#A34B21
Closest named color: Sienna (#A0522D). oklch(51.8% 0.129 43.7), rgb(163, 75, 33).
Aa
White text reads best on this color (5.85:1).
About this color
#A34B21 is a medium-dark, moderately saturated brown. In OKLCH its lightness is 52%, its chroma 0.129 and its hue 44°. Its hue sits on the warm side of the wheel. The nearest named color is Sienna (#A0522D), ΔE 0.016 away. White text reads best on it, at 5.85:1.
| Hue family | Browns |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.129) |
| Temperature | warm |
| Nearest name | Sienna (#A0522D) |
| Black text | 3.58:1 |
| White text | 5.85:1 |
Values
| HEX | #A34B21 |
| RGB | rgb(163, 75, 33) |
| HSL | hsl(19, 66%, 38%) |
| OKLCH | oklch(51.8% 0.129 43.7) |
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 #A34B21 | 5.85:1 | AA | Lc -84.0 | Fine for body text |
| Black text on #A34B21 | 3.58:1 | AA large text | Lc 25.3 | Dividers and decoration only |
| #A34B21 text on white | 5.85:1 | AA | Lc 78.7 | Fine for body text |
| #A34B21 text on black | 3.58:1 | AA large text | Lc -23.1 | 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
#F5E6E0
oklch(93.5% 0.018 43.2)
-
Step 200
200
#EED2C7
oklch(88.4% 0.035 42.7)
-
Step 300
300
#E4B4A1
oklch(80.8% 0.062 42.6)
-
Step 400
400
#D58C6D
oklch(70.7% 0.1 43.7)
-
Step 500
500
#C86D45
oklch(63.1% 0.128 43.6)
-
Step 600
600
#B35325
oklch(55.5% 0.138 43.7)
-
Step 700
700 (this color)
#A34B21
oklch(51.8% 0.129 43.7)
-
Step 800
800
#7D3816
oklch(42.7% 0.106 44.1)
-
Step 900
900
#653119
oklch(37.7% 0.083 44.1)
-
Step 950
950
#3B1D10
oklch(26.9% 0.052 43.5)
#A34B21 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) | #64591B | 0.120 |
| Deuteranopia (no green cones) | #796C1F | 0.109 |
| Tritanopia (no blue cones) | #B33842 | 0.066 |
| Achromatopsia (no color) | #656565 | 0.129 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A34B21
#A34B21
oklch(51.8% 0.129 43.7)
- #007491
#007491
oklch(51.9% 0.097 223.1)
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 #A34B21, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sienna #A0522D ΔE 0.016
- Burnt Umber #A0450E ΔE 0.017
- Cinnamon #AC4F06 ΔE 0.026
- Warm Brown #964E02 ΔE 0.033
- Russet #A13905 ΔE 0.037
- Sepia #985E2B ΔE 0.046
- Brick #A03623 ΔE 0.046
- Burnt Siena #B75203 ΔE 0.047
Use #A34B21 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.