#73281B
Closest named color: Chestnut (#742802). oklch(38.7% 0.109 32.1), rgb(115, 40, 27).
Aa
White text reads best on this color (10.25:1).
About this color
#73281B is a dark, moderately saturated red. In OKLCH its lightness is 39%, its chroma 0.109 and its hue 32°. Its hue sits on the warm side of the wheel. The nearest named color is Chestnut (#742802), ΔE 0.020 away. White text reads best on it, at 10.25:1.
| Hue family | Reds |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.109) |
| Temperature | warm |
| Nearest name | Chestnut (#742802) |
| Black text | 2.04:1 |
| White text | 10.25:1 |
Values
| HEX | #73281B |
| RGB | rgb(115, 40, 27) |
| HSL | hsl(9, 62%, 28%) |
| OKLCH | oklch(38.7% 0.109 32.1) |
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 #73281B | 10.25:1 | AAA | Lc -97.2 | Preferred for body text |
| Black text on #73281B | 2.04:1 | Fails | Lc 10.9 | Not readable |
| #73281B text on white | 10.25:1 | AAA | Lc 93.1 | Preferred for body text |
| #73281B text on black | 2.04:1 | Fails | Lc -9.4 | 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 900.
-
Step 50
50
#FDF3F1
oklch(97.1% 0.011 31.1)
-
Step 100
100
#F9E5E0
oklch(93.7% 0.023 34.3)
-
Step 200
200
#F6CFC7
oklch(88.6% 0.046 31.6)
-
Step 300
300
#F1AEA0
oklch(81% 0.082 32.1)
-
Step 400
400
#E6806C
oklch(70.8% 0.13 32.2)
-
Step 500
500
#DC5A44
oklch(63.1% 0.168 31.7)
-
Step 600
600
#C73A23
oklch(55.6% 0.182 31.9)
-
Step 700
700
#AC2B15
oklch(49.2% 0.169 32.1)
-
Step 800
800
#8B2615
oklch(42.7% 0.139 32.1)
-
Step 900
900 (this color)
#73281B
oklch(38.7% 0.109 32.1)
-
Step 950
950
#42170F
oklch(27% 0.069 32.4)
#73281B 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) | #3D3619 | 0.112 |
| Deuteranopia (no green cones) | #4F4719 | 0.103 |
| Tritanopia (no blue cones) | #7F1625 | 0.040 |
| Achromatopsia (no color) | #414141 | 0.109 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #73281B
#73281B
oklch(38.7% 0.109 32.1)
- #004D59
#004D59
oklch(38.6% 0.067 212.5)
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 #73281B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chestnut #742802 ΔE 0.020
- Reddy Brown #6E1005 ΔE 0.043
- Maroon #800000 ΔE 0.047
- Blood #770001 ΔE 0.048
- Wine Red #7B0323 ΔE 0.053
- Red Brown #8B2E16 ΔE 0.055
- Purple Brown #673A3F ΔE 0.056
- Dark Red #8B0000 ΔE 0.057
Use #73281B 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.