#7D3131
Closest named color: Red Brown (#8B2E16). oklch(42% 0.106 22.8), rgb(125, 49, 49).
Aa
White text reads best on this color (8.91:1).
About this color
#7D3131 is a dark, moderately saturated red. In OKLCH its lightness is 42%, its chroma 0.106 and its hue 23°. 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 8.91:1.
| Hue family | Reds |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.106) |
| Temperature | warm |
| Nearest name | Red Brown (#8B2E16) |
| Black text | 2.35:1 |
| White text | 8.91:1 |
Values
| HEX | #7D3131 |
| RGB | rgb(125, 49, 49) |
| HSL | hsl(0, 44%, 34%) |
| OKLCH | oklch(42% 0.106 22.8) |
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 #7D3131 | 8.91:1 | AAA | Lc -94.3 | Preferred for body text |
| Black text on #7D3131 | 2.35:1 | Fails | Lc 14.1 | Not readable |
| #7D3131 text on white | 8.91:1 | AAA | Lc 89.8 | Fine for body text |
| #7D3131 text on black | 2.35:1 | Fails | Lc -12.4 | 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
#FBF3F3
oklch(97% 0.009 17.3)
-
Step 100
100
#F6E5E4
oklch(93.5% 0.019 21.6)
-
Step 200
200
#EFD1CF
oklch(88.5% 0.034 22.4)
-
Step 300
300
#E6B1AE
oklch(80.8% 0.062 22.3)
-
Step 400
400
#D88784
oklch(70.7% 0.1 22.2)
-
Step 500
500
#CB6765
oklch(63.1% 0.127 22.5)
-
Step 600
600
#B64C4C
oklch(55.5% 0.138 22.7)
-
Step 700
700
#9C3D3D
oklch(49.1% 0.127 23)
-
Step 800
800 (this color)
#7D3131
oklch(42% 0.106 22.8)
-
Step 900
900
#672D2C
oklch(37.7% 0.084 22.9)
-
Step 950
950
#3C1B1A
oklch(26.9% 0.052 22.9)
#7D3131 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) | #444030 | 0.113 |
| Deuteranopia (no green cones) | #57502F | 0.105 |
| Tritanopia (no blue cones) | #892332 | 0.033 |
| Achromatopsia (no color) | #4A4A4A | 0.107 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7D3131
#7D3131
oklch(42% 0.106 22.8)
- #00585E
#00585E
oklch(41.9% 0.071 202.8)
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 #7D3131, 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 0.047
- Brownish Purple #76424E ΔE 0.049
- Rust Brown #8B3103 ΔE 0.050
- Chestnut #742802 ΔE 0.051
- Brown Red #922B05 ΔE 0.055
- Brick Red #8F1402 ΔE 0.056
- Auburn #9B2226 ΔE 0.061
Use #7D3131 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.