#A45531
Closest named color: Sienna (#A0522D). oklch(53.8% 0.115 44), rgb(164, 85, 49).
Aa
White text reads best on this color (5.35:1).
About this color
#A45531 is a medium-dark, moderately saturated brown. In OKLCH its lightness is 54%, its chroma 0.115 and its hue 44°. 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 5.35:1.
| Hue family | Browns |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.115) |
| Temperature | warm |
| Nearest name | Sienna (#A0522D) |
| Black text | 3.92:1 |
| White text | 5.35:1 |
Values
| HEX | #A45531 |
| RGB | rgb(164, 85, 49) |
| HSL | hsl(19, 54%, 42%) |
| OKLCH | oklch(53.8% 0.115 44) |
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 #A45531 | 5.35:1 | AA | Lc -81.6 | Fine for body text |
| Black text on #A45531 | 3.92:1 | AA large text | Lc 27.8 | Dividers and decoration only |
| #A45531 text on white | 5.35:1 | AA | Lc 76.2 | Fine for body text |
| #A45531 text on black | 3.92:1 | AA large text | Lc -25.5 | 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
#EBD4CA
oklch(88.6% 0.029 45)
-
Step 300
300
#DFB7A6
oklch(81% 0.052 44.3)
-
Step 400
400
#CD9076
oklch(70.7% 0.083 44)
-
Step 500
500
#BF7352
oklch(63.1% 0.107 43.9)
-
Step 600
600 (this color)
#A45531
oklch(53.8% 0.115 44)
-
Step 700
700
#924A29
oklch(49.2% 0.108 44)
-
Step 800
800
#763D23
oklch(42.7% 0.089 44.2)
-
Step 900
900
#603421
oklch(37.6% 0.07 43.6)
-
Step 950
950
#381F14
oklch(27% 0.044 44.2)
#A45531 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) | #6B602D | 0.105 |
| Deuteranopia (no green cones) | #7E7130 | 0.096 |
| Tritanopia (no blue cones) | #B4454D | 0.063 |
| Achromatopsia (no color) | #6B6B6B | 0.116 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A45531
#A45531
oklch(53.8% 0.115 44)
- #007A99
#007A99
oklch(53.8% 0.101 223.6)
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 #A45531, 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 0.028
- Sepia #985E2B ΔE 0.032
- Earth #A2653E ΔE 0.037
- Raw Umber #A75E09 ΔE 0.040
- Burnt Umber #A0450E ΔE 0.040
- Burnt Siena #B75203 ΔE 0.041
- Warm Brown #964E02 ΔE 0.045
Use #A45531 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.