#77181A
Closest named color: Blood (#770001). oklch(37.5% 0.129 25.1), rgb(119, 24, 26).
Aa
White text reads best on this color (10.88:1).
About this color
#77181A is a dark, moderately saturated red. In OKLCH its lightness is 38%, its chroma 0.129 and its hue 25°. Its hue sits on the warm side of the wheel. The nearest named color is Blood (#770001), ΔE 0.026 away. White text reads best on it, at 10.88:1.
| Hue family | Reds |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.129) |
| Temperature | warm |
| Nearest name | Blood (#770001) |
| Black text | 1.92:1 |
| White text | 10.88:1 |
Values
| HEX | #77181A |
| RGB | rgb(119, 24, 26) |
| HSL | hsl(359, 66%, 28%) |
| OKLCH | oklch(37.5% 0.129 25.1) |
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 #77181A | 10.88:1 | AAA | Lc -97.9 | Preferred for body text |
| Black text on #77181A | 1.92:1 | Fails | Lc 10.0 | Not readable |
| #77181A text on white | 10.88:1 | AAA | Lc 93.9 | Preferred for body text |
| #77181A text on black | 1.92:1 | Fails | Lc -8.6 | 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
#FCE3E0
oklch(93.5% 0.028 25.9)
-
Step 200
200
#FBCCC7
oklch(88.5% 0.054 25.3)
-
Step 300
300
#F9A8A1
oklch(80.9% 0.097 24.9)
-
Step 400
400
#F2756E
oklch(70.7% 0.155 25.1)
-
Step 500
500
#E94847
oklch(63.1% 0.198 25.2)
-
Step 600
600
#D41728
oklch(55.5% 0.215 25.1)
-
Step 700
700
#B7001B
oklch(49.1% 0.199 25.2)
-
Step 800
800
#950C19
oklch(42.7% 0.166 25)
-
Step 900
900 (this color)
#77181A
oklch(37.5% 0.129 25.1)
-
Step 950
950
#471110
oklch(27.1% 0.083 25.5)
#77181A 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) | #353019 | 0.140 |
| Deuteranopia (no green cones) | #4D4416 | 0.127 |
| Tritanopia (no blue cones) | #84001A | 0.030 |
| Achromatopsia (no color) | #3D3D3D | 0.130 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #77181A
#77181A
oklch(37.5% 0.129 25.1)
- #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 #77181A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blood #770001 ΔE 0.026
- Wine Red #7B0323 ΔE 0.027
- Maroon #800000 ΔE 0.027
- Reddy Brown #6E1005 ΔE 0.030
- Bordeaux #7B002C ΔE 0.039
- Chestnut #742802 ΔE 0.039
- Dark Red #8B0000 ΔE 0.044
- Claret #680018 ΔE 0.050
Use #77181A 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.