#684E1B
Closest named color: Olive Brown (#645403). oklch(44.1% 0.076 81.1), rgb(104, 78, 27).
Aa
White text reads best on this color (7.79:1).
About this color
#684E1B is a dark, moderately saturated brown. In OKLCH its lightness is 44%, its chroma 0.076 and its hue 81°. Its hue sits on the warm side of the wheel. The nearest named color is Olive Brown (#645403), ΔE 0.028 away. White text reads best on it, at 7.79:1.
| Hue family | Browns |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.076) |
| Temperature | warm |
| Nearest name | Olive Brown (#645403) |
| Black text | 2.69:1 |
| White text | 7.79:1 |
Values
| HEX | #684E1B |
| RGB | rgb(104, 78, 27) |
| HSL | hsl(40, 59%, 26%) |
| OKLCH | oklch(44.1% 0.076 81.1) |
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 #684E1B | 7.79:1 | AAA | Lc -91.7 | Preferred for body text |
| Black text on #684E1B | 2.69:1 | Fails | Lc 17.1 | Dividers and decoration only |
| #684E1B text on white | 7.79:1 | AAA | Lc 86.9 | Fine for body text |
| #684E1B text on black | 2.69:1 | Fails | Lc -15.2 | 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 800.
-
Step 50
50
#F7F5F1
oklch(97.1% 0.006 84.6)
-
Step 100
100
#EEE9E1
oklch(93.6% 0.012 79.8)
-
Step 200
200
#E1D8C7
oklch(88.5% 0.025 83.4)
-
Step 300
300
#CFBEA1
oklch(80.8% 0.044 81.1)
-
Step 400
400
#B79C6E
oklch(70.6% 0.07 80.5)
-
Step 500
500
#A58446
oklch(63.1% 0.09 81.7)
-
Step 600
600
#906D25
oklch(55.6% 0.098 81.9)
-
Step 700
700
#7B5A17
oklch(49% 0.091 80.5)
-
Step 800
800 (this color)
#684E1B
oklch(44.1% 0.076 81.1)
-
Step 900
900
#513E1A
oklch(37.6% 0.058 81.3)
-
Step 950
950
#302410
oklch(26.9% 0.037 78.9)
#684E1B 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) | #594E15 | 0.029 |
| Deuteranopia (no green cones) | #5F551D | 0.024 |
| Tritanopia (no blue cones) | #714643 | 0.066 |
| Achromatopsia (no color) | #525252 | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #684E1B
#684E1B
oklch(44.1% 0.076 81.1)
- #3B537D
#3B537D
oklch(44.2% 0.076 261.1)
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 #684E1B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Olive Brown #645403 ΔE 0.028
- Mud Brown #60460F ΔE 0.029
- Green Brown #544E03 ΔE 0.042
- Milk Chocolate #7F4E1E ΔE 0.044
- Medium Brown #7F5112 ΔE 0.044
- Mud #735C12 ΔE 0.048
- Greeny Brown #696006 ΔE 0.058
- Army Green #4B5D16 ΔE 0.065
Use #684E1B 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.