#642704
Closest named color: Chestnut (#742802). oklch(35.6% 0.098 44.9), rgb(100, 39, 4).
Aa
White text reads best on this color (11.45:1).
About this color
#642704 is a dark, moderately saturated brown. In OKLCH its lightness is 36%, its chroma 0.098 and its hue 45°. Its hue sits on the warm side of the wheel. The nearest named color is Chestnut (#742802), ΔE 0.035 away. White text reads best on it, at 11.45:1.
| Hue family | Browns |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.098) |
| Temperature | warm |
| Nearest name | Chestnut (#742802) |
| Black text | 1.83:1 |
| White text | 11.45:1 |
Values
| HEX | #642704 |
| RGB | rgb(100, 39, 4) |
| HSL | hsl(22, 92%, 20%) |
| OKLCH | oklch(35.6% 0.098 44.9) |
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 #642704 | 11.45:1 | AAA | Lc -99.5 | Preferred for body text |
| Black text on #642704 | 1.83:1 | Fails | Lc 8.2 | Not readable |
| #642704 text on white | 11.45:1 | AAA | Lc 95.7 | Preferred for body text |
| #642704 text on black | 1.83:1 | Fails | Lc 0.0 | 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
#FCF4F0
oklch(97.2% 0.01 48.6)
-
Step 100
100
#F7E6DE
oklch(93.6% 0.022 47)
-
Step 200
200
#F1D1C3
oklch(88.4% 0.041 45)
-
Step 300
300
#EAB29A
oklch(80.9% 0.074 44.3)
-
Step 400
400
#DD8861
oklch(70.8% 0.117 45)
-
Step 500
500
#D16731
oklch(63.1% 0.15 45.2)
-
Step 600
600
#BB4C00
oklch(55.6% 0.159 44.9)
-
Step 700
700
#9E3F00
oklch(49.1% 0.14 44.9)
-
Step 800
800
#833300
oklch(42.8% 0.122 45)
-
Step 900
900 (this color)
#642704
oklch(35.6% 0.098 44.9)
-
Step 950
950
#3F1B09
oklch(27.1% 0.063 45.1)
#642704 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) | #393100 | 0.092 |
| Deuteranopia (no green cones) | #483F02 | 0.083 |
| Tritanopia (no blue cones) | #6F1821 | 0.051 |
| Achromatopsia (no color) | #3A3A3A | 0.098 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #642704
#642704
oklch(35.6% 0.098 44.9)
- #004357
#004357
oklch(35.6% 0.068 225.6)
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 #642704, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chestnut #742802 ΔE 0.035
- Reddy Brown #6E1005 ΔE 0.042
- Blood #770001 ΔE 0.059
- Claret #680018 ΔE 0.068
- Maroon #800000 ΔE 0.069
- Purple Brown #673A3F ΔE 0.074
- Wine Red #7B0323 ΔE 0.077
- Mud Brown #60460F ΔE 0.081
Use #642704 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.