#644E14
Closest named color: Olive Brown (#645403). oklch(43.6% 0.079 87), rgb(100, 78, 20).
Aa
White text reads best on this color (7.94:1).
About this color
#644E14 is a dark, moderately saturated brown. In OKLCH its lightness is 44%, its chroma 0.079 and its hue 87°. Its hue sits on the warm side of the wheel. The nearest named color is Olive Brown (#645403), ΔE 0.022 away. White text reads best on it, at 7.94:1.
| Hue family | Browns |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.079) |
| Temperature | warm |
| Nearest name | Olive Brown (#645403) |
| Black text | 2.64:1 |
| White text | 7.94:1 |
Values
| HEX | #644E14 |
| RGB | rgb(100, 78, 20) |
| HSL | hsl(44, 67%, 24%) |
| OKLCH | oklch(43.6% 0.079 87) |
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 #644E14 | 7.94:1 | AAA | Lc -92.1 | Preferred for body text |
| Black text on #644E14 | 2.64:1 | Fails | Lc 16.6 | Dividers and decoration only |
| #644E14 text on white | 7.94:1 | AAA | Lc 87.4 | Fine for body text |
| #644E14 text on black | 2.64:1 | Fails | Lc -14.7 | Not readable |
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
#EEE9E0
oklch(93.5% 0.013 82.4)
-
Step 200
200
#E0D8C7
oklch(88.4% 0.025 85.8)
-
Step 300
300
#CDBF9F
oklch(80.8% 0.046 87.2)
-
Step 400
400
#B49E6B
oklch(70.7% 0.073 87.2)
-
Step 500
500
#A28641
oklch(63.2% 0.094 87.4)
-
Step 600
600
#8D6F1D
oklch(55.7% 0.103 87.4)
-
Step 700
700
#785C0E
oklch(49% 0.095 86.6)
-
Step 800
800 (this color)
#644E14
oklch(43.6% 0.079 87)
-
Step 900
900
#503F16
oklch(37.7% 0.062 86.3)
-
Step 950
950
#2F250E
oklch(27% 0.04 86.1)
#644E14 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) | #584D0B | 0.024 |
| Deuteranopia (no green cones) | #5E5317 | 0.017 |
| Tritanopia (no blue cones) | #6D4643 | 0.072 |
| Achromatopsia (no color) | #515151 | 0.079 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #644E14
#644E14
oklch(43.6% 0.079 87)
- #3E4F7D
#3E4F7D
oklch(43.5% 0.079 267.7)
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 #644E14, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Olive Brown #645403 ΔE 0.022
- Mud Brown #60460F ΔE 0.025
- Green Brown #544E03 ΔE 0.032
- Mud #735C12 ΔE 0.051
- Medium Brown #7F5112 ΔE 0.052
- Milk Chocolate #7F4E1E ΔE 0.053
- Greeny Brown #696006 ΔE 0.057
- Army Green #4B5D16 ΔE 0.058
Use #644E14 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.