#A45A42
Closest named color: Sienna (#A0522D). oklch(54.9% 0.104 38.7), rgb(164, 90, 66).
Aa
White text reads best on this color (5.09:1).
About this color
#A45A42 is a medium-dark, moderately saturated red. In OKLCH its lightness is 55%, its chroma 0.104 and its hue 39°. Its hue sits on the warm side of the wheel. The nearest named color is Sienna (#A0522D), ΔE 0.027 away. White text reads best on it, at 5.09:1.
| Hue family | Reds |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.104) |
| Temperature | warm |
| Nearest name | Sienna (#A0522D) |
| Black text | 4.11:1 |
| White text | 5.09:1 |
Values
| HEX | #A45A42 |
| RGB | rgb(164, 90, 66) |
| HSL | hsl(15, 43%, 45%) |
| OKLCH | oklch(54.9% 0.104 38.7) |
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 #A45A42 | 5.09:1 | AA | Lc -80.2 | Fine for body text |
| Black text on #A45A42 | 4.11:1 | AA large text | Lc 29.2 | Dividers and decoration only |
| #A45A42 text on white | 5.09:1 | AA | Lc 74.8 | Content text, not long reading |
| #A45A42 text on black | 4.11:1 | AA large text | Lc -26.9 | 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
#F2E7E3
oklch(93.6% 0.013 41.2)
-
Step 200
200
#E9D4CD
oklch(88.5% 0.025 39.4)
-
Step 300
300
#DCB7AB
oklch(80.9% 0.046 38.8)
-
Step 400
400
#CA917E
oklch(70.7% 0.075 39.2)
-
Step 500
500
#BB755E
oklch(63.2% 0.095 38.9)
-
Step 600
600 (this color)
#A45A42
oklch(54.9% 0.104 38.7)
-
Step 700
700
#8E4B36
oklch(49% 0.096 38.1)
-
Step 800
800
#743E2D
oklch(42.7% 0.081 38.2)
-
Step 900
900
#5E3528
oklch(37.7% 0.063 38.3)
-
Step 950
950
#371F18
oklch(26.9% 0.04 37)
#A45A42 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) | #6D6440 | 0.099 |
| Deuteranopia (no green cones) | #7F7441 | 0.091 |
| Tritanopia (no blue cones) | #B34D54 | 0.051 |
| Achromatopsia (no color) | #6E6E6E | 0.104 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A45A42
#A45A42
oklch(54.9% 0.104 38.7)
- #007E98
#007E98
oklch(54.8% 0.099 219)
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 #A45A42, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sienna #A0522D ΔE 0.027
- Earth #A2653E ΔE 0.030
- Sepia #985E2B ΔE 0.039
- Cinnamon #AC4F06 ΔE 0.045
- Raw Umber #A75E09 ΔE 0.049
- Burnt Siena #B75203 ΔE 0.052
- Cocoa #875F42 ΔE 0.053
- Copper #B66325 ΔE 0.053
Use #A45A42 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.