#AA550B
Closest named color: Cinnamon (#AC4F06). oklch(54.4% 0.134 52.9), rgb(170, 85, 11).
Aa
White text reads best on this color (5.23:1).
About this color
#AA550B is a medium-dark, moderately saturated brown. In OKLCH its lightness is 54%, its chroma 0.134 and its hue 53°. Its hue sits on the warm side of the wheel. The nearest named color is Cinnamon (#AC4F06), ΔE 0.013 away. White text reads best on it, at 5.23:1.
| Hue family | Browns |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.134) |
| Temperature | warm |
| Nearest name | Cinnamon (#AC4F06) |
| Black text | 4.01:1 |
| White text | 5.23:1 |
Values
| HEX | #AA550B |
| RGB | rgb(170, 85, 11) |
| HSL | hsl(28, 88%, 35%) |
| OKLCH | oklch(54.4% 0.134 52.9) |
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 #AA550B | 5.23:1 | AA | Lc -80.8 | Fine for body text |
| Black text on #AA550B | 4.01:1 | AA large text | Lc 28.7 | Dividers and decoration only |
| #AA550B text on white | 5.23:1 | AA | Lc 75.4 | Fine for body text |
| #AA550B text on black | 4.01:1 | AA large text | Lc -26.3 | 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
#F4E7DF
oklch(93.6% 0.018 54)
-
Step 200
200
#ECD4C5
oklch(88.6% 0.034 54.1)
-
Step 300
300
#E1B79D
oklch(81% 0.06 53.4)
-
Step 400
400
#D09067
oklch(70.8% 0.096 53.2)
-
Step 500
500
#C3723B
oklch(63.1% 0.124 52.6)
-
Step 600
600 (this color)
#AA550B
oklch(54.4% 0.134 52.9)
-
Step 700
700
#954800
oklch(49% 0.124 53)
-
Step 800
800
#793C09
oklch(42.7% 0.103 53.2)
-
Step 900
900
#623413
oklch(37.7% 0.08 52.9)
-
Step 950
950
#3A1F0D
oklch(27.1% 0.051 52.6)
#AA550B 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) | #6E6000 | 0.112 |
| Deuteranopia (no green cones) | #827408 | 0.103 |
| Tritanopia (no blue cones) | #BB4149 | 0.085 |
| Achromatopsia (no color) | #6C6C6C | 0.135 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AA550B
#AA550B
oklch(54.4% 0.134 52.9)
- #007AA6
#007AA6
oklch(54.5% 0.112 232.6)
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 #AA550B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cinnamon #AC4F06 ΔE 0.013
- Raw Umber #A75E09 ΔE 0.022
- Burnt Siena #B75203 ΔE 0.024
- Sienna #A0522D ΔE 0.031
- Orangey Brown #B16002 ΔE 0.031
- Sepia #985E2B ΔE 0.037
- Umber #B26400 ΔE 0.041
- Burnt Orange #C04E01 ΔE 0.042
Use #AA550B 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.