#A64910
Closest named color: Burnt Umber (#A0450E). oklch(51.9% 0.138 46), rgb(166, 73, 16).
Aa
White text reads best on this color (5.86:1).
About this color
#A64910 is a medium-dark, moderately saturated brown. In OKLCH its lightness is 52%, its chroma 0.138 and its hue 46°. Its hue sits on the warm side of the wheel. The nearest named color is Burnt Umber (#A0450E), ΔE 0.016 away. White text reads best on it, at 5.86:1.
| Hue family | Browns |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.138) |
| Temperature | warm |
| Nearest name | Burnt Umber (#A0450E) |
| Black text | 3.58:1 |
| White text | 5.86:1 |
Values
| HEX | #A64910 |
| RGB | rgb(166, 73, 16) |
| HSL | hsl(23, 82%, 36%) |
| OKLCH | oklch(51.9% 0.138 46) |
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 #A64910 | 5.86:1 | AA | Lc -83.9 | Fine for body text |
| Black text on #A64910 | 3.58:1 | AA large text | Lc 25.4 | Dividers and decoration only |
| #A64910 text on white | 5.86:1 | AA | Lc 78.6 | Fine for body text |
| #A64910 text on black | 3.58:1 | AA large text | Lc -23.1 | 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 700.
-
Step 50
50
#FBF4F0
oklch(97.1% 0.009 52.1)
-
Step 100
100
#F6E6DF
oklch(93.6% 0.02 45.3)
-
Step 200
200
#EFD2C5
oklch(88.4% 0.037 45.6)
-
Step 300
300
#E6B49D
oklch(80.9% 0.067 45.9)
-
Step 400
400
#D88B66
oklch(70.8% 0.107 46.2)
-
Step 500
500
#CB6B3B
oklch(63% 0.137 45.6)
-
Step 600
600
#B65112
oklch(55.6% 0.148 46.3)
-
Step 700
700 (this color)
#A64910
oklch(51.9% 0.138 46)
-
Step 800
800
#7F3609
oklch(42.6% 0.114 46.1)
-
Step 900
900
#673012
oklch(37.8% 0.089 46.4)
-
Step 950
950
#3C1D0C
oklch(27% 0.056 47.7)
#A64910 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) | #645803 | 0.128 |
| Deuteranopia (no green cones) | #7A6D0B | 0.117 |
| Tritanopia (no blue cones) | #B7333F | 0.074 |
| Achromatopsia (no color) | #656565 | 0.138 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A64910
#A64910
oklch(51.9% 0.138 46)
- #007394
#007394
oklch(51.8% 0.099 226.5)
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 #A64910, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burnt Umber #A0450E ΔE 0.016
- Cinnamon #AC4F06 ΔE 0.020
- Sienna #A0522D ΔE 0.024
- Warm Brown #964E02 ΔE 0.034
- Russet #A13905 ΔE 0.035
- Burnt Siena #B75203 ΔE 0.042
- Sinopia #BB3E03 ΔE 0.042
- Rusty Red #AF2F0D ΔE 0.048
Use #A64910 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.