#AE290A
Closest named color: Rusty Red (#AF2F0D). oklch(49.3% 0.174 33.4), rgb(174, 41, 10).
Aa
White text reads best on this color (6.72:1).
About this color
#AE290A is a medium-dark, vivid red. In OKLCH its lightness is 49%, its chroma 0.174 and its hue 33°. Its hue sits on the warm side of the wheel. The nearest named color is Rusty Red (#AF2F0D), ΔE 0.009 away. White text reads best on it, at 6.72:1.
| Hue family | Reds |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.174) |
| Temperature | warm |
| Nearest name | Rusty Red (#AF2F0D) |
| Black text | 3.12:1 |
| White text | 6.72:1 |
Values
| HEX | #AE290A |
| RGB | rgb(174, 41, 10) |
| HSL | hsl(11, 89%, 36%) |
| OKLCH | oklch(49.3% 0.174 33.4) |
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 #AE290A | 6.72:1 | AA | Lc -86.8 | Fine for body text |
| Black text on #AE290A | 3.12:1 | AA large text | Lc 22.4 | Dividers and decoration only |
| #AE290A text on white | 6.72:1 | AA | Lc 81.7 | Fine for body text |
| #AE290A text on black | 3.12:1 | 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
#FDF3F1
oklch(97.1% 0.011 31.1)
-
Step 100
100
#FAE4E0
oklch(93.6% 0.025 29.9)
-
Step 200
200
#F6CFC5
oklch(88.5% 0.046 34.7)
-
Step 300
300
#F2AD9E
oklch(80.9% 0.084 32.6)
-
Step 400
400
#E87F68
oklch(70.8% 0.135 33.4)
-
Step 500
500
#DD593E
oklch(63.1% 0.171 33.3)
-
Step 600
600
#C93819
oklch(55.6% 0.187 33.4)
-
Step 700
700 (this color)
#AE290A
oklch(49.3% 0.174 33.4)
-
Step 800
800
#8D240E
oklch(42.8% 0.144 33.2)
-
Step 900
900
#712414
oklch(37.7% 0.112 33.5)
-
Step 950
950
#43160D
oklch(27% 0.072 33.1)
#AE290A 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) | #534902 | 0.184 |
| Deuteranopia (no green cones) | #746600 | 0.164 |
| Tritanopia (no blue cones) | #C00025 | 0.049 |
| Achromatopsia (no color) | #5C5C5C | 0.175 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AE290A
#AE290A
oklch(49.3% 0.174 33.4)
- #006E7F
#006E7F
oklch(49.5% 0.087 213.1)
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 #AE290A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rusty Red #AF2F0D ΔE 0.009
- Rust Red #AA2704 ΔE 0.010
- Rufous #AE2012 ΔE 0.013
- Firebrick #B22222 ΔE 0.021
- Brown #A52A2A ΔE 0.029
- Brick #A03623 ΔE 0.031
- Russet #A13905 ΔE 0.033
- Burnt Red #9F2305 ΔE 0.035
Use #AE290A 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.