#A34F21
Closest named color: Sienna (#A0522D). oklch(52.5% 0.125 46.3), rgb(163, 79, 33).
Aa
White text reads best on this color (5.67:1).
About this color
#A34F21 is a medium-dark, moderately saturated brown. In OKLCH its lightness is 52%, its chroma 0.125 and its hue 46°. Its hue sits on the warm side of the wheel. The nearest named color is Sienna (#A0522D), ΔE 0.011 away. White text reads best on it, at 5.67:1.
| Hue family | Browns |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.125) |
| Temperature | warm |
| Nearest name | Sienna (#A0522D) |
| Black text | 3.69:1 |
| White text | 5.67:1 |
Values
| HEX | #A34F21 |
| RGB | rgb(163, 79, 33) |
| HSL | hsl(21, 66%, 38%) |
| OKLCH | oklch(52.5% 0.125 46.3) |
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 #A34F21 | 5.67:1 | AA | Lc -83.2 | Fine for body text |
| Black text on #A34F21 | 3.69:1 | AA large text | Lc 26.2 | Dividers and decoration only |
| #A34F21 text on white | 5.67:1 | AA | Lc 77.9 | Fine for body text |
| #A34F21 text on black | 3.69:1 | AA large text | Lc -23.9 | 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 600.
-
Step 50
50
#FAF4F1
oklch(97.1% 0.008 48.7)
-
Step 100
100
#F4E7E1
oklch(93.7% 0.016 46.6)
-
Step 200
200
#ECD3C8
oklch(88.5% 0.032 45.3)
-
Step 300
300
#E0B6A2
oklch(80.8% 0.056 46.8)
-
Step 400
400
#D08F70
oklch(70.7% 0.091 46.3)
-
Step 500
500
#C2724A
oklch(63.2% 0.115 46.5)
-
Step 600
600 (this color)
#A34F21
oklch(52.5% 0.125 46.3)
-
Step 700
700
#95481E
oklch(49.2% 0.117 46.3)
-
Step 800
800
#793B1B
oklch(42.7% 0.097 45.8)
-
Step 900
900
#62331C
oklch(37.7% 0.076 45.6)
-
Step 950
950
#391F11
oklch(27% 0.047 48.2)
#A34F21 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) | #675B1B | 0.113 |
| Deuteranopia (no green cones) | #7B6E1F | 0.104 |
| Tritanopia (no blue cones) | #B33D46 | 0.070 |
| Achromatopsia (no color) | #676767 | 0.126 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A34F21
#A34F21
oklch(52.5% 0.125 46.3)
- #007597
#007597
oklch(52.4% 0.101 226.8)
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 #A34F21, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sienna #A0522D ΔE 0.011
- Cinnamon #AC4F06 ΔE 0.021
- Burnt Umber #A0450E ΔE 0.024
- Warm Brown #964E02 ΔE 0.032
- Sepia #985E2B ΔE 0.038
- Burnt Siena #B75203 ΔE 0.042
- Raw Umber #A75E09 ΔE 0.043
- Russet #A13905 ΔE 0.045
Use #A34F21 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.