#A55A45
Closest named color: Sienna (#A0522D). oklch(55.1% 0.104 36.5), rgb(165, 90, 69).
Aa
White text reads best on this color (5.06:1).
About this color
#A55A45 is a medium-dark, moderately saturated red. In OKLCH its lightness is 55%, its chroma 0.104 and its hue 37°. 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 5.06:1.
| Hue family | Reds |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.104) |
| Temperature | warm |
| Nearest name | Sienna (#A0522D) |
| Black text | 4.14:1 |
| White text | 5.06:1 |
Values
| HEX | #A55A45 |
| RGB | rgb(165, 90, 69) |
| HSL | hsl(13, 41%, 46%) |
| OKLCH | oklch(55.1% 0.104 36.5) |
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 #A55A45 | 5.06:1 | AA | Lc -80.0 | Fine for body text |
| Black text on #A55A45 | 4.14:1 | AA large text | Lc 29.4 | Dividers and decoration only |
| #A55A45 text on white | 5.06:1 | AA | Lc 74.6 | Content text, not long reading |
| #A55A45 text on black | 4.14:1 | AA large text | Lc -27.1 | 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
#F9F4F2
oklch(97% 0.006 43.3)
-
Step 100
100
#F3E7E4
oklch(93.7% 0.014 34.3)
-
Step 200
200
#EAD4CD
oklch(88.6% 0.026 38.5)
-
Step 300
300
#DDB7AC
oklch(81% 0.047 36.7)
-
Step 400
400
#CA9080
oklch(70.6% 0.075 36)
-
Step 500
500
#BB7460
oklch(63% 0.095 36.5)
-
Step 600
600 (this color)
#A55A45
oklch(55.1% 0.104 36.5)
-
Step 700
700
#8F4B38
oklch(49.2% 0.097 36.5)
-
Step 800
800
#743E2F
oklch(42.7% 0.08 36.4)
-
Step 900
900
#5E352A
oklch(37.7% 0.062 35.9)
-
Step 950
950
#371F19
oklch(26.9% 0.039 34.8)
#A55A45 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) | #6D6543 | 0.101 |
| Deuteranopia (no green cones) | #7F7544 | 0.094 |
| Tritanopia (no blue cones) | #B44D55 | 0.049 |
| Achromatopsia (no color) | #6E6E6E | 0.105 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A55A45
#A55A45
oklch(55.1% 0.104 36.5)
- #007F97
#007F97
oklch(55% 0.098 217.2)
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 #A55A45, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sienna #A0522D ΔE 0.031
- Earth #A2653E ΔE 0.032
- Sepia #985E2B ΔE 0.043
- Cinnamon #AC4F06 ΔE 0.048
- Raw Umber #A75E09 ΔE 0.053
- Clay #B66A50 ΔE 0.053
- Burnt Siena #B75203 ΔE 0.053
- Copper #B66325 ΔE 0.055
Use #A55A45 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.