#7C3739
Closest named color: Brownish Purple (#76424E). oklch(43% 0.096 20.2), rgb(124, 55, 57).
Aa
White text reads best on this color (8.52:1).
About this color
#7C3739 is a dark, moderately saturated red. In OKLCH its lightness is 43%, its chroma 0.096 and its hue 20°. Its hue sits on the warm side of the wheel. The nearest named color is Brownish Purple (#76424E), ΔE 0.035 away. White text reads best on it, at 8.52:1.
| Hue family | Reds |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.096) |
| Temperature | warm |
| Nearest name | Brownish Purple (#76424E) |
| Black text | 2.46:1 |
| White text | 8.52:1 |
Values
| HEX | #7C3739 |
| RGB | rgb(124, 55, 57) |
| HSL | hsl(358, 39%, 35%) |
| OKLCH | oklch(43% 0.096 20.2) |
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 #7C3739 | 8.52:1 | AAA | Lc -93.5 | Preferred for body text |
| Black text on #7C3739 | 2.46:1 | Fails | Lc 15.1 | Dividers and decoration only |
| #7C3739 text on white | 8.52:1 | AAA | Lc 88.9 | Fine for body text |
| #7C3739 text on black | 2.46:1 | Fails | Lc -13.3 | 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
#F5E6E5
oklch(93.7% 0.016 22.1)
-
Step 200
200
#EDD1D0
oklch(88.4% 0.031 20.2)
-
Step 300
300
#E3B3B1
oklch(80.9% 0.056 21.2)
-
Step 400
400
#D38A89
oklch(70.7% 0.09 20.4)
-
Step 500
500
#C56B6C
oklch(63.1% 0.115 20.1)
-
Step 600
600
#B15154
oklch(55.7% 0.126 20.1)
-
Step 700
700
#984144
oklch(49.1% 0.117 20.3)
-
Step 800
800 (this color)
#7C3739
oklch(43% 0.096 20.2)
-
Step 900
900
#643031
oklch(37.9% 0.075 20.1)
-
Step 950
950
#3B1C1D
oklch(27% 0.049 18.8)
#7C3739 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) | #474439 | 0.103 |
| Deuteranopia (no green cones) | #585238 | 0.096 |
| Tritanopia (no blue cones) | #872D38 | 0.028 |
| Achromatopsia (no color) | #4C4C4C | 0.097 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7C3739
#7C3739
oklch(43% 0.096 20.2)
- #005B60
#005B60
oklch(42.9% 0.073 201.3)
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 #7C3739, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brownish Purple #76424E ΔE 0.035
- Purple Brown #673A3F ΔE 0.042
- Red Brown #8B2E16 ΔE 0.046
- Rust Brown #8B3103 ΔE 0.055
- Brown Red #922B05 ΔE 0.061
- Chestnut #742802 ΔE 0.062
- Auburn #9B2226 ΔE 0.066
- Brick Red #8F1402 ΔE 0.068
Use #7C3739 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.