#A3610A
Closest named color: Raw Umber (#A75E09). oklch(55.5% 0.122 64.4), rgb(163, 97, 10).
Aa
White text reads best on this color (4.91:1).
About this color
#A3610A is a medium-dark, moderately saturated brown. In OKLCH its lightness is 55%, its chroma 0.122 and its hue 64°. Its hue sits on the warm side of the wheel. The nearest named color is Raw Umber (#A75E09), ΔE 0.010 away. White text reads best on it, at 4.91:1.
| Hue family | Browns |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.122) |
| Temperature | warm |
| Nearest name | Raw Umber (#A75E09) |
| Black text | 4.27:1 |
| White text | 4.91:1 |
Values
| HEX | #A3610A |
| RGB | rgb(163, 97, 10) |
| HSL | hsl(34, 88%, 34%) |
| OKLCH | oklch(55.5% 0.122 64.4) |
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 #A3610A | 4.91:1 | AA | Lc -79.1 | Fine for body text |
| Black text on #A3610A | 4.27:1 | AA large text | Lc 30.4 | Non-text elements, placeholder text |
| #A3610A text on white | 4.91:1 | AA | Lc 73.7 | Content text, not long reading |
| #A3610A text on black | 4.27:1 | AA large text | Lc -28.0 | 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
#F9F4F0
oklch(97% 0.008 61.5)
-
Step 100
100
#F2E8DF
oklch(93.6% 0.016 64.7)
-
Step 200
200
#E8D5C5
oklch(88.4% 0.03 62.5)
-
Step 300
300
#DABA9C
oklch(80.9% 0.055 65.1)
-
Step 400
400
#C79565
oklch(70.7% 0.088 64.4)
-
Step 500
500
#B87A38
oklch(63.2% 0.112 64.8)
-
Step 600
600 (this color)
#A3610A
oklch(55.5% 0.122 64.4)
-
Step 700
700
#8B5100
oklch(49.2% 0.111 64.6)
-
Step 800
800
#724205
oklch(42.8% 0.094 64)
-
Step 900
900
#5C3811
oklch(37.6% 0.073 63.9)
-
Step 950
950
#36210C
oklch(27% 0.046 63.5)
#A3610A 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) | #766700 | 0.082 |
| Deuteranopia (no green cones) | #86770C | 0.074 |
| Tritanopia (no blue cones) | #B35152 | 0.092 |
| Achromatopsia (no color) | #717171 | 0.122 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A3610A
#A3610A
oklch(55.5% 0.122 64.4)
- #2379B5
#2379B5
oklch(55.5% 0.122 244.3)
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 #A3610A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Raw Umber #A75E09 ΔE 0.010
- Raw Sienna #9A6200 ΔE 0.018
- Orangey Brown #B16002 ΔE 0.026
- Umber #B26400 ΔE 0.030
- Sepia #985E2B ΔE 0.030
- Earth #A2653E ΔE 0.036
- Copper #B66325 ΔE 0.040
- Cinnamon #AC4F06 ΔE 0.043
Use #A3610A 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.