#A6635B
Closest named color: Clay (#B66A50). oklch(57.2% 0.088 27.4), rgb(166, 99, 91).
Aa
White text reads best on this color (4.60:1).
About this color
#A6635B is a medium-dark, moderately saturated red. In OKLCH its lightness is 57%, its chroma 0.088 and its hue 27°. Its hue sits on the warm side of the wheel. The nearest named color is Clay (#B66A50), ΔE 0.040 away. White text reads best on it, at 4.60:1.
| Hue family | Reds |
| Lightness | medium-dark (57%) |
| Chroma | moderately saturated (0.088) |
| Temperature | warm |
| Nearest name | Clay (#B66A50) |
| Black text | 4.55:1 |
| White text | 4.60:1 |
Values
| HEX | #A6635B |
| RGB | rgb(166, 99, 91) |
| HSL | hsl(6, 30%, 50%) |
| OKLCH | oklch(57.2% 0.088 27.4) |
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 #A6635B | 4.60:1 | AA | Lc -77.3 | Fine for body text |
| Black text on #A6635B | 4.55:1 | AA | Lc 32.3 | Non-text elements, placeholder text |
| #A6635B text on white | 4.60:1 | AA | Lc 71.8 | Content text, not long reading |
| #A6635B text on black | 4.55:1 | AA | Lc -29.9 | 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
#F9F4F3
oklch(97.1% 0.006 31.1)
-
Step 100
100
#F1E7E6
oklch(93.6% 0.011 24.3)
-
Step 200
200
#E7D4D1
oklch(88.5% 0.022 28.3)
-
Step 300
300
#D9B7B3
oklch(80.8% 0.04 25.9)
-
Step 400
400
#C5928B
oklch(70.7% 0.063 27.6)
-
Step 500
500
#B6766E
oklch(63.1% 0.082 27.4)
-
Step 600
600 (this color)
#A6635B
oklch(57.2% 0.088 27.4)
-
Step 700
700
#894D47
oklch(49% 0.082 26.5)
-
Step 800
800
#70403A
oklch(42.8% 0.068 27.9)
-
Step 900
900
#5B3632
oklch(37.7% 0.054 26.6)
-
Step 950
950
#35201D
oklch(27% 0.033 28.4)
#A6635B 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) | #726D5A | 0.090 |
| Deuteranopia (no green cones) | #827A5A | 0.084 |
| Tritanopia (no blue cones) | #B35A61 | 0.034 |
| Achromatopsia (no color) | #757575 | 0.089 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A6635B
#A6635B
oklch(57.2% 0.088 27.4)
- #248693
#248693
oklch(57.1% 0.088 208.1)
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 #A6635B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Clay #B66A50 ΔE 0.040
- Earth #A2653E ΔE 0.041
- Pinkish Brown #B17261 ΔE 0.044
- Reddish Grey #997570 ΔE 0.049
- Dusky Rose #BA6873 ΔE 0.051
- Adobe #BD6C48 ΔE 0.058
- Mocha #9D7651 ΔE 0.058
- Mauve #AE7181 ΔE 0.058
Use #A6635B 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.