#73312C
Closest named color: Purple Brown (#673A3F). oklch(40.3% 0.094 26.5), rgb(115, 49, 44).
Aa
White text reads best on this color (9.52:1).
About this color
#73312C is a dark, moderately saturated red. In OKLCH its lightness is 40%, its chroma 0.094 and its hue 26°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.035 away. White text reads best on it, at 9.52:1.
| Hue family | Reds |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.094) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.20:1 |
| White text | 9.52:1 |
Values
| HEX | #73312C |
| RGB | rgb(115, 49, 44) |
| HSL | hsl(4, 45%, 31%) |
| OKLCH | oklch(40.3% 0.094 26.5) |
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 #73312C | 9.52:1 | AAA | Lc -95.9 | Preferred for body text |
| Black text on #73312C | 2.20:1 | Fails | Lc 12.4 | Not readable |
| #73312C text on white | 9.52:1 | AAA | Lc 91.5 | Preferred for body text |
| #73312C text on black | 2.20:1 | Fails | Lc -10.8 | 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
#F4E6E4
oklch(93.5% 0.016 27.3)
-
Step 200
200
#EDD2CE
oklch(88.5% 0.031 27.8)
-
Step 300
300
#E2B4AE
oklch(80.9% 0.054 26.9)
-
Step 400
400
#D28B83
oklch(70.7% 0.088 26.6)
-
Step 500
500
#C46D64
oklch(63.1% 0.112 26.9)
-
Step 600
600
#B0534C
oklch(55.6% 0.123 26.2)
-
Step 700
700
#97433D
oklch(49.1% 0.114 26.2)
-
Step 800
800 (this color)
#73312C
oklch(40.3% 0.094 26.5)
-
Step 900
900
#63312C
oklch(37.8% 0.073 27)
-
Step 950
950
#3A1D1A
oklch(27% 0.046 26.8)
#73312C 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) | #413D2B | 0.099 |
| Deuteranopia (no green cones) | #524B2B | 0.091 |
| Tritanopia (no blue cones) | #7E2530 | 0.033 |
| Achromatopsia (no color) | #454545 | 0.095 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #73312C
#73312C
oklch(40.3% 0.094 26.5)
- #00535B
#00535B
oklch(40.4% 0.069 206)
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 #73312C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.035
- Chestnut #742802 ΔE 0.039
- Red Brown #8B2E16 ΔE 0.053
- Brownish Purple #76424E ΔE 0.056
- Rust Brown #8B3103 ΔE 0.060
- Wine Red #7B0323 ΔE 0.064
- Reddy Brown #6E1005 ΔE 0.065
- Maroon #800000 ΔE 0.066
Use #73312C 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.