#6B573F
Closest named color: Milk Chocolate (#7F4E1E). oklch(47% 0.045 71.5), rgb(107, 87, 63).
Aa
White text reads best on this color (6.86:1).
About this color
#6B573F is a medium-dark, muted brown. In OKLCH its lightness is 47%, its chroma 0.045 and its hue 71°. Its hue sits on the warm side of the wheel. The nearest named color is Milk Chocolate (#7F4E1E), ΔE 0.047 away. White text reads best on it, at 6.86:1.
| Hue family | Browns |
| Lightness | medium-dark (47%) |
| Chroma | muted (0.045) |
| Temperature | warm |
| Nearest name | Milk Chocolate (#7F4E1E) |
| Black text | 3.06:1 |
| White text | 6.86:1 |
Values
| HEX | #6B573F |
| RGB | rgb(107, 87, 63) |
| HSL | hsl(33, 26%, 33%) |
| OKLCH | oklch(47% 0.045 71.5) |
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 #6B573F | 6.86:1 | AA | Lc -88.7 | Fine for body text |
| Black text on #6B573F | 3.06:1 | AA large text | Lc 20.4 | Dividers and decoration only |
| #6B573F text on white | 6.86:1 | AA | Lc 83.7 | Fine for body text |
| #6B573F text on black | 3.06:1 | AA large text | Lc -18.3 | 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
#F7F5F3
oklch(97.1% 0.003 67.8)
-
Step 100
100
#ECE9E5
oklch(93.5% 0.006 75.4)
-
Step 200
200
#DED8D1
oklch(88.5% 0.012 71.9)
-
Step 300
300
#CABFB2
oklch(81% 0.022 72.1)
-
Step 400
400
#AF9D8A
oklch(70.6% 0.034 68.7)
-
Step 500
500
#9B856C
oklch(63% 0.045 70.5)
-
Step 600
600
#856F54
oklch(55.6% 0.048 72.3)
-
Step 700
700 (this color)
#6B573F
oklch(47% 0.045 71.5)
-
Step 800
800
#5C4C39
oklch(42.8% 0.037 71.4)
-
Step 900
900
#4B3F31
oklch(37.6% 0.028 71.1)
-
Step 950
950
#2C251D
oklch(27% 0.018 70.7)
#6B573F 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) | #5E583D | 0.023 |
| Deuteranopia (no green cones) | #635C40 | 0.019 |
| Tritanopia (no blue cones) | #725251 | 0.038 |
| Achromatopsia (no color) | #5A5A5A | 0.045 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B573F
#6B573F
oklch(47% 0.045 71.5)
- #485D74
#485D74
oklch(47% 0.045 251.1)
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 #6B573F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Milk Chocolate #7F4E1E ΔE 0.047
- Medium Brown #7F5112 ΔE 0.051
- Mud #735C12 ΔE 0.053
- Cocoa #875F42 ΔE 0.057
- Olive Brown #645403 ΔE 0.058
- Dark Taupe #7F684E ΔE 0.062
- Dirt Brown #836539 ΔE 0.063
- Greeny Brown #696006 ΔE 0.066
Use #6B573F 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.