#AE3D3F
Closest named color: Dull Red (#BB3F3F). oklch(52% 0.148 22.8), rgb(174, 61, 63).
Aa
White text reads best on this color (5.93:1).
About this color
#AE3D3F is a medium-dark, vivid red. In OKLCH its lightness is 52%, its chroma 0.148 and its hue 23°. Its hue sits on the warm side of the wheel. The nearest named color is Dull Red (#BB3F3F), ΔE 0.027 away. White text reads best on it, at 5.93:1.
| Hue family | Reds |
| Lightness | medium-dark (52%) |
| Chroma | vivid (0.148) |
| Temperature | warm |
| Nearest name | Dull Red (#BB3F3F) |
| Black text | 3.53:1 |
| White text | 5.93:1 |
Values
| HEX | #AE3D3F |
| RGB | rgb(174, 61, 63) |
| HSL | hsl(359, 48%, 46%) |
| OKLCH | oklch(52% 0.148 22.8) |
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 #AE3D3F | 5.93:1 | AA | Lc -84.1 | Fine for body text |
| Black text on #AE3D3F | 3.53:1 | AA large text | Lc 25.3 | Dividers and decoration only |
| #AE3D3F text on white | 5.93:1 | AA | Lc 78.8 | Fine for body text |
| #AE3D3F text on black | 3.53:1 | AA large text | Lc -23.0 | 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
#FCF3F2
oklch(97.1% 0.01 25.1)
-
Step 100
100
#F8E5E3
oklch(93.7% 0.021 24.8)
-
Step 200
200
#F3D0CD
oklch(88.6% 0.04 23.7)
-
Step 300
300
#ECAFAB
oklch(80.9% 0.072 23)
-
Step 400
400
#DF837F
oklch(70.8% 0.114 23)
-
Step 500
500
#D3605F
oklch(63% 0.146 22.7)
-
Step 600
600
#BF4345
oklch(55.7% 0.159 23)
-
Step 700
700 (this color)
#AE3D3F
oklch(52% 0.148 22.8)
-
Step 800
800
#852C2E
oklch(42.7% 0.122 22.7)
-
Step 900
900
#6B2929
oklch(37.7% 0.095 22.8)
-
Step 950
950
#3F1918
oklch(27% 0.06 23.4)
#AE3D3F 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) | #5A553E | 0.160 |
| Deuteranopia (no green cones) | #776D3C | 0.147 |
| Tritanopia (no blue cones) | #BF243F | 0.043 |
| Achromatopsia (no color) | #646464 | 0.149 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AE3D3F
#AE3D3F
oklch(52% 0.148 22.8)
- #00787F
#00787F
oklch(52.1% 0.089 201.9)
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 #AE3D3F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Red #BB3F3F ΔE 0.027
- Dusty Red #B9484E ΔE 0.035
- Light Maroon #A24857 ΔE 0.038
- Light Burgundy #A8415B ΔE 0.039
- Firebrick #B22222 ΔE 0.041
- Brown #A52A2A ΔE 0.042
- Rusty Red #AF2F0D ΔE 0.043
- Dark Rose #B5485D ΔE 0.044
Use #AE3D3F 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.