#72180D
Closest named color: Reddy Brown (#6E1005). oklch(36.4% 0.126 30.7), rgb(114, 24, 13).
Aa
White text reads best on this color (11.33:1).
About this color
#72180D is a dark, moderately saturated red. In OKLCH its lightness is 36%, its chroma 0.126 and its hue 31°. Its hue sits on the warm side of the wheel. The nearest named color is Reddy Brown (#6E1005), ΔE 0.016 away. White text reads best on it, at 11.33:1.
| Hue family | Reds |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.126) |
| Temperature | warm |
| Nearest name | Reddy Brown (#6E1005) |
| Black text | 1.85:1 |
| White text | 11.33:1 |
Values
| HEX | #72180D |
| RGB | rgb(114, 24, 13) |
| HSL | hsl(7, 80%, 25%) |
| OKLCH | oklch(36.4% 0.126 30.7) |
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 #72180D | 11.33:1 | AAA | Lc -98.8 | Preferred for body text |
| Black text on #72180D | 1.85:1 | Fails | Lc 9.0 | Not readable |
| #72180D text on white | 11.33:1 | AAA | Lc 94.9 | Preferred for body text |
| #72180D text on black | 1.85:1 | Fails | Lc -7.7 | 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
#FEF3F0
oklch(97.2% 0.013 35.7)
-
Step 100
100
#FCE4DF
oklch(93.7% 0.027 31.7)
-
Step 200
200
#FACDC5
oklch(88.5% 0.052 29.9)
-
Step 300
300
#F7AA9C
oklch(80.9% 0.094 30.6)
-
Step 400
400
#F07865
oklch(70.7% 0.152 30.5)
-
Step 500
500
#E74D39
oklch(63.1% 0.194 30.5)
-
Step 600
600
#D2240F
oklch(55.6% 0.21 30.7)
-
Step 700
700
#B51300
oklch(49.2% 0.193 30.7)
-
Step 800
800
#931506
oklch(42.6% 0.162 30.7)
-
Step 900
900 (this color)
#72180D
oklch(36.4% 0.126 30.7)
-
Step 950
950
#46130C
oklch(27.1% 0.08 30.7)
#72180D 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) | #342E0A | 0.134 |
| Deuteranopia (no green cones) | #4A4108 | 0.121 |
| Tritanopia (no blue cones) | #7E0017 | 0.034 |
| Achromatopsia (no color) | #3A3A3A | 0.127 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #72180D
#72180D
oklch(36.4% 0.126 30.7)
- #004751
#004751
oklch(36.5% 0.063 210.7)
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 #72180D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Reddy Brown #6E1005 ΔE 0.016
- Blood #770001 ΔE 0.022
- Maroon #800000 ΔE 0.032
- Chestnut #742802 ΔE 0.033
- Wine Red #7B0323 ΔE 0.040
- Claret #680018 ΔE 0.045
- Bordeaux #7B002C ΔE 0.052
- Dark Red #8B0000 ΔE 0.053
Use #72180D 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.