#A36618
Closest named color: Raw Umber (#A75E09). oklch(56.5% 0.116 66.4), rgb(163, 102, 24).
Aa
White text reads best on this color (4.69:1).
About this color
#A36618 is a medium-dark, moderately saturated brown. In OKLCH its lightness is 56%, its chroma 0.116 and its hue 66°. Its hue sits on the warm side of the wheel. The nearest named color is Raw Umber (#A75E09), ΔE 0.019 away. White text reads best on it, at 4.69:1.
| Hue family | Browns |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.116) |
| Temperature | warm |
| Nearest name | Raw Umber (#A75E09) |
| Black text | 4.47:1 |
| White text | 4.69:1 |
Values
| HEX | #A36618 |
| RGB | rgb(163, 102, 24) |
| HSL | hsl(34, 74%, 37%) |
| OKLCH | oklch(56.5% 0.116 66.4) |
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 #A36618 | 4.69:1 | AA | Lc -77.8 | Fine for body text |
| Black text on #A36618 | 4.47:1 | AA large text | Lc 31.8 | Non-text elements, placeholder text |
| #A36618 text on white | 4.69:1 | AA | Lc 72.3 | Content text, not long reading |
| #A36618 text on black | 4.47:1 | AA large text | Lc -29.4 | 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
#F9F5F1
oklch(97.2% 0.007 67.7)
-
Step 100
100
#F1E8DF
oklch(93.6% 0.016 67.6)
-
Step 200
200
#E7D6C5
oklch(88.5% 0.03 67.4)
-
Step 300
300
#D8BB9D
oklch(80.9% 0.053 67.9)
-
Step 400
400
#C49667
oklch(70.6% 0.084 66.4)
-
Step 500
500
#B57B3C
oklch(63% 0.107 65.8)
-
Step 600
600 (this color)
#A36618
oklch(56.5% 0.116 66.4)
-
Step 700
700
#895202
oklch(49.1% 0.108 66.3)
-
Step 800
800
#6F440A
oklch(42.8% 0.089 67.2)
-
Step 900
900
#5A3913
oklch(37.6% 0.07 66.2)
-
Step 950
950
#35220D
oklch(27.1% 0.044 66.7)
#A36618 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) | #7A6B06 | 0.075 |
| Deuteranopia (no green cones) | #88791A | 0.066 |
| Tritanopia (no blue cones) | #B35757 | 0.090 |
| Achromatopsia (no color) | #747474 | 0.117 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A36618
#A36618
oklch(56.5% 0.116 66.4)
- #327BB6
#327BB6
oklch(56.5% 0.116 246.4)
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 #A36618, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Raw Umber #A75E09 ΔE 0.019
- Raw Sienna #9A6200 ΔE 0.022
- Orangey Brown #B16002 ΔE 0.027
- Umber #B26400 ΔE 0.027
- Earth #A2653E ΔE 0.033
- Caramel #AF6F09 ΔE 0.034
- Sepia #985E2B ΔE 0.035
- Copper #B66325 ΔE 0.038
Use #A36618 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.