#7C3640
Closest named color: Brownish Purple (#76424E). oklch(43% 0.098 13.3), rgb(124, 54, 64).
Aa
White text reads best on this color (8.54:1).
About this color
#7C3640 is a dark, moderately saturated red. In OKLCH its lightness is 43%, its chroma 0.098 and its hue 13°. Its hue sits on the warm side of the wheel. The nearest named color is Brownish Purple (#76424E), ΔE 0.031 away. White text reads best on it, at 8.54:1.
| Hue family | Reds |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.098) |
| Temperature | warm |
| Nearest name | Brownish Purple (#76424E) |
| Black text | 2.45:1 |
| White text | 8.54:1 |
Values
| HEX | #7C3640 |
| RGB | rgb(124, 54, 64) |
| HSL | hsl(351, 39%, 35%) |
| OKLCH | oklch(43% 0.098 13.3) |
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 #7C3640 | 8.54:1 | AAA | Lc -93.5 | Preferred for body text |
| Black text on #7C3640 | 2.45:1 | Fails | Lc 15.1 | Dividers and decoration only |
| #7C3640 text on white | 8.54:1 | AAA | Lc 88.9 | Fine for body text |
| #7C3640 text on black | 2.45:1 | 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
#FAF3F4
oklch(97% 0.008 7.3)
-
Step 100
100
#F5E6E7
oklch(93.7% 0.016 12.8)
-
Step 200
200
#EDD1D3
oklch(88.5% 0.031 12.8)
-
Step 300
300
#E3B2B6
oklch(80.9% 0.057 12.9)
-
Step 400
400
#D38990
oklch(70.7% 0.091 13.5)
-
Step 500
500
#C56A75
oklch(63.1% 0.116 13.3)
-
Step 600
600
#B1505D
oklch(55.7% 0.127 13.9)
-
Step 700
700
#97404D
oklch(49.1% 0.117 13.3)
-
Step 800
800 (this color)
#7C3640
oklch(43% 0.098 13.3)
-
Step 900
900
#632F36
oklch(37.7% 0.075 12.9)
-
Step 950
950
#3A1C1F
oklch(26.9% 0.047 14.4)
#7C3640 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) | #454440 | 0.106 |
| Deuteranopia (no green cones) | #56523E | 0.100 |
| Tritanopia (no blue cones) | #872D3A | 0.026 |
| Achromatopsia (no color) | #4C4C4C | 0.099 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7C3640
#7C3640
oklch(43% 0.098 13.3)
- #005C5B
#005C5B
oklch(42.9% 0.073 193.5)
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 #7C3640, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brownish Purple #76424E ΔE 0.031
- Purple Brown #673A3F ΔE 0.042
- Red Brown #8B2E16 ΔE 0.055
- Rust Brown #8B3103 ΔE 0.066
- Auburn #9B2226 ΔE 0.068
- Brown Red #922B05 ΔE 0.069
- Red Wine #8C0034 ΔE 0.069
- Dark Mauve #874C62 ΔE 0.069
Use #7C3640 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.