#A9191D
Closest named color: Rufous (#AE2012). oklch(47.3% 0.177 26.4), rgb(169, 25, 29).
Aa
White text reads best on this color (7.38:1).
About this color
#A9191D is a medium-dark, vivid red. In OKLCH its lightness is 47%, its chroma 0.177 and its hue 26°. Its hue sits on the warm side of the wheel. The nearest named color is Rufous (#AE2012), ΔE 0.018 away. White text reads best on it, at 7.38:1.
| Hue family | Reds |
| Lightness | medium-dark (47%) |
| Chroma | vivid (0.177) |
| Temperature | warm |
| Nearest name | Rufous (#AE2012) |
| Black text | 2.84:1 |
| White text | 7.38:1 |
Values
| HEX | #A9191D |
| RGB | rgb(169, 25, 29) |
| HSL | hsl(358, 74%, 38%) |
| OKLCH | oklch(47.3% 0.177 26.4) |
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 #A9191D | 7.38:1 | AAA | Lc -88.8 | Fine for body text |
| Black text on #A9191D | 2.84:1 | Fails | Lc 20.2 | Dividers and decoration only |
| #A9191D text on white | 7.38:1 | AAA | Lc 83.8 | Fine for body text |
| #A9191D text on black | 2.84:1 | Fails | Lc -18.1 | Dividers and decoration only |
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 700.
-
Step 50
50
#FDF3F1
oklch(97.1% 0.011 31.1)
-
Step 100
100
#FAE4E1
oklch(93.6% 0.025 26.9)
-
Step 200
200
#F7CEC9
oklch(88.5% 0.047 26.2)
-
Step 300
300
#F3ACA3
oklch(80.9% 0.085 27.2)
-
Step 400
400
#EA7C72
oklch(70.8% 0.137 26.5)
-
Step 500
500
#E0544D
oklch(63.1% 0.176 26.3)
-
Step 600
600
#CB3130
oklch(55.6% 0.191 26.3)
-
Step 700
700 (this color)
#A9191D
oklch(47.3% 0.177 26.4)
-
Step 800
800
#8E1F1E
oklch(42.6% 0.147 26.5)
-
Step 900
900
#72211E
oklch(37.6% 0.114 26.3)
-
Step 950
950
#431512
oklch(26.9% 0.072 26.7)
#A9191D 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) | #4A421B | 0.193 |
| Deuteranopia (no green cones) | #6C6015 | 0.175 |
| Tritanopia (no blue cones) | #BB001D | 0.036 |
| Achromatopsia (no color) | #565656 | 0.179 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A9191D
#A9191D
oklch(47.3% 0.177 26.4)
- #006872
#006872
oklch(47.3% 0.081 206.3)
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 #A9191D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rufous #AE2012 ΔE 0.018
- Brown #A52A2A ΔE 0.019
- Firebrick #B22222 ΔE 0.024
- Rust Red #AA2704 ΔE 0.026
- Burnt Red #9F2305 ΔE 0.028
- Auburn #9B2226 ΔE 0.029
- Carmine #9D0216 ΔE 0.034
- Rouge #AB1239 ΔE 0.034
Use #A9191D 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.