#A6442F
Closest named color: Burnt Umber (#A0450E). oklch(51.4% 0.134 33.7), rgb(166, 68, 47).
Aa
White text reads best on this color (6.01:1).
About this color
#A6442F is a medium-dark, moderately saturated red. In OKLCH its lightness is 51%, its chroma 0.134 and its hue 34°. Its hue sits on the warm side of the wheel. The nearest named color is Burnt Umber (#A0450E), ΔE 0.030 away. White text reads best on it, at 6.01:1.
| Hue family | Reds |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.134) |
| Temperature | warm |
| Nearest name | Burnt Umber (#A0450E) |
| Black text | 3.48:1 |
| White text | 6.01:1 |
Values
| HEX | #A6442F |
| RGB | rgb(166, 68, 47) |
| HSL | hsl(11, 56%, 42%) |
| OKLCH | oklch(51.4% 0.134 33.7) |
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 #A6442F | 6.01:1 | AA | Lc -84.6 | Fine for body text |
| Black text on #A6442F | 3.48:1 | AA large text | Lc 24.7 | Dividers and decoration only |
| #A6442F text on white | 6.01:1 | AA | Lc 79.4 | Fine for body text |
| #A6442F text on black | 3.48:1 | AA large text | Lc -22.4 | 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
#FBF3F2
oklch(97% 0.009 26)
-
Step 100
100
#F6E6E2
oklch(93.7% 0.018 34.3)
-
Step 200
200
#F0D1CA
oklch(88.5% 0.036 32.8)
-
Step 300
300
#E7B2A5
oklch(80.8% 0.065 34.2)
-
Step 400
400
#D98875
oklch(70.6% 0.104 33.9)
-
Step 500
500
#CD6852
oklch(63.1% 0.133 33.5)
-
Step 600
600
#B84D36
oklch(55.6% 0.144 33.7)
-
Step 700
700 (this color)
#A6442F
oklch(51.4% 0.134 33.7)
-
Step 800
800
#813323
oklch(42.8% 0.112 33.3)
-
Step 900
900
#682E21
oklch(37.8% 0.087 34)
-
Step 950
950
#3D1B14
oklch(26.9% 0.055 32.9)
#A6442F 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) | #5E552C | 0.137 |
| Deuteranopia (no green cones) | #776B2C | 0.125 |
| Tritanopia (no blue cones) | #B62F3F | 0.053 |
| Achromatopsia (no color) | #636363 | 0.135 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A6442F
#A6442F
oklch(51.4% 0.134 33.7)
- #007487
#007487
oklch(51.4% 0.09 214.3)
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 #A6442F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burnt Umber #A0450E ΔE 0.030
- Brick #A03623 ΔE 0.032
- Sienna #A0522D ΔE 0.033
- Russet #A13905 ΔE 0.034
- Rusty Red #AF2F0D ΔE 0.038
- Cinnamon #AC4F06 ΔE 0.044
- Sinopia #BB3E03 ΔE 0.045
- Dull Red #BB3F3F ΔE 0.047
Use #A6442F 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.