#A5222E
Closest named color: Brown (#A52A2A). oklch(47.4% 0.166 22), rgb(165, 34, 46).
Aa
White text reads best on this color (7.32:1).
About this color
#A5222E is a medium-dark, vivid red. In OKLCH its lightness is 47%, its chroma 0.166 and its hue 22°. Its hue sits on the warm side of the wheel. The nearest named color is Brown (#A52A2A), ΔE 0.014 away. White text reads best on it, at 7.32:1.
| Hue family | Reds |
| Lightness | medium-dark (47%) |
| Chroma | vivid (0.166) |
| Temperature | warm |
| Nearest name | Brown (#A52A2A) |
| Black text | 2.86:1 |
| White text | 7.32:1 |
Values
| HEX | #A5222E |
| RGB | rgb(165, 34, 46) |
| HSL | hsl(355, 66%, 39%) |
| OKLCH | oklch(47.4% 0.166 22) |
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 #A5222E | 7.32:1 | AAA | Lc -88.9 | Fine for body text |
| Black text on #A5222E | 2.86:1 | Fails | Lc 20.1 | Dividers and decoration only |
| #A5222E text on white | 7.32:1 | AAA | Lc 84.0 | Fine for body text |
| #A5222E text on black | 2.86:1 | Fails | Lc -18.0 | 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
#F9E4E3
oklch(93.5% 0.023 20.9)
-
Step 200
200
#F6CECC
oklch(88.5% 0.045 21.4)
-
Step 300
300
#F0ACA9
oklch(80.8% 0.081 21.8)
-
Step 400
400
#E67E7C
oklch(70.8% 0.129 22)
-
Step 500
500
#DB585B
oklch(63.1% 0.165 21.7)
-
Step 600
600
#C63841
oklch(55.6% 0.178 21.9)
-
Step 700
700 (this color)
#A5222E
oklch(47.4% 0.166 22)
-
Step 800
800
#8B242A
oklch(42.7% 0.138 22.2)
-
Step 900
900
#702426
oklch(37.8% 0.108 22.4)
-
Step 950
950
#421617
oklch(27% 0.069 21.5)
#A5222E 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) | #4A442D | 0.182 |
| Deuteranopia (no green cones) | #6B602A | 0.165 |
| Tritanopia (no blue cones) | #B60028 | 0.035 |
| Achromatopsia (no color) | #565656 | 0.167 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A5222E
#A5222E
oklch(47.4% 0.166 22)
- #00696F
#00696F
oklch(47.4% 0.081 201.7)
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 #A5222E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brown #A52A2A ΔE 0.014
- Auburn #9B2226 ΔE 0.023
- Rouge #AB1239 ΔE 0.025
- Firebrick #B22222 ΔE 0.030
- Rufous #AE2012 ΔE 0.031
- Burnt Red #9F2305 ΔE 0.036
- Rust Red #AA2704 ΔE 0.037
- Brick #A03623 ΔE 0.037
Use #A5222E 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.