#642C00
Closest named color: Chestnut (#742802). oklch(36.4% 0.095 50.9), rgb(100, 44, 0).
Aa
White text reads best on this color (11.04:1).
About this color
#642C00 is a dark, moderately saturated brown. In OKLCH its lightness is 36%, its chroma 0.095 and its hue 51°. 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 11.04:1.
| Hue family | Browns |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.095) |
| Temperature | warm |
| Nearest name | Chestnut (#742802) |
| Black text | 1.90:1 |
| White text | 11.04:1 |
Values
| HEX | #642C00 |
| RGB | rgb(100, 44, 0) |
| HSL | hsl(26, 100%, 20%) |
| OKLCH | oklch(36.4% 0.095 50.9) |
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 #642C00 | 11.04:1 | AAA | Lc -98.9 | Preferred for body text |
| Black text on #642C00 | 1.90:1 | Fails | Lc 8.9 | Not readable |
| #642C00 text on white | 11.04:1 | AAA | Lc 95.0 | Preferred for body text |
| #642C00 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
#F0D2C2
oklch(88.5% 0.04 49.9)
-
Step 300
300
#E7B497
oklch(80.9% 0.072 51)
-
Step 400
400
#D98B5C
oklch(70.7% 0.114 51.1)
-
Step 500
500
#CD6B27
oklch(63.1% 0.146 50.9)
-
Step 600
600
#B35400
oklch(55.5% 0.145 50.8)
-
Step 700
700
#974600
oklch(49% 0.128 50.9)
-
Step 800
800
#7D3900
oklch(42.8% 0.111 51.1)
-
Step 900
900 (this color)
#642C00
oklch(36.4% 0.095 50.9)
-
Step 950
950
#3D1C07
oklch(26.9% 0.06 50)
#642C00 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 | 0.083 |
| Deuteranopia (no green cones) | #4A4100 | 0.075 |
| Tritanopia (no blue cones) | #6F1F24 | 0.056 |
| Achromatopsia (no color) | #3C3C3C | 0.096 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #642C00
#642C00
oklch(36.4% 0.095 50.9)
- #00455E
#00455E
oklch(36.6% 0.074 230.7)
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 #642C00, 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 0.054
- Mud Brown #60460F ΔE 0.068
- Blood #770001 ΔE 0.069
- Purple Brown #673A3F ΔE 0.072
- Maroon #800000 ΔE 0.076
- Claret #680018 ΔE 0.081
- Rust Brown #8B3103 ΔE 0.085
Use #642C00 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.