#AE272F
Closest named color: Firebrick (#B22222). oklch(49.5% 0.171 23.3), rgb(174, 39, 47).
Aa
White text reads best on this color (6.70:1).
About this color
#AE272F is a medium-dark, vivid red. In OKLCH its lightness is 49%, its chroma 0.171 and its hue 23°. Its hue sits on the warm side of the wheel. The nearest named color is Firebrick (#B22222), ΔE 0.014 away. White text reads best on it, at 6.70:1.
| Hue family | Reds |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.171) |
| Temperature | warm |
| Nearest name | Firebrick (#B22222) |
| Black text | 3.13:1 |
| White text | 6.70:1 |
Values
| HEX | #AE272F |
| RGB | rgb(174, 39, 47) |
| HSL | hsl(356, 63%, 42%) |
| OKLCH | oklch(49.5% 0.171 23.3) |
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 #AE272F | 6.70:1 | AA | Lc -86.8 | Fine for body text |
| Black text on #AE272F | 3.13:1 | AA large text | Lc 22.4 | Dividers and decoration only |
| #AE272F text on white | 6.70:1 | AA | Lc 81.7 | Fine for body text |
| #AE272F text on black | 3.13:1 | AA large text | Lc -20.2 | 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
#FAE4E2
oklch(93.6% 0.024 23.9)
-
Step 200
200
#F6CECB
oklch(88.5% 0.046 23.1)
-
Step 300
300
#F2ACA7
oklch(80.9% 0.083 23.6)
-
Step 400
400
#E77D79
oklch(70.7% 0.132 23.2)
-
Step 500
500
#DD5756
oklch(63.2% 0.169 23.6)
-
Step 600
600
#C8353C
oklch(55.5% 0.183 23.1)
-
Step 700
700 (this color)
#AE272F
oklch(49.5% 0.171 23.3)
-
Step 800
800
#8C2227
oklch(42.7% 0.141 23.2)
-
Step 900
900
#712324
oklch(37.8% 0.11 23.4)
-
Step 950
950
#421615
oklch(27% 0.069 24.1)
#AE272F 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) | #50492E | 0.186 |
| Deuteranopia (no green cones) | #71662A | 0.170 |
| Tritanopia (no blue cones) | #C0002B | 0.038 |
| Achromatopsia (no color) | #5C5C5C | 0.172 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AE272F
#AE272F
oklch(49.5% 0.171 23.3)
- #006F77
#006F77
oklch(49.4% 0.084 203.5)
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 #AE272F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Firebrick #B22222 ΔE 0.014
- Brown #A52A2A ΔE 0.019
- Rufous #AE2012 ΔE 0.024
- Rouge #AB1239 ΔE 0.031
- Rust Red #AA2704 ΔE 0.033
- Rusty Red #AF2F0D ΔE 0.034
- Scarlet #BE0119 ΔE 0.037
- Brick #A03623 ΔE 0.038
Use #AE272F 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.