#A6554D
Closest named color: Sienna (#A0522D). oklch(54.5% 0.108 27), rgb(166, 85, 77).
Aa
White text reads best on this color (5.21:1).
About this color
#A6554D is a medium-dark, moderately saturated red. In OKLCH its lightness is 55%, its chroma 0.108 and its hue 27°. Its hue sits on the warm side of the wheel. The nearest named color is Sienna (#A0522D), ΔE 0.040 away. White text reads best on it, at 5.21:1.
| Hue family | Reds |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.108) |
| Temperature | warm |
| Nearest name | Sienna (#A0522D) |
| Black text | 4.02:1 |
| White text | 5.21:1 |
Values
| HEX | #A6554D |
| RGB | rgb(166, 85, 77) |
| HSL | hsl(5, 37%, 48%) |
| OKLCH | oklch(54.5% 0.108 27) |
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 #A6554D | 5.21:1 | AA | Lc -80.9 | Fine for body text |
| Black text on #A6554D | 4.02:1 | AA large text | Lc 28.6 | Dividers and decoration only |
| #A6554D text on white | 5.21:1 | AA | Lc 75.5 | Fine for body text |
| #A6554D text on black | 4.02:1 | AA large text | Lc -26.2 | 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
#FAF4F3
oklch(97.2% 0.007 28.8)
-
Step 100
100
#F3E7E5
oklch(93.7% 0.013 28.9)
-
Step 200
200
#EBD3D0
oklch(88.6% 0.027 26.2)
-
Step 300
300
#DFB5B0
oklch(80.9% 0.049 26.1)
-
Step 400
400
#CD8E86
oklch(70.7% 0.078 27.3)
-
Step 500
500
#BE7168
oklch(63.1% 0.099 27.3)
-
Step 600
600 (this color)
#A6554D
oklch(54.5% 0.108 27)
-
Step 700
700
#914841
oklch(49.1% 0.1 27)
-
Step 800
800
#763B35
oklch(42.6% 0.084 27.2)
-
Step 900
900
#60332E
oklch(37.7% 0.066 27.3)
-
Step 950
950
#381E1B
oklch(26.9% 0.041 27.2)
#A6554D 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) | #68624C | 0.112 |
| Deuteranopia (no green cones) | #7C734B | 0.104 |
| Tritanopia (no blue cones) | #B44853 | 0.039 |
| Achromatopsia (no color) | #6C6C6C | 0.109 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A6554D
#A6554D
oklch(54.5% 0.108 27)
- #007F8C
#007F8C
oklch(54.5% 0.094 207.3)
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 #A6554D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sienna #A0522D ΔE 0.040
- Light Maroon #A24857 ΔE 0.040
- Dusty Red #B9484E ΔE 0.042
- Dark Rose #B5485D ΔE 0.049
- Earth #A2653E ΔE 0.050
- Dull Red #BB3F3F ΔE 0.052
- Light Burgundy #A8415B ΔE 0.055
- Cinnamon #AC4F06 ΔE 0.058
Use #A6554D 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.