#642C04
Closest named color: Chestnut (#742802). oklch(36.5% 0.094 49.4), rgb(100, 44, 4).
Aa
White text reads best on this color (11.03:1).
About this color
#642C04 is a dark, moderately saturated brown. In OKLCH its lightness is 36%, its chroma 0.094 and its hue 49°. Its hue sits on the warm side of the wheel. The nearest named color is Chestnut (#742802), ΔE 0.034 away. White text reads best on it, at 11.03:1.
| Hue family | Browns |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.094) |
| Temperature | warm |
| Nearest name | Chestnut (#742802) |
| Black text | 1.90:1 |
| White text | 11.03:1 |
Values
| HEX | #642C04 |
| RGB | rgb(100, 44, 4) |
| HSL | hsl(25, 92%, 20%) |
| OKLCH | oklch(36.5% 0.094 49.4) |
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 #642C04 | 11.03:1 | AAA | Lc -98.9 | Preferred for body text |
| Black text on #642C04 | 1.90:1 | Fails | Lc 8.9 | Not readable |
| #642C04 text on white | 11.03:1 | AAA | Lc 95.0 | Preferred for body text |
| #642C04 text on black | 1.90:1 | Fails | Lc -7.6 | 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 900.
-
Step 50
50
#FBF4F0
oklch(97.1% 0.009 52.1)
-
Step 100
100
#F6E6DE
oklch(93.6% 0.021 48.5)
-
Step 200
200
#F0D2C3
oklch(88.5% 0.039 48.3)
-
Step 300
300
#E7B499
oklch(80.9% 0.07 49.2)
-
Step 400
400
#D98B5F
oklch(70.8% 0.112 49.6)
-
Step 500
500
#CD6B2D
oklch(63.2% 0.144 49.4)
-
Step 600
600
#B55200
oklch(55.5% 0.149 49.2)
-
Step 700
700
#994500
oklch(49.2% 0.131 49.6)
-
Step 800
800
#7E3700
oklch(42.6% 0.114 49.2)
-
Step 900
900 (this color)
#642C04
oklch(36.5% 0.094 49.4)
-
Step 950
950
#3D1C08
oklch(26.9% 0.06 49.1)
#642C04 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) | #3C3400 | 0.084 |
| Deuteranopia (no green cones) | #4A4102 | 0.075 |
| Tritanopia (no blue cones) | #6F1F25 | 0.055 |
| Achromatopsia (no color) | #3C3C3C | 0.094 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #642C04
#642C04
oklch(36.5% 0.094 49.4)
- #00455D
#00455D
oklch(36.5% 0.073 229.6)
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 #642C04, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chestnut #742802 ΔE 0.034
- Reddy Brown #6E1005 ΔE 0.052
- Blood #770001 ΔE 0.068
- Mud Brown #60460F ΔE 0.069
- Purple Brown #673A3F ΔE 0.070
- Maroon #800000 ΔE 0.075
- Claret #680018 ΔE 0.079
- Wine Red #7B0323 ΔE 0.085
Use #642C04 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.