#A45939
Closest named color: Sienna (#A0522D). oklch(54.6% 0.109 43.1), rgb(164, 89, 57).
Aa
White text reads best on this color (5.16:1).
About this color
#A45939 is a medium-dark, moderately saturated brown. In OKLCH its lightness is 55%, its chroma 0.109 and its hue 43°. Its hue sits on the warm side of the wheel. The nearest named color is Sienna (#A0522D), ΔE 0.020 away. White text reads best on it, at 5.16:1.
| Hue family | Browns |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.109) |
| Temperature | warm |
| Nearest name | Sienna (#A0522D) |
| Black text | 4.06:1 |
| White text | 5.16:1 |
Values
| HEX | #A45939 |
| RGB | rgb(164, 89, 57) |
| HSL | hsl(18, 48%, 43%) |
| OKLCH | oklch(54.6% 0.109 43.1) |
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 #A45939 | 5.16:1 | AA | Lc -80.6 | Fine for body text |
| Black text on #A45939 | 4.06:1 | AA large text | Lc 28.9 | Dividers and decoration only |
| #A45939 text on white | 5.16:1 | AA | Lc 75.2 | Fine for body text |
| #A45939 text on black | 4.06:1 | AA large text | Lc -26.5 | 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
#FAF4F2
oklch(97.1% 0.007 39.5)
-
Step 100
100
#F3E7E2
oklch(93.6% 0.015 44.2)
-
Step 200
200
#EAD4CB
oklch(88.6% 0.028 43.6)
-
Step 300
300
#DDB7A8
oklch(80.9% 0.049 42.7)
-
Step 400
400
#CB9179
oklch(70.7% 0.079 43.4)
-
Step 500
500
#BC7557
oklch(63.2% 0.1 43.5)
-
Step 600
600 (this color)
#A45939
oklch(54.6% 0.109 43.1)
-
Step 700
700
#8F4B2E
oklch(49% 0.101 43)
-
Step 800
800
#743E27
oklch(42.6% 0.083 43.2)
-
Step 900
900
#5E3524
oklch(37.6% 0.065 43)
-
Step 950
950
#371F16
oklch(26.8% 0.041 41.2)
#A45939 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) | #6D6336 | 0.100 |
| Deuteranopia (no green cones) | #7F7438 | 0.093 |
| Tritanopia (no blue cones) | #B34B51 | 0.057 |
| Achromatopsia (no color) | #6D6D6D | 0.109 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A45939
#A45939
oklch(54.6% 0.109 43.1)
- #007C9B
#007C9B
oklch(54.4% 0.102 223.3)
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 #A45939, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sienna #A0522D ΔE 0.020
- Earth #A2653E ΔE 0.029
- Sepia #985E2B ΔE 0.032
- Cinnamon #AC4F06 ΔE 0.036
- Raw Umber #A75E09 ΔE 0.040
- Burnt Siena #B75203 ΔE 0.045
- Copper #B66325 ΔE 0.050
- Orangey Brown #B16002 ΔE 0.050
Use #A45939 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.