#6B550C
Closest named color: Olive Brown (#645403). oklch(45.9% 0.089 90.2), rgb(107, 85, 12).
Aa
White text reads best on this color (7.16:1).
About this color
#6B550C is a medium-dark, moderately saturated brown. In OKLCH its lightness is 46%, its chroma 0.089 and its hue 90°. Its hue sits on the warm side of the wheel. The nearest named color is Olive Brown (#645403), ΔE 0.014 away. White text reads best on it, at 7.16:1.
| Hue family | Browns |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.089) |
| Temperature | warm |
| Nearest name | Olive Brown (#645403) |
| Black text | 2.92:1 |
| White text | 7.16:1 |
Values
| HEX | #6B550C |
| RGB | rgb(107, 85, 12) |
| HSL | hsl(46, 80%, 23%) |
| OKLCH | oklch(45.9% 0.089 90.2) |
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 #6B550C | 7.16:1 | AAA | Lc -89.6 | Fine for body text |
| Black text on #6B550C | 2.92:1 | Fails | Lc 19.3 | Dividers and decoration only |
| #6B550C text on white | 7.16:1 | AAA | Lc 84.7 | Fine for body text |
| #6B550C text on black | 2.92:1 | Fails | Lc -17.3 | 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
#F7F5F1
oklch(97.1% 0.006 84.6)
-
Step 100
100
#EDEAE1
oklch(93.7% 0.012 91.5)
-
Step 200
200
#DFD9C8
oklch(88.5% 0.024 90.8)
-
Step 300
300
#CBC0A2
oklch(80.9% 0.042 90.3)
-
Step 400
400
#B19F6F
oklch(70.7% 0.068 89.8)
-
Step 500
500
#9E8747
oklch(63.1% 0.088 90)
-
Step 600
600
#897027
oklch(55.5% 0.095 89.7)
-
Step 700
700 (this color)
#6B550C
oklch(45.9% 0.089 90.2)
-
Step 800
800
#5F4D18
oklch(42.8% 0.074 89.8)
-
Step 900
900
#4D401A
oklch(37.6% 0.058 90.5)
-
Step 950
950
#2D2610
oklch(27.1% 0.037 92.1)
#6B550C 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) | #605400 | 0.022 |
| Deuteranopia (no green cones) | #655A11 | 0.016 |
| Tritanopia (no blue cones) | #754D48 | 0.081 |
| Achromatopsia (no color) | #585858 | 0.089 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B550C
#6B550C
oklch(45.9% 0.089 90.2)
- #45548A
#45548A
oklch(45.9% 0.09 270.8)
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 #6B550C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Olive Brown #645403 ΔE 0.014
- Mud #735C12 ΔE 0.026
- Greeny Brown #696006 ΔE 0.033
- Medium Brown #7F5112 ΔE 0.039
- Milk Chocolate #7F4E1E ΔE 0.046
- Green Brown #544E03 ΔE 0.048
- Mud Brown #60460F ΔE 0.050
- Mud Green #606602 ΔE 0.053
Use #6B550C 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.