#721D17
Closest named color: Reddy Brown (#6E1005). oklch(37% 0.12 28.4), rgb(114, 29, 23).
Aa
White text reads best on this color (11.03:1).
About this color
#721D17 is a dark, moderately saturated red. In OKLCH its lightness is 37%, its chroma 0.120 and its hue 28°. Its hue sits on the warm side of the wheel. The nearest named color is Reddy Brown (#6E1005), ΔE 0.024 away. White text reads best on it, at 11.03:1.
| Hue family | Reds |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.120) |
| Temperature | warm |
| Nearest name | Reddy Brown (#6E1005) |
| Black text | 1.90:1 |
| White text | 11.03:1 |
Values
| HEX | #721D17 |
| RGB | rgb(114, 29, 23) |
| HSL | hsl(4, 66%, 27%) |
| OKLCH | oklch(37% 0.12 28.4) |
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 #721D17 | 11.03:1 | AAA | Lc -98.4 | Preferred for body text |
| Black text on #721D17 | 1.90:1 | Fails | Lc 9.5 | Not readable |
| #721D17 text on white | 11.03:1 | AAA | Lc 94.5 | Preferred for body text |
| #721D17 text on black | 1.90:1 | Fails | Lc -8.1 | 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 900.
-
Step 50
50
#FDF3F1
oklch(97.1% 0.011 31.1)
-
Step 100
100
#FBE4E0
oklch(93.6% 0.026 29.4)
-
Step 200
200
#F9CDC7
oklch(88.5% 0.051 27.2)
-
Step 300
300
#F5ABA0
oklch(80.9% 0.089 28.6)
-
Step 400
400
#ED7A6C
oklch(70.7% 0.144 28.4)
-
Step 500
500
#E35144
oklch(63.1% 0.184 28.5)
-
Step 600
600
#CE2C24
oklch(55.6% 0.199 28.5)
-
Step 700
700
#B21B17
oklch(49.1% 0.185 28.4)
-
Step 800
800
#911B16
oklch(42.8% 0.154 28.3)
-
Step 900
900 (this color)
#721D17
oklch(37% 0.12 28.4)
-
Step 950
950
#441410
oklch(26.9% 0.075 27.9)
#721D17 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) | #363016 | 0.127 |
| Deuteranopia (no green cones) | #4B4314 | 0.117 |
| Tritanopia (no blue cones) | #7E001C | 0.037 |
| Achromatopsia (no color) | #3C3C3C | 0.121 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #721D17
#721D17
oklch(37% 0.12 28.4)
- #004952
#004952
oklch(37.1% 0.064 208.8)
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 #721D17, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Reddy Brown #6E1005 ΔE 0.024
- Blood #770001 ΔE 0.030
- Chestnut #742802 ΔE 0.032
- Maroon #800000 ΔE 0.035
- Wine Red #7B0323 ΔE 0.038
- Claret #680018 ΔE 0.049
- Bordeaux #7B002C ΔE 0.049
- Dark Red #8B0000 ΔE 0.053
Use #721D17 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.