#AE301E
Closest named color: Rusty Red (#AF2F0D). oklch(50.1% 0.165 31.3), rgb(174, 48, 30).
Aa
White text reads best on this color (6.47:1).
About this color
#AE301E is a medium-dark, vivid red. In OKLCH its lightness is 50%, its chroma 0.165 and its hue 31°. Its hue sits on the warm side of the wheel. The nearest named color is Rusty Red (#AF2F0D), ΔE 0.010 away. White text reads best on it, at 6.47:1.
| Hue family | Reds |
| Lightness | medium-dark (50%) |
| Chroma | vivid (0.165) |
| Temperature | warm |
| Nearest name | Rusty Red (#AF2F0D) |
| Black text | 3.24:1 |
| White text | 6.47:1 |
Values
| HEX | #AE301E |
| RGB | rgb(174, 48, 30) |
| HSL | hsl(8, 71%, 40%) |
| OKLCH | oklch(50.1% 0.165 31.3) |
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 #AE301E | 6.47:1 | AA | Lc -86.0 | Fine for body text |
| Black text on #AE301E | 3.24:1 | AA large text | Lc 23.2 | Dividers and decoration only |
| #AE301E text on white | 6.47:1 | AA | Lc 80.9 | Fine for body text |
| #AE301E text on black | 3.24:1 | AA large text | Lc -21.0 | 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
#FDF3F1
oklch(97.1% 0.011 31.1)
-
Step 100
100
#F9E5E0
oklch(93.7% 0.023 34.3)
-
Step 200
200
#F5CFC7
oklch(88.5% 0.044 31.9)
-
Step 300
300
#F0AEA1
oklch(80.9% 0.08 31.4)
-
Step 400
400
#E5806E
oklch(70.7% 0.128 31.2)
-
Step 500
500
#DA5B47
oklch(63% 0.164 31.1)
-
Step 600
600
#C63C28
oklch(55.6% 0.178 31.3)
-
Step 700
700 (this color)
#AE301E
oklch(50.1% 0.165 31.3)
-
Step 800
800
#8A2719
oklch(42.6% 0.136 31.1)
-
Step 900
900
#6F261B
oklch(37.7% 0.106 31.1)
-
Step 950
950
#421710
oklch(27% 0.069 31.3)
#AE301E 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) | #564C1A | 0.175 |
| Deuteranopia (no green cones) | #756817 | 0.159 |
| Tritanopia (no blue cones) | #C0002D | 0.052 |
| Achromatopsia (no color) | #5E5E5E | 0.167 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AE301E
#AE301E
oklch(50.1% 0.165 31.3)
- #007080
#007080
oklch(50% 0.087 211.9)
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 #AE301E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rusty Red #AF2F0D ΔE 0.010
- Rust Red #AA2704 ΔE 0.020
- Firebrick #B22222 ΔE 0.020
- Rufous #AE2012 ΔE 0.020
- Brown #A52A2A ΔE 0.027
- Brick #A03623 ΔE 0.027
- Russet #A13905 ΔE 0.034
- Burnt Red #9F2305 ΔE 0.042
Use #AE301E 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.