#A9142D
Closest named color: Rouge (#AB1239). oklch(47.3% 0.179 20.4), rgb(169, 20, 45).
Aa
White text reads best on this color (7.43:1).
About this color
#A9142D is a medium-dark, vivid red. In OKLCH its lightness is 47%, its chroma 0.179 and its hue 20°. Its hue sits on the warm side of the wheel. The nearest named color is Rouge (#AB1239), ΔE 0.016 away. White text reads best on it, at 7.43:1.
| Hue family | Reds |
| Lightness | medium-dark (47%) |
| Chroma | vivid (0.179) |
| Temperature | warm |
| Nearest name | Rouge (#AB1239) |
| Black text | 2.82:1 |
| White text | 7.43:1 |
Values
| HEX | #A9142D |
| RGB | rgb(169, 20, 45) |
| HSL | hsl(350, 79%, 37%) |
| OKLCH | oklch(47.3% 0.179 20.4) |
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 #A9142D | 7.43:1 | AAA | Lc -88.9 | Fine for body text |
| Black text on #A9142D | 2.82:1 | Fails | Lc 20.1 | Dividers and decoration only |
| #A9142D text on white | 7.43:1 | AAA | Lc 83.9 | Fine for body text |
| #A9142D text on black | 2.82:1 | 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
#FDF3F2
oklch(97.2% 0.011 24.3)
-
Step 100
100
#FAE4E3
oklch(93.6% 0.024 20.7)
-
Step 200
200
#F8CDCC
oklch(88.5% 0.049 19.7)
-
Step 300
300
#F4ABA9
oklch(81% 0.086 20.9)
-
Step 400
400
#EA7A7B
oklch(70.7% 0.139 20.6)
-
Step 500
500
#E0525A
oklch(63.1% 0.177 20.5)
-
Step 600
600
#CB2E40
oklch(55.5% 0.192 20.5)
-
Step 700
700 (this color)
#A9142D
oklch(47.3% 0.179 20.4)
-
Step 800
800
#8E1D2A
oklch(42.6% 0.147 20.5)
-
Step 900
900
#732026
oklch(37.8% 0.116 20.7)
-
Step 950
950
#441417
oklch(27.1% 0.074 19.9)
#A9142D 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) | #47412D | 0.198 |
| Deuteranopia (no green cones) | #6B6028 | 0.180 |
| Tritanopia (no blue cones) | #BA0020 | 0.036 |
| Achromatopsia (no color) | #555555 | 0.180 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A9142D
#A9142D
oklch(47.3% 0.179 20.4)
- #00696E
#00696E
oklch(47.4% 0.081 200.5)
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 #A9142D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rouge #AB1239 ΔE 0.016
- Brown #A52A2A ΔE 0.026
- Auburn #9B2226 ΔE 0.031
- Firebrick #B22222 ΔE 0.031
- Rufous #AE2012 ΔE 0.034
- Carmine #9D0216 ΔE 0.037
- Cranberry #9E003A ΔE 0.038
- Rust Red #AA2704 ΔE 0.043
Use #A9142D 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.