#A3440A
Closest named color: Burnt Umber (#A0450E). oklch(50.6% 0.14 44.9), rgb(163, 68, 10).
Aa
White text reads best on this color (6.19:1).
About this color
#A3440A is a medium-dark, moderately saturated brown. In OKLCH its lightness is 51%, its chroma 0.140 and its hue 45°. Its hue sits on the warm side of the wheel. The nearest named color is Burnt Umber (#A0450E), ΔE 0.006 away. White text reads best on it, at 6.19:1.
| Hue family | Browns |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.140) |
| Temperature | warm |
| Nearest name | Burnt Umber (#A0450E) |
| Black text | 3.38:1 |
| White text | 6.19:1 |
Values
| HEX | #A3440A |
| RGB | rgb(163, 68, 10) |
| HSL | hsl(23, 88%, 34%) |
| OKLCH | oklch(50.6% 0.14 44.9) |
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 #A3440A | 6.19:1 | AA | Lc -85.3 | Fine for body text |
| Black text on #A3440A | 3.38:1 | AA large text | Lc 23.9 | Dividers and decoration only |
| #A3440A text on white | 6.19:1 | AA | Lc 80.2 | Fine for body text |
| #A3440A text on black | 3.38:1 | AA large text | Lc -21.7 | 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
#FBF4F0
oklch(97.1% 0.009 52.1)
-
Step 100
100
#F6E6DF
oklch(93.6% 0.02 45.3)
-
Step 200
200
#F0D2C5
oklch(88.5% 0.038 44.8)
-
Step 300
300
#E7B39D
oklch(80.8% 0.068 44)
-
Step 400
400
#D98A67
oklch(70.7% 0.109 44.5)
-
Step 500
500
#CC6A3B
oklch(63% 0.138 44.8)
-
Step 600
600
#B84F13
oklch(55.6% 0.151 44.7)
-
Step 700
700 (this color)
#A3440A
oklch(50.6% 0.14 44.9)
-
Step 800
800
#803509
oklch(42.7% 0.116 45.1)
-
Step 900
900
#672F13
oklch(37.6% 0.09 44.8)
-
Step 950
950
#3D1C0D
oklch(27% 0.057 44)
#A3440A 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) | #605400 | 0.131 |
| Deuteranopia (no green cones) | #776904 | 0.118 |
| Tritanopia (no blue cones) | #B42C3A | 0.073 |
| Achromatopsia (no color) | #616161 | 0.141 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A3440A
#A3440A
oklch(50.6% 0.14 44.9)
- #00708E
#00708E
oklch(50.7% 0.096 224.7)
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 #A3440A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burnt Umber #A0450E ΔE 0.006
- Russet #A13905 ΔE 0.023
- Sienna #A0522D ΔE 0.032
- Cinnamon #AC4F06 ΔE 0.032
- Warm Brown #964E02 ΔE 0.033
- Brick #A03623 ΔE 0.038
- Rusty Red #AF2F0D ΔE 0.041
- Sinopia #BB3E03 ΔE 0.046
Use #A3440A 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.