#AD0D2A
Closest named color: Rouge (#AB1239). oklch(47.7% 0.186 21.2), rgb(173, 13, 42).
Aa
White text reads best on this color (7.32:1).
About this color
#AD0D2A is a medium-dark, vivid red. In OKLCH its lightness is 48%, its chroma 0.186 and its hue 21°. Its hue sits on the warm side of the wheel. The nearest named color is Rouge (#AB1239), ΔE 0.018 away. White text reads best on it, at 7.32:1.
| Hue family | Reds |
| Lightness | medium-dark (48%) |
| Chroma | vivid (0.186) |
| Temperature | warm |
| Nearest name | Rouge (#AB1239) |
| Black text | 2.86:1 |
| White text | 7.32:1 |
Values
| HEX | #AD0D2A |
| RGB | rgb(173, 13, 42) |
| HSL | hsl(349, 86%, 36%) |
| OKLCH | oklch(47.7% 0.186 21.2) |
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 #AD0D2A | 7.32:1 | AAA | Lc -88.3 | Fine for body text |
| Black text on #AD0D2A | 2.86:1 | Fails | Lc 20.8 | Dividers and decoration only |
| #AD0D2A text on white | 7.32:1 | AAA | Lc 83.3 | Fine for body text |
| #AD0D2A text on black | 2.86:1 | Fails | Lc -18.7 | 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
#FEF2F2
oklch(97.1% 0.013 17.4)
-
Step 100
100
#FBE3E2
oklch(93.5% 0.026 20.5)
-
Step 200
200
#F9CDCB
oklch(88.6% 0.05 21.2)
-
Step 300
300
#F5AAA7
oklch(80.9% 0.089 21.8)
-
Step 400
400
#ED7879
oklch(70.7% 0.145 20.9)
-
Step 500
500
#E34F56
oklch(63.1% 0.183 21.4)
-
Step 600
600
#CE283C
oklch(55.6% 0.199 21.1)
-
Step 700
700 (this color)
#AD0D2A
oklch(47.7% 0.186 21.2)
-
Step 800
800
#901827
oklch(42.6% 0.154 21)
-
Step 900
900
#741E24
oklch(37.7% 0.119 21.3)
-
Step 950
950
#441315
oklch(26.9% 0.076 21.4)
#AD0D2A 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) | #474129 | 0.206 |
| Deuteranopia (no green cones) | #6D6224 | 0.188 |
| Tritanopia (no blue cones) | #BF001C | 0.039 |
| Achromatopsia (no color) | #565656 | 0.187 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AD0D2A
#AD0D2A
oklch(47.7% 0.186 21.2)
- #006A70
#006A70
oklch(47.7% 0.081 201.6)
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 #AD0D2A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rouge #AB1239 ΔE 0.018
- Firebrick #B22222 ΔE 0.027
- Brown #A52A2A ΔE 0.029
- Rufous #AE2012 ΔE 0.031
- Scarlet #BE0119 ΔE 0.038
- Auburn #9B2226 ΔE 0.038
- Lipstick Red #C0022F ΔE 0.039
- Carmine #9D0216 ΔE 0.041
Use #AD0D2A 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.