#A9221C
Closest named color: Rufous (#AE2012). oklch(47.9% 0.172 28.3), rgb(169, 34, 28).
Aa
White text reads best on this color (7.16:1).
About this color
#A9221C is a medium-dark, vivid red. In OKLCH its lightness is 48%, its chroma 0.172 and its hue 28°. Its hue sits on the warm side of the wheel. The nearest named color is Rufous (#AE2012), ΔE 0.012 away. White text reads best on it, at 7.16:1.
| Hue family | Reds |
| Lightness | medium-dark (48%) |
| Chroma | vivid (0.172) |
| Temperature | warm |
| Nearest name | Rufous (#AE2012) |
| Black text | 2.93:1 |
| White text | 7.16:1 |
Values
| HEX | #A9221C |
| RGB | rgb(169, 34, 28) |
| HSL | hsl(3, 72%, 39%) |
| OKLCH | oklch(47.9% 0.172 28.3) |
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 #A9221C | 7.16:1 | AAA | Lc -88.3 | Fine for body text |
| Black text on #A9221C | 2.93:1 | Fails | Lc 20.8 | Dividers and decoration only |
| #A9221C text on white | 7.16:1 | AAA | Lc 83.3 | Fine for body text |
| #A9221C text on black | 2.93:1 | 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
#FDF3F1
oklch(97.1% 0.011 31.1)
-
Step 100
100
#FAE4E1
oklch(93.6% 0.025 26.9)
-
Step 200
200
#F6CEC8
oklch(88.4% 0.046 28)
-
Step 300
300
#F2ADA2
oklch(81% 0.083 29.1)
-
Step 400
400
#E87E70
oklch(70.8% 0.133 28.7)
-
Step 500
500
#DD584B
oklch(63.1% 0.169 28.4)
-
Step 600
600
#C9362D
oklch(55.6% 0.185 28.3)
-
Step 700
700 (this color)
#A9221C
oklch(47.9% 0.172 28.3)
-
Step 800
800
#8C231C
oklch(42.6% 0.142 28.5)
-
Step 900
900
#71231D
oklch(37.7% 0.111 28)
-
Step 950
950
#431612
oklch(27.1% 0.071 27.8)
#A9221C 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) | #4D4519 | 0.186 |
| Deuteranopia (no green cones) | #6E6215 | 0.168 |
| Tritanopia (no blue cones) | #BB0023 | 0.039 |
| Achromatopsia (no color) | #585858 | 0.173 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A9221C
#A9221C
oklch(47.9% 0.172 28.3)
- #006A76
#006A76
oklch(48% 0.083 208.4)
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 #A9221C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rufous #AE2012 ΔE 0.012
- Brown #A52A2A ΔE 0.015
- Rust Red #AA2704 ΔE 0.017
- Firebrick #B22222 ΔE 0.020
- Burnt Red #9F2305 ΔE 0.026
- Rusty Red #AF2F0D ΔE 0.028
- Brick #A03623 ΔE 0.030
- Auburn #9B2226 ΔE 0.031
Use #A9221C 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.