#641F00
Closest named color: Reddy Brown (#6E1005). oklch(34.4% 0.107 40.6), rgb(100, 31, 0).
Aa
White text reads best on this color (12.08:1).
About this color
#641F00 is a dark, moderately saturated brown. In OKLCH its lightness is 34%, its chroma 0.107 and its hue 41°. Its hue sits on the warm side of the wheel. The nearest named color is Reddy Brown (#6E1005), ΔE 0.030 away. White text reads best on it, at 12.08:1.
| Hue family | Browns |
| Lightness | dark (34%) |
| Chroma | moderately saturated (0.107) |
| Temperature | warm |
| Nearest name | Reddy Brown (#6E1005) |
| Black text | 1.73:1 |
| White text | 12.08:1 |
Values
| HEX | #641F00 |
| RGB | rgb(100, 31, 0) |
| HSL | hsl(19, 100%, 20%) |
| OKLCH | oklch(34.4% 0.107 40.6) |
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 #641F00 | 12.08:1 | AAA | Lc -100.4 | Preferred for body text |
| Black text on #641F00 | 1.73:1 | Fails | Lc 0.0 | Not readable |
| #641F00 text on white | 12.08:1 | AAA | Lc 96.7 | Preferred for body text |
| #641F00 text on black | 1.73:1 | 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
#FCF3F0
oklch(97% 0.011 39.4)
-
Step 100
100
#F8E5DE
oklch(93.5% 0.023 41.4)
-
Step 200
200
#F4D0C3
oklch(88.5% 0.044 40.9)
-
Step 300
300
#EEB099
oklch(80.9% 0.08 41.2)
-
Step 400
400
#E38360
oklch(70.7% 0.128 40.6)
-
Step 500
500
#D86030
oklch(63.1% 0.163 40.8)
-
Step 600
600
#C24400
oklch(55.7% 0.173 40.6)
-
Step 700
700
#A43800
oklch(49.1% 0.153 40.5)
-
Step 800
800
#872D00
oklch(42.7% 0.132 40.7)
-
Step 900
900 (this color)
#641F00
oklch(34.4% 0.107 40.6)
-
Step 950
950
#411909
oklch(27.1% 0.067 41.1)
#641F00 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) | #342C00 | 0.104 |
| Deuteranopia (no green cones) | #443C00 | 0.095 |
| Tritanopia (no blue cones) | #6F091A | 0.049 |
| Achromatopsia (no color) | #363636 | 0.107 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #641F00
#641F00
oklch(34.4% 0.107 40.6)
- #004050
#004050
oklch(34.4% 0.063 221.2)
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 #641F00, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Reddy Brown #6E1005 ΔE 0.030
- Chestnut #742802 ΔE 0.043
- Blood #770001 ΔE 0.049
- Claret #680018 ΔE 0.054
- Maroon #800000 ΔE 0.063
- Wine Red #7B0323 ΔE 0.071
- Burgundy #610023 ΔE 0.071
- Bordeaux #7B002C ΔE 0.082
Use #641F00 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.