#642E03
Closest named color: Chestnut (#742802). oklch(36.8% 0.093 51.7), rgb(100, 46, 3).
Aa
White text reads best on this color (10.85:1).
About this color
#642E03 is a dark, moderately saturated brown. In OKLCH its lightness is 37%, its chroma 0.093 and its hue 52°. 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 10.85:1.
| Hue family | Browns |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.093) |
| Temperature | warm |
| Nearest name | Chestnut (#742802) |
| Black text | 1.93:1 |
| White text | 10.85:1 |
Values
| HEX | #642E03 |
| RGB | rgb(100, 46, 3) |
| HSL | hsl(27, 94%, 20%) |
| OKLCH | oklch(36.8% 0.093 51.7) |
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 #642E03 | 10.85:1 | AAA | Lc -98.6 | Preferred for body text |
| Black text on #642E03 | 1.93:1 | Fails | Lc 9.3 | Not readable |
| #642E03 text on white | 10.85:1 | AAA | Lc 94.6 | Preferred for body text |
| #642E03 text on black | 1.93:1 | Fails | Lc -8.0 | 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
#EFD3C2
oklch(88.6% 0.039 53.3)
-
Step 300
300
#E6B598
oklch(81% 0.069 52.1)
-
Step 400
400
#D78C5D
oklch(70.7% 0.111 52.1)
-
Step 500
500
#CB6D2A
oklch(63.2% 0.142 51.9)
-
Step 600
600
#B25500
oklch(55.5% 0.143 51.6)
-
Step 700
700
#974700
oklch(49.2% 0.127 51.6)
-
Step 800
800
#7C3900
oklch(42.6% 0.11 51.5)
-
Step 900
900 (this color)
#642E03
oklch(36.8% 0.093 51.7)
-
Step 950
950
#3C1D08
oklch(27% 0.058 51.7)
#642E03 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) | #3E3500 | 0.079 |
| Deuteranopia (no green cones) | #4B4202 | 0.072 |
| Tritanopia (no blue cones) | #6F2126 | 0.057 |
| Achromatopsia (no color) | #3D3D3D | 0.093 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #642E03
#642E03
oklch(36.8% 0.093 51.7)
- #004560
#004560
oklch(36.7% 0.076 232.7)
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 #642E03, 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 0.057
- Mud Brown #60460F ΔE 0.064
- Purple Brown #673A3F ΔE 0.069
- Blood #770001 ΔE 0.072
- Maroon #800000 ΔE 0.078
- Rust Brown #8B3103 ΔE 0.084
- Claret #680018 ΔE 0.084
Use #642E03 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.