#A3350E
Closest named color: Russet (#A13905). oklch(48.6% 0.152 37.4), rgb(163, 53, 14).
Aa
White text reads best on this color (6.83:1).
About this color
#A3350E is a medium-dark, vivid red. In OKLCH its lightness is 49%, its chroma 0.152 and its hue 37°. Its hue sits on the warm side of the wheel. The nearest named color is Russet (#A13905), ΔE 0.010 away. White text reads best on it, at 6.83:1.
| Hue family | Reds |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.152) |
| Temperature | warm |
| Nearest name | Russet (#A13905) |
| Black text | 3.07:1 |
| White text | 6.83:1 |
Values
| HEX | #A3350E |
| RGB | rgb(163, 53, 14) |
| HSL | hsl(16, 84%, 35%) |
| OKLCH | oklch(48.6% 0.152 37.4) |
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 #A3350E | 6.83:1 | AA | Lc -87.6 | Fine for body text |
| Black text on #A3350E | 3.07:1 | AA large text | Lc 21.5 | Dividers and decoration only |
| #A3350E text on white | 6.83:1 | AA | Lc 82.6 | Fine for body text |
| #A3350E text on black | 3.07:1 | AA large text | Lc -19.4 | 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
#FCF3F1
oklch(97.1% 0.01 32.5)
-
Step 100
100
#F8E5E0
oklch(93.6% 0.022 35.1)
-
Step 200
200
#F3D0C6
oklch(88.4% 0.042 36.5)
-
Step 300
300
#ECB19F
oklch(81% 0.074 37.6)
-
Step 400
400
#DF856A
oklch(70.7% 0.118 37.5)
-
Step 500
500
#D46341
oklch(63.1% 0.151 37.4)
-
Step 600
600
#BF461F
oklch(55.6% 0.164 37.3)
-
Step 700
700 (this color)
#A3350E
oklch(48.6% 0.152 37.4)
-
Step 800
800
#862E12
oklch(42.7% 0.127 37.1)
-
Step 900
900
#6C2B17
oklch(37.8% 0.098 37.5)
-
Step 950
950
#3F1A0E
oklch(27% 0.062 38.5)
#A3350E 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) | #564B05 | 0.154 |
| Deuteranopia (no green cones) | #716405 | 0.140 |
| Tritanopia (no blue cones) | #B4102E | 0.063 |
| Achromatopsia (no color) | #5B5B5B | 0.153 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A3350E
#A3350E
oklch(48.6% 0.152 37.4)
- #006B80
#006B80
oklch(48.7% 0.087 217.6)
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 #A3350E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Russet #A13905 ΔE 0.010
- Brick #A03623 ΔE 0.015
- Rust Red #AA2704 ΔE 0.022
- Rusty Red #AF2F0D ΔE 0.024
- Burnt Red #9F2305 ΔE 0.031
- Burnt Umber #A0450E ΔE 0.031
- Brown #A52A2A ΔE 0.034
- Rufous #AE2012 ΔE 0.034
Use #A3350E 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.