#A45523
Closest named color: Sienna (#A0522D). oklch(53.6% 0.121 49.6), rgb(164, 85, 35).
Aa
White text reads best on this color (5.38:1).
About this color
#A45523 is a medium-dark, moderately saturated brown. In OKLCH its lightness is 54%, its chroma 0.121 and its hue 50°. Its hue sits on the warm side of the wheel. The nearest named color is Sienna (#A0522D), ΔE 0.015 away. White text reads best on it, at 5.38:1.
| Hue family | Browns |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.121) |
| Temperature | warm |
| Nearest name | Sienna (#A0522D) |
| Black text | 3.90:1 |
| White text | 5.38:1 |
Values
| HEX | #A45523 |
| RGB | rgb(164, 85, 35) |
| HSL | hsl(23, 65%, 39%) |
| OKLCH | oklch(53.6% 0.121 49.6) |
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 #A45523 | 5.38:1 | AA | Lc -81.7 | Fine for body text |
| Black text on #A45523 | 3.90:1 | AA large text | Lc 27.7 | Dividers and decoration only |
| #A45523 text on white | 5.38:1 | AA | Lc 76.4 | Fine for body text |
| #A45523 text on black | 3.90:1 | AA large text | Lc -25.4 | 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
#F3E7E1
oklch(93.6% 0.015 48.6)
-
Step 200
200
#EBD4C8
oklch(88.6% 0.03 49.4)
-
Step 300
300
#DFB7A2
oklch(80.9% 0.055 49.2)
-
Step 400
400
#CD916F
oklch(70.8% 0.087 50.4)
-
Step 500
500
#BF7449
oklch(63.1% 0.111 49.6)
-
Step 600
600 (this color)
#A45523
oklch(53.6% 0.121 49.6)
-
Step 700
700
#924A1C
oklch(49.1% 0.113 49.5)
-
Step 800
800
#773D1A
oklch(42.7% 0.094 49)
-
Step 900
900
#60351B
oklch(37.7% 0.073 50.2)
-
Step 950
950
#381F11
oklch(26.9% 0.046 49.2)
#A45523 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) | #6C5F1C | 0.105 |
| Deuteranopia (no green cones) | #7F7122 | 0.095 |
| Tritanopia (no blue cones) | #B4444B | 0.073 |
| Achromatopsia (no color) | #6A6A6A | 0.122 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A45523
#A45523
oklch(53.6% 0.121 49.6)
- #00789F
#00789F
oklch(53.6% 0.107 229.8)
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 #A45523, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sienna #A0522D ΔE 0.015
- Cinnamon #AC4F06 ΔE 0.020
- Sepia #985E2B ΔE 0.028
- Raw Umber #A75E09 ΔE 0.030
- Burnt Siena #B75203 ΔE 0.036
- Burnt Umber #A0450E ΔE 0.037
- Warm Brown #964E02 ΔE 0.037
- Earth #A2653E ΔE 0.039
Use #A45523 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.