#A45331
Closest named color: Sienna (#A0522D). oklch(53.4% 0.117 42.5), rgb(164, 83, 49).
Aa
White text reads best on this color (5.44:1).
About this color
#A45331 is a medium-dark, moderately saturated brown. In OKLCH its lightness is 53%, its chroma 0.117 and its hue 43°. Its hue sits on the warm side of the wheel. The nearest named color is Sienna (#A0522D), ΔE 0.009 away. White text reads best on it, at 5.44:1.
| Hue family | Browns |
| Lightness | medium-dark (53%) |
| Chroma | moderately saturated (0.117) |
| Temperature | warm |
| Nearest name | Sienna (#A0522D) |
| Black text | 3.86:1 |
| White text | 5.44:1 |
Values
| HEX | #A45331 |
| RGB | rgb(164, 83, 49) |
| HSL | hsl(18, 54%, 42%) |
| OKLCH | oklch(53.4% 0.117 42.5) |
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 #A45331 | 5.44:1 | AA | Lc -82.0 | Fine for body text |
| Black text on #A45331 | 3.86:1 | AA large text | Lc 27.4 | Dividers and decoration only |
| #A45331 text on white | 5.44:1 | AA | Lc 76.7 | Fine for body text |
| #A45331 text on black | 3.86:1 | AA large text | Lc -25.0 | 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
#FAF4F2
oklch(97.1% 0.007 39.5)
-
Step 100
100
#F3E7E2
oklch(93.6% 0.015 44.2)
-
Step 200
200
#EBD3CA
oklch(88.4% 0.03 41.7)
-
Step 300
300
#DFB6A6
oklch(80.8% 0.053 42.4)
-
Step 400
400
#CE8F77
oklch(70.7% 0.084 41.7)
-
Step 500
500
#C07253
oklch(63.1% 0.108 42.2)
-
Step 600
600 (this color)
#A45331
oklch(53.4% 0.117 42.5)
-
Step 700
700
#93492A
oklch(49.2% 0.109 42.4)
-
Step 800
800
#773C24
oklch(42.6% 0.09 42.1)
-
Step 900
900
#603422
oklch(37.7% 0.07 42.6)
-
Step 950
950
#391F14
oklch(27.1% 0.045 43.4)
#A45331 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) | #695F2D | 0.110 |
| Deuteranopia (no green cones) | #7D7130 | 0.101 |
| Tritanopia (no blue cones) | #B4434B | 0.061 |
| Achromatopsia (no color) | #6A6A6A | 0.118 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A45331
#A45331
oklch(53.4% 0.117 42.5)
- #007996
#007996
oklch(53.4% 0.099 222.2)
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 #A45331, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sienna #A0522D ΔE 0.009
- Cinnamon #AC4F06 ΔE 0.028
- Sepia #985E2B ΔE 0.036
- Burnt Umber #A0450E ΔE 0.037
- Earth #A2653E ΔE 0.042
- Burnt Siena #B75203 ΔE 0.043
- Warm Brown #964E02 ΔE 0.044
- Raw Umber #A75E09 ΔE 0.044
Use #A45331 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.