056
- Wine Red #7B0323 ΔE 0.058
- Claret #680018 ΔE 0.063
- Reddy Brown #6E1005 ΔE 0.064
- Burgundy #610023 ΔE 0.065
- Wine #80013F ΔE 0.065
Use #672739 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.