#73331D
Closest named color: Chestnut (#742802). oklch(40.4% 0.097 39.2), rgb(115, 51, 29).
Aa
White text reads best on this color (9.45:1).
About this color
#73331D is a dark, moderately saturated red. In OKLCH its lightness is 40%, its chroma 0.097 and its hue 39°. Its hue sits on the warm side of the wheel. The nearest named color is Chestnut (#742802), ΔE 0.026 away. White text reads best on it, at 9.45:1.
| Hue family | Reds |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.097) |
| Temperature | warm |
| Nearest name | Chestnut (#742802) |
| Black text | 2.22:1 |
| White text | 9.45:1 |
Values
| HEX | #73331D |
| RGB | rgb(115, 51, 29) |
| HSL | hsl(15, 60%, 28%) |
| OKLCH | oklch(40.4% 0.097 39.2) |
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 #73331D | 9.45:1 | AAA | Lc -95.7 | Preferred for body text |
| Black text on #73331D | 2.22:1 | Fails | Lc 12.6 | Not readable |
| #73331D text on white | 9.45:1 | AAA | Lc 91.4 | Preferred for body text |
| #73331D text on black | 2.22:1 | Fails | Lc -11.0 | 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
#FAF4F2
oklch(97.1% 0.007 39.5)
-
Step 100
100
#F4E6E2
oklch(93.5% 0.016 36.5)
-
Step 200
200
#EDD3CA
oklch(88.6% 0.032 40.1)
-
Step 300
300
#E2B5A6
oklch(80.9% 0.057 39.2)
-
Step 400
400
#D28D76
oklch(70.7% 0.091 39.2)
-
Step 500
500
#C46F53
oklch(63.1% 0.116 38.9)
-
Step 600
600
#AF5637
oklch(55.6% 0.125 39.5)
-
Step 700
700
#964529
oklch(49% 0.117 39.3)
-
Step 800
800 (this color)
#73331D
oklch(40.4% 0.097 39.2)
-
Step 900
900
#633222
oklch(37.7% 0.076 38.7)
-
Step 950
950
#3A1E14
oklch(27.1% 0.047 40.3)
#73331D 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) | #443D1B | 0.094 |
| Deuteranopia (no green cones) | #544B1C | 0.085 |
| Tritanopia (no blue cones) | #7F262E | 0.046 |
| Achromatopsia (no color) | #464646 | 0.097 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #73331D
#73331D
oklch(40.4% 0.097 39.2)
- #005263
#005263
oklch(40.5% 0.073 218)
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 #73331D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chestnut #742802 ΔE 0.026
- Purple Brown #673A3F ΔE 0.048
- Red Brown #8B2E16 ΔE 0.048
- Rust Brown #8B3103 ΔE 0.050
- Brown Red #922B05 ΔE 0.063
- Brick Red #8F1402 ΔE 0.066
- Mud Brown #60460F ΔE 0.066
- Reddy Brown #6E1005 ΔE 0.066
Use #73331D 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.