#743739
Closest named color: Purple Brown (#673A3F). oklch(41.7% 0.086 19.5), rgb(116, 55, 57).
Aa
White text reads best on this color (8.94:1).
About this color
#743739 is a dark, moderately saturated red. In OKLCH its lightness is 42%, its chroma 0.086 and its hue 19°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.026 away. White text reads best on it, at 8.94:1.
| Hue family | Reds |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.086) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.34:1 |
| White text | 8.94:1 |
Values
| HEX | #743739 |
| RGB | rgb(116, 55, 57) |
| HSL | hsl(358, 36%, 34%) |
| OKLCH | oklch(41.7% 0.086 19.5) |
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 #743739 | 8.94:1 | AAA | Lc -94.6 | Preferred for body text |
| Black text on #743739 | 2.34:1 | Fails | Lc 13.8 | Not readable |
| #743739 text on white | 8.94:1 | AAA | Lc 90.1 | Preferred for body text |
| #743739 text on black | 2.34:1 | 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
#FAF4F4
oklch(97.2% 0.006 17.3)
-
Step 100
100
#F3E6E6
oklch(93.5% 0.014 17.4)
-
Step 200
200
#EBD2D2
oklch(88.4% 0.028 17.7)
-
Step 300
300
#DFB4B4
oklch(80.8% 0.05 18.2)
-
Step 400
400
#CE8D8C
oklch(70.8% 0.08 20.2)
-
Step 500
500
#C06F70
oklch(63.2% 0.103 19.6)
-
Step 600
600
#AB5658
oklch(55.7% 0.111 19.9)
-
Step 700
700
#924648
oklch(49.1% 0.103 19.9)
-
Step 800
800 (this color)
#743739
oklch(41.7% 0.086 19.5)
-
Step 900
900
#603233
oklch(37.7% 0.067 19.3)
-
Step 950
950
#391E1E
oklch(27.2% 0.042 20.2)
#743739 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) | #444239 | 0.093 |
| Deuteranopia (no green cones) | #544E38 | 0.084 |
| Tritanopia (no blue cones) | #7E2F38 | 0.025 |
| Achromatopsia (no color) | #494949 | 0.087 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #743739
#743739
oklch(41.7% 0.086 19.5)
- #00585B
#00585B
oklch(41.8% 0.071 198.8)
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 #743739, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.026
- Brownish Purple #76424E ΔE 0.036
- Red Brown #8B2E16 ΔE 0.057
- Chestnut #742802 ΔE 0.058
- Rust Brown #8B3103 ΔE 0.065
- Brown Red #922B05 ΔE 0.073
- Wine Red #7B0323 ΔE 0.076
- Brick Red #8F1402 ΔE 0.077
Use #743739 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.