#73313B
Closest named color: Purple Brown (#673A3F). oklch(40.7% 0.093 12.8), rgb(115, 49, 59).
Aa
White text reads best on this color (9.41:1).
About this color
#73313B is a dark, moderately saturated red. In OKLCH its lightness is 41%, its chroma 0.093 and its hue 13°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.029 away. White text reads best on it, at 9.41:1.
| Hue family | Reds |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.093) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.23:1 |
| White text | 9.41:1 |
Values
| HEX | #73313B |
| RGB | rgb(115, 49, 59) |
| HSL | hsl(351, 40%, 32%) |
| OKLCH | oklch(40.7% 0.093 12.8) |
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 #73313B | 9.41:1 | AAA | Lc -95.6 | Preferred for body text |
| Black text on #73313B | 2.23:1 | Fails | Lc 12.7 | Not readable |
| #73313B text on white | 9.41:1 | AAA | Lc 91.3 | Preferred for body text |
| #73313B text on black | 2.23:1 | Fails | Lc -11.1 | 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
#F4E6E7
oklch(93.6% 0.015 12.4)
-
Step 200
200
#ECD1D3
oklch(88.4% 0.03 12.6)
-
Step 300
300
#E2B3B7
oklch(81% 0.055 12.6)
-
Step 400
400
#D18A91
oklch(70.7% 0.087 13.1)
-
Step 500
500
#C36B76
oklch(63% 0.112 12.8)
-
Step 600
600
#AE525F
oklch(55.6% 0.121 13)
-
Step 700
700
#95424E
oklch(49.1% 0.112 13.2)
-
Step 800
800 (this color)
#73313B
oklch(40.7% 0.093 12.8)
-
Step 900
900
#623037
oklch(37.7% 0.072 12.3)
-
Step 950
950
#3A1C20
oklch(27% 0.047 12.2)
#73313B 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) | #3F3E3B | 0.102 |
| Deuteranopia (no green cones) | #504B3A | 0.093 |
| Tritanopia (no blue cones) | #7D2835 | 0.025 |
| Achromatopsia (no color) | #464646 | 0.094 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #73313B
#73313B
oklch(40.7% 0.093 12.8)
- #005554
#005554
oklch(40.7% 0.07 193.4)
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 #73313B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.029
- Brownish Purple #76424E ΔE 0.045
- Chestnut #742802 ΔE 0.060
- Wine Red #7B0323 ΔE 0.064
- Red Brown #8B2E16 ΔE 0.065
- Bordeaux #7B002C ΔE 0.065
- Wine #80013F ΔE 0.070
- Red Wine #8C0034 ΔE 0.070
Use #73313B 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.