#73221C
Closest named color: Chestnut (#742802). oklch(37.9% 0.115 28.1), rgb(115, 34, 28).
Aa
White text reads best on this color (10.63:1).
About this color
#73221C is a dark, moderately saturated red. In OKLCH its lightness is 38%, its chroma 0.115 and its hue 28°. Its hue sits on the warm side of the wheel. The nearest named color is Chestnut (#742802), ΔE 0.028 away. White text reads best on it, at 10.63:1.
| Hue family | Reds |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.115) |
| Temperature | warm |
| Nearest name | Chestnut (#742802) |
| Black text | 1.97:1 |
| White text | 10.63:1 |
Values
| HEX | #73221C |
| RGB | rgb(115, 34, 28) |
| HSL | hsl(4, 61%, 28%) |
| OKLCH | oklch(37.9% 0.115 28.1) |
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 #73221C | 10.63:1 | AAA | Lc -97.8 | Preferred for body text |
| Black text on #73221C | 1.97:1 | Fails | Lc 10.2 | Not readable |
| #73221C text on white | 10.63:1 | AAA | Lc 93.8 | Preferred for body text |
| #73221C text on black | 1.97:1 | Fails | Lc -8.8 | 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 900.
-
Step 50
50
#FDF3F1
oklch(97.1% 0.011 31.1)
-
Step 100
100
#FAE4E1
oklch(93.6% 0.025 26.9)
-
Step 200
200
#F7CEC8
oklch(88.5% 0.047 27.8)
-
Step 300
300
#F3ACA2
oklch(80.9% 0.085 28)
-
Step 400
400
#EA7C6F
oklch(70.7% 0.138 28.1)
-
Step 500
500
#E05549
oklch(63.2% 0.176 28)
-
Step 600
600
#CB322A
oklch(55.6% 0.191 28.2)
-
Step 700
700
#AF211D
oklch(49% 0.178 27.9)
-
Step 800
800
#8E1F1A
oklch(42.6% 0.147 28)
-
Step 900
900 (this color)
#73221C
oklch(37.9% 0.115 28.1)
-
Step 950
950
#431511
oklch(26.9% 0.072 27.9)
#73221C 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) | #39331B | 0.121 |
| Deuteranopia (no green cones) | #4D4519 | 0.112 |
| Tritanopia (no blue cones) | #7F0A21 | 0.037 |
| Achromatopsia (no color) | #3E3E3E | 0.116 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #73221C
#73221C
oklch(37.9% 0.115 28.1)
- #004B54
#004B54
oklch(37.8% 0.065 208.5)
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 #73221C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chestnut #742802 ΔE 0.028
- Reddy Brown #6E1005 ΔE 0.034
- Blood #770001 ΔE 0.038
- Maroon #800000 ΔE 0.040
- Wine Red #7B0323 ΔE 0.041
- Bordeaux #7B002C ΔE 0.052
- Dark Red #8B0000 ΔE 0.054
- Claret #680018 ΔE 0.057
Use #73221C 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.