#AE3040
Closest named color: Firebrick (#B22222). oklch(50.6% 0.162 18.2), rgb(174, 48, 64).
Aa
White text reads best on this color (6.37:1).
About this color
#AE3040 is a medium-dark, vivid red. In OKLCH its lightness is 51%, its chroma 0.162 and its hue 18°. Its hue sits on the warm side of the wheel. The nearest named color is Firebrick (#B22222), ΔE 0.033 away. White text reads best on it, at 6.37:1.
| Hue family | Reds |
| Lightness | medium-dark (51%) |
| Chroma | vivid (0.162) |
| Temperature | warm |
| Nearest name | Firebrick (#B22222) |
| Black text | 3.29:1 |
| White text | 6.37:1 |
Values
| HEX | #AE3040 |
| RGB | rgb(174, 48, 64) |
| HSL | hsl(352, 57%, 44%) |
| OKLCH | oklch(50.6% 0.162 18.2) |
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 #AE3040 | 6.37:1 | AA | Lc -85.7 | Fine for body text |
| Black text on #AE3040 | 3.29:1 | AA large text | Lc 23.5 | Dividers and decoration only |
| #AE3040 text on white | 6.37:1 | AA | Lc 80.5 | Fine for body text |
| #AE3040 text on black | 3.29:1 | AA large text | Lc -21.3 | 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
#FCF3F3
oklch(97.1% 0.01 17.3)
-
Step 100
100
#F9E4E4
oklch(93.6% 0.023 17.6)
-
Step 200
200
#F5CECE
oklch(88.5% 0.044 18)
-
Step 300
300
#EFADAD
oklch(81% 0.078 18.9)
-
Step 400
400
#E47E83
oklch(70.7% 0.126 17.7)
-
Step 500
500
#D95A64
oklch(63.2% 0.16 18.2)
-
Step 600
600
#C43A4B
oklch(55.6% 0.174 18.1)
-
Step 700
700 (this color)
#AE3040
oklch(50.6% 0.162 18.2)
-
Step 800
800
#892632
oklch(42.7% 0.133 18.1)
-
Step 900
900
#6E252C
oklch(37.7% 0.104 18)
-
Step 950
950
#41171A
oklch(27.1% 0.065 18.2)
#AE3040 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) | #524E40 | 0.178 |
| Deuteranopia (no green cones) | #72693D | 0.163 |
| Tritanopia (no blue cones) | #BF0637 | 0.041 |
| Achromatopsia (no color) | #5F5F5F | 0.163 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AE3040
#AE3040
oklch(50.6% 0.162 18.2)
- #007477
#007477
oklch(50.7% 0.086 197.9)
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 #AE3040, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Firebrick #B22222 ΔE 0.033
- Brown #A52A2A ΔE 0.033
- Rouge #AB1239 ΔE 0.036
- Light Burgundy #A8415B ΔE 0.040
- Dull Red #BB3F3F ΔE 0.042
- Rose Red #BE013C ΔE 0.043
- Lipstick Red #C0022F ΔE 0.044
- Rufous #AE2012 ΔE 0.044
Use #AE3040 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.