#64400C
Closest named color: Mud Brown (#60460F). oklch(40.4% 0.081 70.3), rgb(100, 64, 12).
Aa
White text reads best on this color (9.20:1).
About this color
#64400C is a dark, moderately saturated brown. In OKLCH its lightness is 40%, its chroma 0.081 and its hue 70°. Its hue sits on the warm side of the wheel. The nearest named color is Mud Brown (#60460F), ΔE 0.018 away. White text reads best on it, at 9.20:1.
| Hue family | Browns |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.081) |
| Temperature | warm |
| Nearest name | Mud Brown (#60460F) |
| Black text | 2.28:1 |
| White text | 9.20:1 |
Values
| HEX | #64400C |
| RGB | rgb(100, 64, 12) |
| HSL | hsl(35, 79%, 22%) |
| OKLCH | oklch(40.4% 0.081 70.3) |
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 #64400C | 9.20:1 | AAA | Lc -95.4 | Preferred for body text |
| Black text on #64400C | 2.28:1 | Fails | Lc 13.0 | Not readable |
| #64400C text on white | 9.20:1 | AAA | Lc 91.0 | Preferred for body text |
| #64400C text on black | 2.28:1 | Fails | Lc -11.3 | 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 800.
-
Step 50
50
#F8F5F1
oklch(97.1% 0.006 75.4)
-
Step 100
100
#F0E8E0
oklch(93.5% 0.014 67.7)
-
Step 200
200
#E5D7C7
oklch(88.6% 0.027 71.2)
-
Step 300
300
#D5BCA0
oklch(80.9% 0.048 70.2)
-
Step 400
400
#BF996C
oklch(70.7% 0.076 70.8)
-
Step 500
500
#AF7F44
oklch(63.2% 0.097 70.2)
-
Step 600
600
#9A6722
oklch(55.6% 0.105 70)
-
Step 700
700
#835614
oklch(49.2% 0.097 70.9)
-
Step 800
800 (this color)
#64400C
oklch(40.4% 0.081 70.3)
-
Step 900
900
#573B18
oklch(37.7% 0.063 69.7)
-
Step 950
950
#33230F
oklch(27.1% 0.04 70.8)
#64400C 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) | #4C4203 | 0.047 |
| Deuteranopia (no green cones) | #554B0E | 0.041 |
| Tritanopia (no blue cones) | #6E3736 | 0.065 |
| Achromatopsia (no color) | #484848 | 0.081 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #64400C
#64400C
oklch(40.4% 0.081 70.3)
- #234B73
#234B73
oklch(40.4% 0.081 250.5)
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 #64400C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mud Brown #60460F ΔE 0.018
- Green Brown #544E03 ΔE 0.051
- Olive Brown #645403 ΔE 0.060
- Chestnut #742802 ΔE 0.062
- Milk Chocolate #7F4E1E ΔE 0.069
- Purple Brown #673A3F ΔE 0.071
- Medium Brown #7F5112 ΔE 0.074
- Saddle Brown #8B4513 ΔE 0.080
Use #64400C 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.