#A2811F
Closest named color: Mustard Brown (#AC7E04). oklch(61.8% 0.116 88.7), rgb(162, 129, 31).
Aa
Black text reads best on this color (5.69:1).
About this color
#A2811F is a medium-dark, moderately saturated brown. In OKLCH its lightness is 62%, its chroma 0.116 and its hue 89°. Its hue sits on the warm side of the wheel. The nearest named color is Mustard Brown (#AC7E04), ΔE 0.017 away. Black text reads best on it, at 5.69:1.
| Hue family | Browns |
| Lightness | medium-dark (62%) |
| Chroma | moderately saturated (0.116) |
| Temperature | warm |
| Nearest name | Mustard Brown (#AC7E04) |
| Black text | 5.69:1 |
| White text | 3.68:1 |
Values
| HEX | #A2811F |
| RGB | rgb(162, 129, 31) |
| HSL | hsl(45, 68%, 38%) |
| OKLCH | oklch(61.8% 0.116 88.7) |
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 #A2811F | 3.68:1 | AA large text | Lc -69.8 | Content text, not long reading |
| Black text on #A2811F | 5.69:1 | AA | Lc 39.8 | Non-text elements, placeholder text |
| #A2811F text on white | 3.68:1 | AA large text | Lc 64.3 | Content text, not long reading |
| #A2811F text on black | 5.69:1 | AA | Lc -37.4 | 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 500.
-
Step 50
50
#F7F5F0
oklch(97% 0.007 88.6)
-
Step 100
100
#EEEADE
oklch(93.7% 0.017 91.6)
-
Step 200
200
#E1D9C2
oklch(88.6% 0.032 91)
-
Step 300
300
#CFBF97
oklch(80.8% 0.057 88.8)
-
Step 400
400
#B89E5B
oklch(70.8% 0.092 88.8)
-
Step 500
500 (this color)
#A2811F
oklch(61.8% 0.116 88.7)
-
Step 600
600
#8E6F00
oklch(55.6% 0.114 89.2)
-
Step 700
700
#785D00
oklch(49.2% 0.101 88.9)
-
Step 800
800
#624C00
oklch(42.8% 0.087 89.5)
-
Step 900
900
#523F02
oklch(37.8% 0.076 89)
-
Step 950
950
#302506
oklch(27% 0.048 88.9)
#A2811F 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) | #918008 | 0.032 |
| Deuteranopia (no green cones) | #998925 | 0.024 |
| Tritanopia (no blue cones) | #B0756F | 0.106 |
| Achromatopsia (no color) | #858585 | 0.116 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A2811F
#A2811F
oklch(61.8% 0.116 88.7)
- #6982CC
#6982CC
oklch(62% 0.116 268.7)
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 #A2811F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mustard Brown #AC7E04 ΔE 0.017
- Bronze #A87900 ΔE 0.021
- Dark Mustard #A88905 ΔE 0.028
- Golden Brown #B27A01 ΔE 0.029
- Yellowy Brown #AE8B0C ΔE 0.036
- Dark Goldenrod #B8860B ΔE 0.041
- Coffee #A6814C ΔE 0.041
- Dark Tan #AF884A ΔE 0.045
Use #A2811F 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.