#AE2C1F
Closest named color: Rusty Red (#AF2F0D). oklch(49.7% 0.169 29.9), rgb(174, 44, 31).
Aa
White text reads best on this color (6.60:1).
About this color
#AE2C1F is a medium-dark, vivid red. In OKLCH its lightness is 50%, its chroma 0.169 and its hue 30°. Its hue sits on the warm side of the wheel. The nearest named color is Rusty Red (#AF2F0D), ΔE 0.014 away. White text reads best on it, at 6.60:1.
| Hue family | Reds |
| Lightness | medium-dark (50%) |
| Chroma | vivid (0.169) |
| Temperature | warm |
| Nearest name | Rusty Red (#AF2F0D) |
| Black text | 3.17:1 |
| White text | 6.60:1 |
Values
| HEX | #AE2C1F |
| RGB | rgb(174, 44, 31) |
| HSL | hsl(5, 70%, 40%) |
| OKLCH | oklch(49.7% 0.169 29.9) |
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 #AE2C1F | 6.60:1 | AA | Lc -86.4 | Fine for body text |
| Black text on #AE2C1F | 3.17:1 | AA large text | Lc 22.7 | Dividers and decoration only |
| #AE2C1F text on white | 6.60:1 | AA | Lc 81.3 | Fine for body text |
| #AE2C1F text on black | 3.17:1 | AA large text | Lc -20.5 | 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
#F9E4E1
oklch(93.5% 0.023 27.3)
-
Step 200
200
#F6CFC8
oklch(88.6% 0.045 29.9)
-
Step 300
300
#F1ADA2
oklch(80.9% 0.082 29.3)
-
Step 400
400
#E67F6F
oklch(70.7% 0.13 30)
-
Step 500
500
#DC5A49
oklch(63.2% 0.166 29.9)
-
Step 600
600
#C7392A
oklch(55.5% 0.181 29.9)
-
Step 700
700 (this color)
#AE2C1F
oklch(49.7% 0.169 29.9)
-
Step 800
800
#8B251A
oklch(42.6% 0.139 30)
-
Step 900
900
#70251C
oklch(37.7% 0.108 29.8)
-
Step 950
950
#421711
oklch(27% 0.068 30.2)
#AE2C1F 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) | #544B1C | 0.179 |
| Deuteranopia (no green cones) | #746718 | 0.163 |
| Tritanopia (no blue cones) | #C0002A | 0.047 |
| Achromatopsia (no color) | #5D5D5D | 0.170 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AE2C1F
#AE2C1F
oklch(49.7% 0.169 29.9)
- #006F7D
#006F7D
oklch(49.6% 0.086 209.9)
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 #AE2C1F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rusty Red #AF2F0D ΔE 0.014
- Firebrick #B22222 ΔE 0.014
- Rufous #AE2012 ΔE 0.015
- Rust Red #AA2704 ΔE 0.018
- Brown #A52A2A ΔE 0.023
- Brick #A03623 ΔE 0.029
- Russet #A13905 ΔE 0.038
- Scarlet #BE0119 ΔE 0.039
Use #AE2C1F 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.