#AE3E03
Closest named color: Sinopia (#BB3E03). oklch(51.6% 0.157 41), rgb(174, 62, 3).
Aa
White text reads best on this color (6.01:1).
About this color
#AE3E03 is a medium-dark, vivid orange. In OKLCH its lightness is 52%, its chroma 0.157 and its hue 41°. Its hue sits on the warm side of the wheel. The nearest named color is Sinopia (#BB3E03), ΔE 0.026 away. White text reads best on it, at 6.01:1.
| Hue family | Oranges |
| Lightness | medium-dark (52%) |
| Chroma | vivid (0.157) |
| Temperature | warm |
| Nearest name | Sinopia (#BB3E03) |
| Black text | 3.49:1 |
| White text | 6.01:1 |
Values
| HEX | #AE3E03 |
| RGB | rgb(174, 62, 3) |
| HSL | hsl(21, 97%, 35%) |
| OKLCH | oklch(51.6% 0.157 41) |
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 #AE3E03 | 6.01:1 | AA | Lc -84.3 | Fine for body text |
| Black text on #AE3E03 | 3.49:1 | AA large text | Lc 25.0 | Dividers and decoration only |
| #AE3E03 text on white | 6.01:1 | AA | Lc 79.1 | Fine for body text |
| #AE3E03 text on black | 3.49:1 | AA large text | Lc -22.7 | 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
#F3D1C4
oklch(88.6% 0.042 42.1)
-
Step 300
300
#ECB19B
oklch(80.9% 0.076 41.4)
-
Step 400
400
#E08563
oklch(70.7% 0.122 41.1)
-
Step 500
500
#D56336
oklch(63.2% 0.156 41)
-
Step 600
600
#C04605
oklch(55.6% 0.168 41.1)
-
Step 700
700 (this color)
#AE3E03
oklch(51.6% 0.157 41)
-
Step 800
800
#862E02
oklch(42.6% 0.13 41)
-
Step 900
900
#6C2A0F
oklch(37.6% 0.102 40.7)
-
Step 950
950
#401A0B
oklch(27.1% 0.064 41.2)
#AE3E03 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) | #5F5300 | 0.154 |
| Deuteranopia (no green cones) | #7B6C00 | 0.138 |
| Tritanopia (no blue cones) | #C01C35 | 0.072 |
| Achromatopsia (no color) | #636363 | 0.158 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AE3E03
#AE3E03
oklch(51.6% 0.157 41)
- #00738E
#00738E
oklch(51.5% 0.095 221.6)
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 #AE3E03, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sinopia #BB3E03 ΔE 0.026
- Rusty Red #AF2F0D ΔE 0.027
- Burnt Umber #A0450E ΔE 0.028
- Russet #A13905 ΔE 0.030
- Cinnamon #AC4F06 ΔE 0.034
- Rust Red #AA2704 ΔE 0.040
- Brick #A03623 ΔE 0.041
- Sienna #A0522D ΔE 0.044
Use #AE3E03 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.