#A13F20
Closest named color: Russet (#A13905). oklch(49.7% 0.138 37.6), rgb(161, 63, 32).
Aa
White text reads best on this color (6.46:1).
About this color
#A13F20 is a medium-dark, moderately saturated red. In OKLCH its lightness is 50%, its chroma 0.138 and its hue 38°. Its hue sits on the warm side of the wheel. The nearest named color is Russet (#A13905), ΔE 0.016 away. White text reads best on it, at 6.46:1.
| Hue family | Reds |
| Lightness | medium-dark (50%) |
| Chroma | moderately saturated (0.138) |
| Temperature | warm |
| Nearest name | Russet (#A13905) |
| Black text | 3.24:1 |
| White text | 6.46:1 |
Values
| HEX | #A13F20 |
| RGB | rgb(161, 63, 32) |
| HSL | hsl(14, 67%, 38%) |
| OKLCH | oklch(49.7% 0.138 37.6) |
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 #A13F20 | 6.46:1 | AA | Lc -86.4 | Fine for body text |
| Black text on #A13F20 | 3.24:1 | AA large text | Lc 22.7 | Dividers and decoration only |
| #A13F20 text on white | 6.46:1 | AA | Lc 81.3 | Fine for body text |
| #A13F20 text on black | 3.24:1 | AA large text | Lc -20.5 | 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
#FBF4F1
oklch(97.2% 0.009 44.9)
-
Step 100
100
#F6E6E1
oklch(93.6% 0.019 38.1)
-
Step 200
200
#F0D1C8
oklch(88.4% 0.037 36.8)
-
Step 300
300
#E8B2A2
oklch(80.9% 0.067 37.1)
-
Step 400
400
#DA8870
oklch(70.7% 0.107 37.1)
-
Step 500
500
#CD684A
oklch(63% 0.136 37.3)
-
Step 600
600
#B94D2B
oklch(55.6% 0.148 37.7)
-
Step 700
700 (this color)
#A13F20
oklch(49.7% 0.138 37.6)
-
Step 800
800
#81331B
oklch(42.7% 0.114 37.4)
-
Step 900
900
#682E1C
oklch(37.7% 0.088 37.8)
-
Step 950
950
#3D1B11
oklch(26.9% 0.056 37.2)
#A13F20 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) | #5B511C | 0.136 |
| Deuteranopia (no green cones) | #73661C | 0.124 |
| Tritanopia (no blue cones) | #B12739 | 0.060 |
| Achromatopsia (no color) | #5E5E5E | 0.138 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A13F20
#A13F20
oklch(49.7% 0.138 37.6)
- #006E84
#006E84
oklch(49.7% 0.089 218)
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 #A13F20, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Russet #A13905 ΔE 0.016
- Brick #A03623 ΔE 0.019
- Burnt Umber #A0450E ΔE 0.020
- Rusty Red #AF2F0D ΔE 0.033
- Rust Red #AA2704 ΔE 0.038
- Sienna #A0522D ΔE 0.040
- Brown #A52A2A ΔE 0.042
- Warm Brown #964E02 ΔE 0.046
Use #A13F20 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.