#A8211F
Closest named color: Brown (#A52A2A). oklch(47.7% 0.171 27.3), rgb(168, 33, 31).
Aa
White text reads best on this color (7.23:1).
About this color
#A8211F is a medium-dark, vivid red. In OKLCH its lightness is 48%, its chroma 0.171 and its hue 27°. Its hue sits on the warm side of the wheel. The nearest named color is Brown (#A52A2A), ΔE 0.013 away. White text reads best on it, at 7.23:1.
| Hue family | Reds |
| Lightness | medium-dark (48%) |
| Chroma | vivid (0.171) |
| Temperature | warm |
| Nearest name | Brown (#A52A2A) |
| Black text | 2.90:1 |
| White text | 7.23:1 |
Values
| HEX | #A8211F |
| RGB | rgb(168, 33, 31) |
| HSL | hsl(1, 69%, 39%) |
| OKLCH | oklch(47.7% 0.171 27.3) |
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 #A8211F | 7.23:1 | AAA | Lc -88.5 | Fine for body text |
| Black text on #A8211F | 2.90:1 | Fails | Lc 20.5 | Dividers and decoration only |
| #A8211F text on white | 7.23:1 | AAA | Lc 83.5 | Fine for body text |
| #A8211F text on black | 2.90:1 | Fails | Lc -18.4 | 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
#F6CEC9
oklch(88.4% 0.046 26.4)
-
Step 300
300
#F2ADA4
oklch(81% 0.083 27.3)
-
Step 400
400
#E77E72
oklch(70.7% 0.132 27.7)
-
Step 500
500
#DD584D
oklch(63.1% 0.169 27.6)
-
Step 600
600
#C83631
oklch(55.5% 0.184 27.1)
-
Step 700
700 (this color)
#A8211F
oklch(47.7% 0.171 27.3)
-
Step 800
800
#8C231F
oklch(42.7% 0.141 27.2)
-
Step 900
900
#71231F
oklch(37.7% 0.111 26.7)
-
Step 950
950
#421612
oklch(26.9% 0.069 27.8)
#A8211F 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) | #4C441D | 0.186 |
| Deuteranopia (no green cones) | #6D6118 | 0.168 |
| Tritanopia (no blue cones) | #B90023 | 0.037 |
| Achromatopsia (no color) | #575757 | 0.172 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A8211F
#A8211F
oklch(47.7% 0.171 27.3)
- #006974
#006974
oklch(47.6% 0.082 207.4)
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 #A8211F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brown #A52A2A ΔE 0.013
- Rufous #AE2012 ΔE 0.015
- Rust Red #AA2704 ΔE 0.021
- Firebrick #B22222 ΔE 0.022
- Burnt Red #9F2305 ΔE 0.026
- Auburn #9B2226 ΔE 0.028
- Brick #A03623 ΔE 0.031
- Rusty Red #AF2F0D ΔE 0.032
Use #A8211F 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.