#6B552E
Closest named color: Olive Brown (#645403). oklch(46.3% 0.063 80.5), rgb(107, 85, 46).
Aa
White text reads best on this color (7.08:1).
About this color
#6B552E is a medium-dark, muted brown. In OKLCH its lightness is 46%, its chroma 0.063 and its hue 81°. Its hue sits on the warm side of the wheel. The nearest named color is Olive Brown (#645403), ΔE 0.038 away. White text reads best on it, at 7.08:1.
| Hue family | Browns |
| Lightness | medium-dark (46%) |
| Chroma | muted (0.063) |
| Temperature | warm |
| Nearest name | Olive Brown (#645403) |
| Black text | 2.96:1 |
| White text | 7.08:1 |
Values
| HEX | #6B552E |
| RGB | rgb(107, 85, 46) |
| HSL | hsl(38, 40%, 30%) |
| OKLCH | oklch(46.3% 0.063 80.5) |
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 #6B552E | 7.08:1 | AAA | Lc -89.4 | Fine for body text |
| Black text on #6B552E | 2.96:1 | Fails | Lc 19.5 | Dividers and decoration only |
| #6B552E text on white | 7.08:1 | AAA | Lc 84.5 | Fine for body text |
| #6B552E text on black | 2.96:1 | Fails | Lc -17.5 | 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
#F7F5F2
oklch(97.1% 0.005 78.3)
-
Step 100
100
#EDE9E3
oklch(93.5% 0.009 78.3)
-
Step 200
200
#DFD8CD
oklch(88.5% 0.017 79.3)
-
Step 300
300
#CBBFAB
oklch(80.9% 0.031 80.6)
-
Step 400
400
#B09E7F
oklch(70.7% 0.048 81.2)
-
Step 500
500
#9D865E
oklch(63.1% 0.062 81)
-
Step 600
600
#886F44
oklch(55.6% 0.068 80.2)
-
Step 700
700 (this color)
#6B552E
oklch(46.3% 0.063 80.5)
-
Step 800
800
#5E4C2D
oklch(42.7% 0.052 80.3)
-
Step 900
900
#4D3F28
oklch(37.6% 0.041 79.4)
-
Step 950
950
#2D2518
oklch(27% 0.025 79.4)
#6B552E 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) | #5E552B | 0.024 |
| Deuteranopia (no green cones) | #635B2F | 0.021 |
| Tritanopia (no blue cones) | #734E4C | 0.056 |
| Achromatopsia (no color) | #585858 | 0.063 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B552E
#6B552E
oklch(46.3% 0.063 80.5)
- #44597C
#44597C
oklch(46.2% 0.063 260.4)
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 #6B552E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Olive Brown #645403 ΔE 0.038
- Milk Chocolate #7F4E1E ΔE 0.038
- Mud #735C12 ΔE 0.039
- Medium Brown #7F5112 ΔE 0.039
- Greeny Brown #696006 ΔE 0.052
- Mud Brown #60460F ΔE 0.053
- Green Brown #544E03 ΔE 0.060
- Cocoa #875F42 ΔE 0.064
Use #6B552E 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.