#72100D
Closest named color: Reddy Brown (#6E1005). oklch(35.7% 0.132 28.2), rgb(114, 16, 13).
Aa
White text reads best on this color (11.69:1).
About this color
#72100D is a dark, moderately saturated red. In OKLCH its lightness is 36%, its chroma 0.132 and its hue 28°. Its hue sits on the warm side of the wheel. The nearest named color is Reddy Brown (#6E1005), ΔE 0.011 away. White text reads best on it, at 11.69:1.
| Hue family | Reds |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.132) |
| Temperature | warm |
| Nearest name | Reddy Brown (#6E1005) |
| Black text | 1.79:1 |
| White text | 11.69:1 |
Values
| HEX | #72100D |
| RGB | rgb(114, 16, 13) |
| HSL | hsl(2, 80%, 25%) |
| OKLCH | oklch(35.7% 0.132 28.2) |
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 #72100D | 11.69:1 | AAA | Lc -99.2 | Preferred for body text |
| Black text on #72100D | 1.79:1 | Fails | Lc 8.6 | Not readable |
| #72100D text on white | 11.69:1 | AAA | Lc 95.3 | Preferred for body text |
| #72100D text on black | 1.79:1 | Fails | Lc -7.3 | 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
#FEF2F0
oklch(97% 0.013 28.9)
-
Step 100
100
#FDE3DF
oklch(93.6% 0.029 28.1)
-
Step 200
200
#FCCCC5
oklch(88.5% 0.056 27.9)
-
Step 300
300
#FAA89D
oklch(80.9% 0.099 27.8)
-
Step 400
400
#F37567
oklch(70.7% 0.158 28.2)
-
Step 500
500
#EB473C
oklch(63.2% 0.202 28.2)
-
Step 600
600
#D61415
oklch(55.6% 0.22 28.3)
-
Step 700
700
#B80009
oklch(49.2% 0.201 28.2)
-
Step 800
800
#96090B
oklch(42.7% 0.169 28.2)
-
Step 900
900 (this color)
#72100D
oklch(35.7% 0.132 28.2)
-
Step 950
950
#47110D
oklch(27% 0.083 28.2)
#72100D 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) | #312B0B | 0.142 |
| Deuteranopia (no green cones) | #484007 | 0.130 |
| Tritanopia (no blue cones) | #7E0011 | 0.027 |
| Achromatopsia (no color) | #383838 | 0.133 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #72100D
#72100D
oklch(35.7% 0.132 28.2)
- #00454D
#00454D
oklch(35.7% 0.061 207.9)
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 #72100D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Reddy Brown #6E1005 ΔE 0.011
- Blood #770001 ΔE 0.015
- Maroon #800000 ΔE 0.030
- Wine Red #7B0323 ΔE 0.035
- Claret #680018 ΔE 0.037
- Chestnut #742802 ΔE 0.044
- Bordeaux #7B002C ΔE 0.047
- Dark Red #8B0000 ΔE 0.054
Use #72100D 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.