#A55145
Closest named color: Sienna (#A0522D). oklch(53.6% 0.113 29.7), rgb(165, 81, 69).
Aa
White text reads best on this color (5.43:1).
About this color
#A55145 is a medium-dark, moderately saturated red. In OKLCH its lightness is 54%, its chroma 0.113 and its hue 30°. Its hue sits on the warm side of the wheel. The nearest named color is Sienna (#A0522D), ΔE 0.031 away. White text reads best on it, at 5.43:1.
| Hue family | Reds |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.113) |
| Temperature | warm |
| Nearest name | Sienna (#A0522D) |
| Black text | 3.86:1 |
| White text | 5.43:1 |
Values
| HEX | #A55145 |
| RGB | rgb(165, 81, 69) |
| HSL | hsl(8, 41%, 46%) |
| OKLCH | oklch(53.6% 0.113 29.7) |
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 #A55145 | 5.43:1 | AA | Lc -82.0 | Fine for body text |
| Black text on #A55145 | 3.86:1 | AA large text | Lc 27.4 | Dividers and decoration only |
| #A55145 text on white | 5.43:1 | AA | Lc 76.7 | Fine for body text |
| #A55145 text on black | 3.86:1 | AA large text | Lc -25.1 | 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
#F4E6E4
oklch(93.5% 0.016 27.3)
-
Step 200
200
#EBD3CE
oklch(88.5% 0.028 31.7)
-
Step 300
300
#E0B5AE
oklch(80.9% 0.051 29)
-
Step 400
400
#CF8D83
oklch(70.7% 0.083 28.8)
-
Step 500
500
#C07064
oklch(63% 0.104 29.4)
-
Step 600
600 (this color)
#A55145
oklch(53.6% 0.113 29.7)
-
Step 700
700
#93473C
oklch(49.1% 0.105 29.8)
-
Step 800
800
#783A32
oklch(42.7% 0.088 28.9)
-
Step 900
900
#61332C
oklch(37.8% 0.068 29.7)
-
Step 950
950
#391E1A
oklch(27% 0.043 29.2)
#A55145 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) | #665F44 | 0.115 |
| Deuteranopia (no green cones) | #7A7043 | 0.107 |
| Tritanopia (no blue cones) | #B4434E | 0.043 |
| Achromatopsia (no color) | #6A6A6A | 0.114 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A55145
#A55145
oklch(53.6% 0.113 29.7)
- #007C8B
#007C8B
oklch(53.7% 0.093 209.5)
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 #A55145, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sienna #A0522D ΔE 0.031
- Light Maroon #A24857 ΔE 0.039
- Dusty Red #B9484E ΔE 0.044
- Dull Red #BB3F3F ΔE 0.049
- Cinnamon #AC4F06 ΔE 0.051
- Burnt Umber #A0450E ΔE 0.052
- Dark Rose #B5485D ΔE 0.052
- Earth #A2653E ΔE 0.053
Use #A55145 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.