#783131
Closest named color: Purple Brown (#673A3F). oklch(41.2% 0.1 22.5), rgb(120, 49, 49).
Aa
White text reads best on this color (9.20:1).
About this color
#783131 is a dark, moderately saturated red. In OKLCH its lightness is 41%, its chroma 0.100 and its hue 22°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.039 away. White text reads best on it, at 9.20:1.
| Hue family | Reds |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.100) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.28:1 |
| White text | 9.20:1 |
Values
| HEX | #783131 |
| RGB | rgb(120, 49, 49) |
| HSL | hsl(0, 42%, 33%) |
| OKLCH | oklch(41.2% 0.1 22.5) |
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 #783131 | 9.20:1 | AAA | Lc -95.1 | Preferred for body text |
| Black text on #783131 | 2.28:1 | Fails | Lc 13.3 | Not readable |
| #783131 text on white | 9.20:1 | AAA | Lc 90.7 | Preferred for body text |
| #783131 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
#FBF3F3
oklch(97% 0.009 17.3)
-
Step 100
100
#F5E6E5
oklch(93.7% 0.016 22.1)
-
Step 200
200
#EED1CF
oklch(88.4% 0.033 22.5)
-
Step 300
300
#E4B2AF
oklch(80.8% 0.059 22.4)
-
Step 400
400
#D58986
oklch(70.7% 0.094 22.2)
-
Step 500
500
#C76A68
oklch(63.1% 0.119 22.3)
-
Step 600
600
#B3504F
oklch(55.7% 0.13 22.8)
-
Step 700
700
#994040
oklch(49.1% 0.12 22.5)
-
Step 800
800 (this color)
#783131
oklch(41.2% 0.1 22.5)
-
Step 900
900
#652F2E
oklch(37.8% 0.078 22.6)
-
Step 950
950
#3B1C1B
oklch(27% 0.049 22.8)
#783131 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) | #423E30 | 0.107 |
| Deuteranopia (no green cones) | #544D2F | 0.098 |
| Tritanopia (no blue cones) | #832532 | 0.030 |
| Achromatopsia (no color) | #484848 | 0.101 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #783131
#783131
oklch(41.2% 0.1 22.5)
- #00565B
#00565B
oklch(41.2% 0.07 201.6)
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 #783131, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.039
- Chestnut #742802 ΔE 0.047
- Red Brown #8B2E16 ΔE 0.047
- Brownish Purple #76424E ΔE 0.049
- Rust Brown #8B3103 ΔE 0.056
- Brick Red #8F1402 ΔE 0.062
- Brown Red #922B05 ΔE 0.063
- Wine Red #7B0323 ΔE 0.063
Use #783131 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.