#A8660D
Closest named color: Umber (#B26400). oklch(57.1% 0.124 65.5), rgb(168, 102, 13).
Aa
White text reads best on this color (4.59:1).
About this color
#A8660D is a medium-dark, moderately saturated brown. In OKLCH its lightness is 57%, its chroma 0.124 and its hue 66°. Its hue sits on the warm side of the wheel. The nearest named color is Umber (#B26400), ΔE 0.018 away. White text reads best on it, at 4.59:1.
| Hue family | Browns |
| Lightness | medium-dark (57%) |
| Chroma | moderately saturated (0.124) |
| Temperature | warm |
| Nearest name | Umber (#B26400) |
| Black text | 4.57:1 |
| White text | 4.59:1 |
Values
| HEX | #A8660D |
| RGB | rgb(168, 102, 13) |
| HSL | hsl(34, 86%, 35%) |
| OKLCH | oklch(57.1% 0.124 65.5) |
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 #A8660D | 4.59:1 | AA | Lc -77.0 | Fine for body text |
| Black text on #A8660D | 4.57:1 | AA | Lc 32.5 | Non-text elements, placeholder text |
| #A8660D text on white | 4.59:1 | AA | Lc 71.5 | Content text, not long reading |
| #A8660D text on black | 4.57:1 | AA | Lc -30.1 | Non-text elements, placeholder text |
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
#F9F5F0
oklch(97.2% 0.008 73.7)
-
Step 100
100
#F2E8DF
oklch(93.6% 0.016 64.7)
-
Step 200
200
#E8D6C4
oklch(88.6% 0.031 67.4)
-
Step 300
300
#DABA9B
oklch(80.9% 0.056 66)
-
Step 400
400
#C79564
oklch(70.7% 0.089 65)
-
Step 500
500
#B87A36
oklch(63.1% 0.114 65.4)
-
Step 600
600 (this color)
#A8660D
oklch(57.1% 0.124 65.5)
-
Step 700
700
#8A5100
oklch(49% 0.11 65.1)
-
Step 800
800
#724200
oklch(42.7% 0.096 65.1)
-
Step 900
900
#5C380F
oklch(37.6% 0.074 64.8)
-
Step 950
950
#36210B
oklch(26.9% 0.047 64.6)
#A8660D 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) | #7B6C00 | 0.081 |
| Deuteranopia (no green cones) | #8B7B0F | 0.072 |
| Tritanopia (no blue cones) | #B85657 | 0.095 |
| Achromatopsia (no color) | #757575 | 0.124 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A8660D
#A8660D
oklch(57.1% 0.124 65.5)
- #2B7DBB
#2B7DBB
oklch(57% 0.123 245.6)
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 #A8660D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Umber #B26400 ΔE 0.018
- Raw Umber #A75E09 ΔE 0.020
- Orangey Brown #B16002 ΔE 0.020
- Caramel #AF6F09 ΔE 0.027
- Raw Sienna #9A6200 ΔE 0.029
- Copper #B66325 ΔE 0.032
- Brown Orange #B96902 ΔE 0.033
- Earth #A2653E ΔE 0.038
Use #A8660D 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.