#642D05
Closest named color: Chestnut (#742802). oklch(36.7% 0.093 50), rgb(100, 45, 5).
Aa
White text reads best on this color (10.94:1).
About this color
#642D05 is a dark, moderately saturated brown. In OKLCH its lightness is 37%, its chroma 0.093 and its hue 50°. 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 10.94:1.
| Hue family | Browns |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.093) |
| Temperature | warm |
| Nearest name | Chestnut (#742802) |
| Black text | 1.91:1 |
| White text | 10.94:1 |
Values
| HEX | #642D05 |
| RGB | rgb(100, 45, 5) |
| HSL | hsl(25, 90%, 21%) |
| OKLCH | oklch(36.7% 0.093 50) |
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 #642D05 | 10.94:1 | AAA | Lc -98.7 | Preferred for body text |
| Black text on #642D05 | 1.91:1 | Fails | Lc 9.1 | Not readable |
| #642D05 text on white | 10.94:1 | AAA | Lc 94.8 | Preferred for body text |
| #642D05 text on black | 1.91:1 | Fails | Lc -7.8 | 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
#EFD2C3
oklch(88.4% 0.038 49.1)
-
Step 300
300
#E6B499
oklch(80.8% 0.069 49.7)
-
Step 400
400
#D88B5F
oklch(70.7% 0.111 49.9)
-
Step 500
500
#CC6C2E
oklch(63.2% 0.142 50)
-
Step 600
600
#B45300
oklch(55.5% 0.147 50)
-
Step 700
700
#984500
oklch(49% 0.13 50)
-
Step 800
800
#7E3800
oklch(42.8% 0.113 50)
-
Step 900
900 (this color)
#642D05
oklch(36.7% 0.093 50)
-
Step 950
950
#3D1D08
oklch(27.1% 0.059 50.9)
#642D05 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) | #3D3500 | 0.082 |
| Deuteranopia (no green cones) | #4A4104 | 0.073 |
| Tritanopia (no blue cones) | #6F2026 | 0.055 |
| Achromatopsia (no color) | #3D3D3D | 0.093 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #642D05
#642D05
oklch(36.7% 0.093 50)
- #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 #642D05, 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 0.066
- Purple Brown #673A3F ΔE 0.068
- Blood #770001 ΔE 0.069
- Maroon #800000 ΔE 0.076
- Claret #680018 ΔE 0.081
- Rust Brown #8B3103 ΔE 0.084
Use #642D05 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.