#AC641D
Closest named color: Orangey Brown (#B16002). oklch(57.3% 0.123 59.6), rgb(172, 100, 29).
Aa
Black text reads best on this color (4.59:1).
About this color
#AC641D is a medium-dark, moderately saturated brown. In OKLCH its lightness is 57%, its chroma 0.123 and its hue 60°. Its hue sits on the warm side of the wheel. The nearest named color is Orangey Brown (#B16002), ΔE 0.013 away. Black text reads best on it, at 4.59:1.
| Hue family | Browns |
| Lightness | medium-dark (57%) |
| Chroma | moderately saturated (0.123) |
| Temperature | warm |
| Nearest name | Orangey Brown (#B16002) |
| Black text | 4.59:1 |
| White text | 4.57:1 |
Values
| HEX | #AC641D |
| RGB | rgb(172, 100, 29) |
| HSL | hsl(30, 71%, 39%) |
| OKLCH | oklch(57.3% 0.123 59.6) |
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 #AC641D | 4.57:1 | AA | Lc -76.8 | Fine for body text |
| Black text on #AC641D | 4.59:1 | AA | Lc 32.7 | Non-text elements, placeholder text |
| #AC641D text on white | 4.57:1 | AA | Lc 71.4 | Content text, not long reading |
| #AC641D text on black | 4.59:1 | AA | Lc -30.3 | 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
#F9F4F1
oklch(97% 0.007 53.4)
-
Step 100
100
#F2E8E0
oklch(93.7% 0.015 61.3)
-
Step 200
200
#E9D5C6
oklch(88.5% 0.03 59.3)
-
Step 300
300
#DCB99E
oklch(80.9% 0.055 59.5)
-
Step 400
400
#CA9368
oklch(70.7% 0.088 58.7)
-
Step 500
500
#BB773C
oklch(63% 0.113 59.3)
-
Step 600
600 (this color)
#AC641D
oklch(57.3% 0.123 59.6)
-
Step 700
700
#8F4E04
oklch(49.2% 0.114 59.4)
-
Step 800
800
#74400B
oklch(42.7% 0.095 59.2)
-
Step 900
900
#5E3714
oklch(37.8% 0.074 59.2)
-
Step 950
950
#37200D
oklch(26.9% 0.047 58.4)
#AC641D 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) | #7A6C10 | 0.091 |
| Deuteranopia (no green cones) | #8B7C1D | 0.082 |
| Tritanopia (no blue cones) | #BD5456 | 0.086 |
| Achromatopsia (no color) | #767676 | 0.123 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AC641D
#AC641D
oklch(57.3% 0.123 59.6)
- #1980B9
#1980B9
oklch(57.3% 0.123 240)
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 #AC641D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Orangey Brown #B16002 ΔE 0.013
- Umber #B26400 ΔE 0.014
- Raw Umber #A75E09 ΔE 0.019
- Copper #B66325 ΔE 0.020
- Brown Orange #B96902 ΔE 0.030
- Earth #A2653E ΔE 0.031
- Caramel #AF6F09 ΔE 0.032
- Orange Brown #BE6400 ΔE 0.033
Use #AC641D 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.