#AE3337
Closest named color: Firebrick (#B22222). oklch(50.8% 0.159 23.2), rgb(174, 51, 55).
Aa
White text reads best on this color (6.30:1).
About this color
#AE3337 is a medium-dark, vivid red. In OKLCH its lightness is 51%, its chroma 0.159 and its hue 23°. Its hue sits on the warm side of the wheel. The nearest named color is Firebrick (#B22222), ΔE 0.026 away. White text reads best on it, at 6.30:1.
| Hue family | Reds |
| Lightness | medium-dark (51%) |
| Chroma | vivid (0.159) |
| Temperature | warm |
| Nearest name | Firebrick (#B22222) |
| Black text | 3.32:1 |
| White text | 6.30:1 |
Values
| HEX | #AE3337 |
| RGB | rgb(174, 51, 55) |
| HSL | hsl(358, 55%, 44%) |
| OKLCH | oklch(50.8% 0.159 23.2) |
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 #AE3337 | 6.30:1 | AA | Lc -85.5 | Fine for body text |
| Black text on #AE3337 | 3.32:1 | AA large text | Lc 23.8 | Dividers and decoration only |
| #AE3337 text on white | 6.30:1 | AA | Lc 80.3 | Fine for body text |
| #AE3337 text on black | 3.32:1 | AA large text | Lc -21.5 | 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
#FCF3F2
oklch(97.1% 0.01 25.1)
-
Step 100
100
#F9E4E3
oklch(93.5% 0.023 20.9)
-
Step 200
200
#F4CFCC
oklch(88.5% 0.042 23.5)
-
Step 300
300
#EFAEA9
oklch(81% 0.077 23.9)
-
Step 400
400
#E3807C
oklch(70.7% 0.123 23.1)
-
Step 500
500
#D85C5B
oklch(63.1% 0.157 23.1)
-
Step 600
600
#C33D40
oklch(55.6% 0.17 23.4)
-
Step 700
700 (this color)
#AE3337
oklch(50.8% 0.159 23.2)
-
Step 800
800
#89272A
oklch(42.7% 0.133 23.2)
-
Step 900
900
#6E2626
oklch(37.7% 0.103 23.4)
-
Step 950
950
#411717
oklch(27% 0.066 22.5)
#AE3337 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) | #554F36 | 0.173 |
| Deuteranopia (no green cones) | #746933 | 0.158 |
| Tritanopia (no blue cones) | #BF0B36 | 0.045 |
| Achromatopsia (no color) | #606060 | 0.160 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AE3337
#AE3337
oklch(50.8% 0.159 23.2)
- #00737B
#00737B
oklch(50.6% 0.086 203.3)
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 #AE3337, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Firebrick #B22222 ΔE 0.026
- Brown #A52A2A ΔE 0.028
- Rusty Red #AF2F0D ΔE 0.035
- Rufous #AE2012 ΔE 0.036
- Dull Red #BB3F3F ΔE 0.037
- Brick #A03623 ΔE 0.037
- Rust Red #AA2704 ΔE 0.041
- Rouge #AB1239 ΔE 0.044
Use #AE3337 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.