#7C3531
Closest named color: Red Brown (#8B2E16). oklch(42.5% 0.1 25.5), rgb(124, 53, 49).
Aa
White text reads best on this color (8.71:1).
About this color
#7C3531 is a dark, moderately saturated red. In OKLCH its lightness is 42%, its chroma 0.100 and its hue 25°. Its hue sits on the warm side of the wheel. The nearest named color is Red Brown (#8B2E16), ΔE 0.039 away. White text reads best on it, at 8.71:1.
| Hue family | Reds |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.100) |
| Temperature | warm |
| Nearest name | Red Brown (#8B2E16) |
| Black text | 2.41:1 |
| White text | 8.71:1 |
Values
| HEX | #7C3531 |
| RGB | rgb(124, 53, 49) |
| HSL | hsl(3, 43%, 34%) |
| OKLCH | oklch(42.5% 0.1 25.5) |
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 #7C3531 | 8.71:1 | AAA | Lc -93.9 | Preferred for body text |
| Black text on #7C3531 | 2.41:1 | Fails | Lc 14.6 | Not readable |
| #7C3531 text on white | 8.71:1 | AAA | Lc 89.4 | Fine for body text |
| #7C3531 text on black | 2.41:1 | Fails | Lc -12.9 | 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 800.
-
Step 50
50
#FBF4F3
oklch(97.2% 0.008 27.2)
-
Step 100
100
#F5E6E4
oklch(93.6% 0.017 26.7)
-
Step 200
200
#EED1CE
oklch(88.4% 0.033 24.8)
-
Step 300
300
#E4B3AD
oklch(80.9% 0.058 26.5)
-
Step 400
400
#D58A83
oklch(70.8% 0.093 25.5)
-
Step 500
500
#C76A63
oklch(63% 0.119 25.5)
-
Step 600
600
#B3504B
oklch(55.6% 0.13 25.1)
-
Step 700
700
#99403C
oklch(49% 0.12 25.1)
-
Step 800
800 (this color)
#7C3531
oklch(42.5% 0.1 25.5)
-
Step 900
900
#652F2C
oklch(37.7% 0.079 24.8)
-
Step 950
950
#3B1C1A
oklch(26.9% 0.049 24.7)
#7C3531 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) | #464230 | 0.106 |
| Deuteranopia (no green cones) | #58512F | 0.098 |
| Tritanopia (no blue cones) | #882934 | 0.033 |
| Achromatopsia (no color) | #4B4B4B | 0.101 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7C3531
#7C3531
oklch(42.5% 0.1 25.5)
- #005961
#005961
oklch(42.4% 0.072 205.4)
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 #7C3531, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Red Brown #8B2E16 ΔE 0.039
- Purple Brown #673A3F ΔE 0.044
- Brownish Purple #76424E ΔE 0.045
- Rust Brown #8B3103 ΔE 0.047
- Chestnut #742802 ΔE 0.052
- Brown Red #922B05 ΔE 0.054
- Brick Red #8F1402 ΔE 0.061
- Auburn #9B2226 ΔE 0.064
Use #7C3531 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.