#743437
Closest named color: Purple Brown (#673A3F). oklch(41.2% 0.09 19), rgb(116, 52, 55).
Aa
White text reads best on this color (9.17:1).
About this color
#743437 is a dark, moderately saturated red. In OKLCH its lightness is 41%, its chroma 0.090 and its hue 19°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.028 away. White text reads best on it, at 9.17:1.
| Hue family | Reds |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.090) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.28:1 |
| White text | 9.17:1 |
Values
| HEX | #743437 |
| RGB | rgb(116, 52, 55) |
| HSL | hsl(357, 38%, 33%) |
| OKLCH | oklch(41.2% 0.09 19) |
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 #743437 | 9.17:1 | AAA | Lc -95.1 | Preferred for body text |
| Black text on #743437 | 2.28:1 | Fails | Lc 13.3 | Not readable |
| #743437 text on white | 9.17:1 | AAA | Lc 90.7 | Preferred for body text |
| #743437 text on black | 2.28:1 | Fails | Lc -11.6 | 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
#FAF4F3
oklch(97.2% 0.007 28.8)
-
Step 100
100
#F4E6E6
oklch(93.6% 0.015 17.4)
-
Step 200
200
#ECD2D1
oklch(88.5% 0.029 20.4)
-
Step 300
300
#E1B4B3
oklch(81% 0.052 19.8)
-
Step 400
400
#D08B8C
oklch(70.6% 0.085 18.5)
-
Step 500
500
#C26D6F
oklch(63.1% 0.108 19.1)
-
Step 600
600
#AD5458
oklch(55.6% 0.117 18.8)
-
Step 700
700
#954448
oklch(49.2% 0.109 18.9)
-
Step 800
800 (this color)
#743437
oklch(41.2% 0.09 19)
-
Step 900
900
#623133
oklch(37.8% 0.071 18.4)
-
Step 950
950
#391D1E
oklch(26.9% 0.044 18.1)
#743437 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) | #424037 | 0.097 |
| Deuteranopia (no green cones) | #524D36 | 0.090 |
| Tritanopia (no blue cones) | #7E2B35 | 0.025 |
| Achromatopsia (no color) | #484848 | 0.091 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #743437
#743437
oklch(41.2% 0.09 19)
- #005659
#005659
oklch(41.2% 0.07 198.9)
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 #743437, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.028
- Brownish Purple #76424E ΔE 0.042
- Chestnut #742802 ΔE 0.054
- Red Brown #8B2E16 ΔE 0.057
- Rust Brown #8B3103 ΔE 0.065
- Wine Red #7B0323 ΔE 0.069
- Bordeaux #7B002C ΔE 0.073
- Brown Red #922B05 ΔE 0.073
Use #743437 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.