#78181D
Closest named color: Wine Red (#7B0323). oklch(37.8% 0.13 23.6), rgb(120, 24, 29).
Aa
White text reads best on this color (10.78:1).
About this color
#78181D is a dark, moderately saturated red. In OKLCH its lightness is 38%, its chroma 0.130 and its hue 24°. Its hue sits on the warm side of the wheel. The nearest named color is Wine Red (#7B0323), ΔE 0.024 away. White text reads best on it, at 10.78:1.
| Hue family | Reds |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.130) |
| Temperature | warm |
| Nearest name | Wine Red (#7B0323) |
| Black text | 1.94:1 |
| White text | 10.78:1 |
Values
| HEX | #78181D |
| RGB | rgb(120, 24, 29) |
| HSL | hsl(357, 67%, 28%) |
| OKLCH | oklch(37.8% 0.13 23.6) |
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 #78181D | 10.78:1 | AAA | Lc -97.8 | Preferred for body text |
| Black text on #78181D | 1.94:1 | Fails | Lc 10.2 | Not readable |
| #78181D text on white | 10.78:1 | AAA | Lc 93.7 | Preferred for body text |
| #78181D text on black | 1.94:1 | 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
#FEF2F1
oklch(97% 0.013 23.2)
-
Step 100
100
#FCE3E1
oklch(93.6% 0.028 23.2)
-
Step 200
200
#FBCCC8
oklch(88.5% 0.054 23.9)
-
Step 300
300
#F9A8A2
oklch(80.9% 0.097 24.1)
-
Step 400
400
#F27470
oklch(70.6% 0.156 23.7)
-
Step 500
500
#E9474B
oklch(63.1% 0.198 23.6)
-
Step 600
600
#D5142D
oklch(55.6% 0.217 23.7)
-
Step 700
700
#B70021
oklch(49.2% 0.199 23.8)
-
Step 800
800
#950A1C
oklch(42.7% 0.167 23.8)
-
Step 900
900 (this color)
#78181D
oklch(37.8% 0.13 23.6)
-
Step 950
950
#471112
oklch(27.1% 0.082 23.5)
#78181D 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) | #35301C | 0.142 |
| Deuteranopia (no green cones) | #4D451A | 0.129 |
| Tritanopia (no blue cones) | #85001B | 0.030 |
| Achromatopsia (no color) | #3D3D3D | 0.131 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #78181D
#78181D
oklch(37.8% 0.13 23.6)
- #004B51
#004B51
oklch(37.6% 0.064 204)
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 #78181D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Wine Red #7B0323 ΔE 0.024
- Maroon #800000 ΔE 0.028
- Blood #770001 ΔE 0.029
- Reddy Brown #6E1005 ΔE 0.034
- Bordeaux #7B002C ΔE 0.036
- Chestnut #742802 ΔE 0.042
- Dark Red #8B0000 ΔE 0.043
- Claret #680018 ΔE 0.051
Use #78181D 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.