#AD644C
Closest named color: Clay (#B66A50). oklch(58% 0.101 38.9), rgb(173, 100, 76).
Aa
Black text reads best on this color (4.70:1).
About this color
#AD644C is a medium-dark, moderately saturated red. In OKLCH its lightness is 58%, its chroma 0.101 and its hue 39°. Its hue sits on the warm side of the wheel. The nearest named color is Clay (#B66A50), ΔE 0.023 away. Black text reads best on it, at 4.70:1.
| Hue family | Reds |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.101) |
| Temperature | warm |
| Nearest name | Clay (#B66A50) |
| Black text | 4.70:1 |
| White text | 4.46:1 |
Values
| HEX | #AD644C |
| RGB | rgb(173, 100, 76) |
| HSL | hsl(15, 39%, 49%) |
| OKLCH | oklch(58% 0.101 38.9) |
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 #AD644C | 4.46:1 | AA large text | Lc -76.2 | Fine for body text |
| Black text on #AD644C | 4.70:1 | AA | Lc 33.4 | Non-text elements, placeholder text |
| #AD644C text on white | 4.46:1 | AA large text | Lc 70.7 | Content text, not long reading |
| #AD644C text on black | 4.70:1 | AA | Lc -31.0 | 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
#F9F4F2
oklch(97% 0.006 43.3)
-
Step 100
100
#F2E7E3
oklch(93.6% 0.013 41.2)
-
Step 200
200
#E9D4CD
oklch(88.5% 0.025 39.4)
-
Step 300
300
#DCB7AB
oklch(80.9% 0.046 38.8)
-
Step 400
400
#C9917F
oklch(70.6% 0.073 38.6)
-
Step 500
500
#BA755F
oklch(63.1% 0.093 38.4)
-
Step 600
600 (this color)
#AD644C
oklch(58% 0.101 38.9)
-
Step 700
700
#8D4C37
oklch(49% 0.094 38.6)
-
Step 800
800
#733F2E
oklch(42.8% 0.078 38.8)
-
Step 900
900
#5D3629
oklch(37.7% 0.06 39.2)
-
Step 950
950
#372018
oklch(27.1% 0.039 39.9)
#AD644C 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) | #776E4A | 0.095 |
| Deuteranopia (no green cones) | #887D4B | 0.088 |
| Tritanopia (no blue cones) | #BC585E | 0.050 |
| Achromatopsia (no color) | #777777 | 0.102 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AD644C
#AD644C
oklch(58% 0.101 38.9)
- #1288A3
#1288A3
oklch(58% 0.101 219.1)
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 #AD644C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Clay #B66A50 ΔE 0.023
- Earth #A2653E ΔE 0.028
- Adobe #BD6C48 ΔE 0.038
- Pinkish Brown #B17261 ΔE 0.039
- Copper #B66325 ΔE 0.040
- Clay Brown #B2713D ΔE 0.044
- Mocha #9D7651 ΔE 0.050
- Orangey Brown #B16002 ΔE 0.053
Use #AD644C 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.