#721B19
Closest named color: Reddy Brown (#6E1005). oklch(36.8% 0.121 26.5), rgb(114, 27, 25).
Aa
White text reads best on this color (11.13:1).
About this color
#721B19 is a dark, moderately saturated red. In OKLCH its lightness is 37%, its chroma 0.121 and its hue 27°. Its hue sits on the warm side of the wheel. The nearest named color is Reddy Brown (#6E1005), ΔE 0.023 away. White text reads best on it, at 11.13:1.
| Hue family | Reds |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.121) |
| Temperature | warm |
| Nearest name | Reddy Brown (#6E1005) |
| Black text | 1.88:1 |
| White text | 11.13:1 |
Values
| HEX | #721B19 |
| RGB | rgb(114, 27, 25) |
| HSL | hsl(1, 64%, 27%) |
| OKLCH | oklch(36.8% 0.121 26.5) |
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 #721B19 | 11.13:1 | AAA | Lc -98.6 | Preferred for body text |
| Black text on #721B19 | 1.88:1 | Fails | Lc 9.3 | Not readable |
| #721B19 text on white | 11.13:1 | AAA | Lc 94.6 | Preferred for body text |
| #721B19 text on black | 1.88:1 | Fails | Lc -8.0 | 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 900.
-
Step 50
50
#FEF3F1
oklch(97.2% 0.012 29.9)
-
Step 100
100
#FBE4E1
oklch(93.7% 0.026 26.5)
-
Step 200
200
#F9CDC8
oklch(88.5% 0.05 25.7)
-
Step 300
300
#F6AAA1
oklch(80.9% 0.091 26.8)
-
Step 400
400
#EE796F
oklch(70.8% 0.146 26.4)
-
Step 500
500
#E44F48
oklch(63.1% 0.186 26.6)
-
Step 600
600
#CF282A
oklch(55.5% 0.202 26.4)
-
Step 700
700
#B3161C
oklch(49.1% 0.188 26.6)
-
Step 800
800
#91191A
oklch(42.7% 0.155 26.6)
-
Step 900
900 (this color)
#721B19
oklch(36.8% 0.121 26.5)
-
Step 950
950
#451311
oklch(27% 0.077 26)
#721B19 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) | #352F18 | 0.130 |
| Deuteranopia (no green cones) | #4A4216 | 0.119 |
| Tritanopia (no blue cones) | #7E001C | 0.034 |
| Achromatopsia (no color) | #3B3B3B | 0.122 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #721B19
#721B19
oklch(36.8% 0.121 26.5)
- #004850
#004850
oklch(36.7% 0.063 207.4)
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 #721B19, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Reddy Brown #6E1005 ΔE 0.023
- Blood #770001 ΔE 0.028
- Wine Red #7B0323 ΔE 0.034
- Maroon #800000 ΔE 0.035
- Chestnut #742802 ΔE 0.036
- Claret #680018 ΔE 0.045
- Bordeaux #7B002C ΔE 0.045
- Dark Red #8B0000 ΔE 0.054
Use #721B19 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.