#642911
Closest named color: Chestnut (#742802). oklch(36.1% 0.092 41.1), rgb(100, 41, 17).
Aa
White text reads best on this color (11.24:1).
About this color
#642911 is a dark, moderately saturated brown. In OKLCH its lightness is 36%, its chroma 0.092 and its hue 41°. 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 11.24:1.
| Hue family | Browns |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.092) |
| Temperature | warm |
| Nearest name | Chestnut (#742802) |
| Black text | 1.86:1 |
| White text | 11.24:1 |
Values
| HEX | #642911 |
| RGB | rgb(100, 41, 17) |
| HSL | hsl(17, 71%, 23%) |
| OKLCH | oklch(36.1% 0.092 41.1) |
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 #642911 | 11.24:1 | AAA | Lc -99.3 | Preferred for body text |
| Black text on #642911 | 1.86:1 | Fails | Lc 8.5 | Not readable |
| #642911 text on white | 11.24:1 | AAA | Lc 95.4 | Preferred for body text |
| #642911 text on black | 1.86:1 | 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
#FBF4F1
oklch(97.2% 0.009 44.9)
-
Step 100
100
#F6E6E0
oklch(93.6% 0.019 41.8)
-
Step 200
200
#F1D1C6
oklch(88.5% 0.039 39.9)
-
Step 300
300
#E8B29E
oklch(80.8% 0.069 41.3)
-
Step 400
400
#DB8869
oklch(70.7% 0.111 41.2)
-
Step 500
500
#CF6840
oklch(63.2% 0.141 41.2)
-
Step 600
600
#BA4C1C
oklch(55.5% 0.154 41.2)
-
Step 700
700
#A03C0D
oklch(49% 0.143 41.1)
-
Step 800
800
#823310
oklch(42.7% 0.118 41.4)
-
Step 900
900 (this color)
#642911
oklch(36.1% 0.092 41.1)
-
Step 950
950
#3E1B0E
oklch(27% 0.059 40.5)
#642911 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) | #39330E | 0.090 |
| Deuteranopia (no green cones) | #48400F | 0.082 |
| Tritanopia (no blue cones) | #6E1C24 | 0.044 |
| Achromatopsia (no color) | #3B3B3B | 0.093 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #642911
#642911
oklch(36.1% 0.092 41.1)
- #004556
#004556
oklch(36.2% 0.066 221.1)
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 #642911, 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 0.043
- Blood #770001 ΔE 0.060
- Purple Brown #673A3F ΔE 0.065
- Claret #680018 ΔE 0.067
- Maroon #800000 ΔE 0.069
- Wine Red #7B0323 ΔE 0.074
- Mud Brown #60460F ΔE 0.079
Use #642911 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.