#AE3D04
Closest named color: Rusty Red (#AF2F0D). oklch(51.5% 0.158 40.5), rgb(174, 61, 4).
Aa
White text reads best on this color (6.05:1).
About this color
#AE3D04 is a medium-dark, vivid orange. In OKLCH its lightness is 51%, its chroma 0.158 and its hue 40°. Its hue sits on the warm side of the wheel. The nearest named color is Rusty Red (#AF2F0D), ΔE 0.025 away. White text reads best on it, at 6.05:1.
| Hue family | Oranges |
| Lightness | medium-dark (51%) |
| Chroma | vivid (0.158) |
| Temperature | warm |
| Nearest name | Rusty Red (#AF2F0D) |
| Black text | 3.46:1 |
| White text | 6.05:1 |
Values
| HEX | #AE3D04 |
| RGB | rgb(174, 61, 4) |
| HSL | hsl(20, 96%, 35%) |
| OKLCH | oklch(51.5% 0.158 40.5) |
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 #AE3D04 | 6.05:1 | AA | Lc -84.5 | Fine for body text |
| Black text on #AE3D04 | 3.46:1 | AA large text | Lc 24.8 | Dividers and decoration only |
| #AE3D04 text on white | 6.05:1 | AA | Lc 79.2 | Fine for body text |
| #AE3D04 text on black | 3.46:1 | AA large text | Lc -22.6 | 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
#FCF3F0
oklch(97% 0.011 39.4)
-
Step 100
100
#F8E5DF
oklch(93.5% 0.022 38.3)
-
Step 200
200
#F3D0C4
oklch(88.4% 0.043 39.8)
-
Step 300
300
#ECB19B
oklch(80.9% 0.076 41.4)
-
Step 400
400
#E08564
oklch(70.7% 0.122 40.6)
-
Step 500
500
#D56237
oklch(63% 0.156 40.2)
-
Step 600
600
#C14507
oklch(55.6% 0.17 40.4)
-
Step 700
700 (this color)
#AE3D04
oklch(51.5% 0.158 40.5)
-
Step 800
800
#872E03
oklch(42.8% 0.131 40.6)
-
Step 900
900
#6C2A10
oklch(37.6% 0.101 40.3)
-
Step 950
950
#401A0B
oklch(27.1% 0.064 41.2)
#AE3D04 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) | #5F5200 | 0.155 |
| Deuteranopia (no green cones) | #7A6C00 | 0.141 |
| Tritanopia (no blue cones) | #C01A34 | 0.071 |
| Achromatopsia (no color) | #626262 | 0.159 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AE3D04
#AE3D04
oklch(51.5% 0.158 40.5)
- #00738D
#00738D
oklch(51.4% 0.094 220.8)
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 #AE3D04, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rusty Red #AF2F0D ΔE 0.025
- Sinopia #BB3E03 ΔE 0.027
- Burnt Umber #A0450E ΔE 0.029
- Russet #A13905 ΔE 0.029
- Cinnamon #AC4F06 ΔE 0.036
- Rust Red #AA2704 ΔE 0.039
- Brick #A03623 ΔE 0.040
- Sienna #A0522D ΔE 0.045
Use #AE3D04 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.