#A45B40
Closest named color: Earth (#A2653E). oklch(55% 0.104 40.8), rgb(164, 91, 64).
Aa
White text reads best on this color (5.06:1).
About this color
#A45B40 is a medium-dark, moderately saturated brown. In OKLCH its lightness is 55%, its chroma 0.104 and its hue 41°. Its hue sits on the warm side of the wheel. The nearest named color is Earth (#A2653E), ΔE 0.026 away. White text reads best on it, at 5.06:1.
| Hue family | Browns |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.104) |
| Temperature | warm |
| Nearest name | Earth (#A2653E) |
| Black text | 4.14:1 |
| White text | 5.06:1 |
Values
| HEX | #A45B40 |
| RGB | rgb(164, 91, 64) |
| HSL | hsl(16, 44%, 45%) |
| OKLCH | oklch(55% 0.104 40.8) |
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 #A45B40 | 5.06:1 | AA | Lc -80.0 | Fine for body text |
| Black text on #A45B40 | 4.14:1 | AA large text | Lc 29.4 | Dividers and decoration only |
| #A45B40 text on white | 5.06:1 | AA | Lc 74.6 | Content text, not long reading |
| #A45B40 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
#F2E7E3
oklch(93.6% 0.013 41.2)
-
Step 200
200
#E9D4CC
oklch(88.5% 0.026 42.1)
-
Step 300
300
#DCB7AA
oklch(80.8% 0.047 40.3)
-
Step 400
400
#CA917D
oklch(70.7% 0.075 40.2)
-
Step 500
500
#BB755C
oklch(63.1% 0.096 40.4)
-
Step 600
600 (this color)
#A45B40
oklch(55% 0.104 40.8)
-
Step 700
700
#8E4C33
oklch(49.1% 0.097 41.1)
-
Step 800
800
#733F2B
oklch(42.7% 0.079 41.5)
-
Step 900
900
#5D3627
oklch(37.7% 0.061 41.7)
-
Step 950
950
#372017
oklch(27.1% 0.039 42.1)
#A45B40 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) | #6E653E | 0.097 |
| Deuteranopia (no green cones) | #80753F | 0.090 |
| Tritanopia (no blue cones) | #B34E54 | 0.053 |
| Achromatopsia (no color) | #6F6F6F | 0.104 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A45B40
#A45B40
oklch(55% 0.104 40.8)
- #007E9B
#007E9B
oklch(54.9% 0.101 221.4)
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 #A45B40, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Earth #A2653E ΔE 0.026
- Sienna #A0522D ΔE 0.027
- Sepia #985E2B ΔE 0.036
- Cinnamon #AC4F06 ΔE 0.043
- Raw Umber #A75E09 ΔE 0.045
- Burnt Siena #B75203 ΔE 0.050
- Copper #B66325 ΔE 0.050
- Cocoa #875F42 ΔE 0.052
Use #A45B40 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.