#64402C
Closest named color: Purple Brown (#673A3F). oklch(40.8% 0.059 49.5), rgb(100, 64, 44).
Aa
White text reads best on this color (9.08:1).
About this color
#64402C is a dark, muted brown. In OKLCH its lightness is 41%, its chroma 0.059 and its hue 50°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.039 away. White text reads best on it, at 9.08:1.
| Hue family | Browns |
| Lightness | dark (41%) |
| Chroma | muted (0.059) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.31:1 |
| White text | 9.08:1 |
Values
| HEX | #64402C |
| RGB | rgb(100, 64, 44) |
| HSL | hsl(21, 39%, 28%) |
| OKLCH | oklch(40.8% 0.059 49.5) |
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 #64402C | 9.08:1 | AAA | Lc -95.1 | Preferred for body text |
| Black text on #64402C | 2.31:1 | Fails | Lc 13.2 | Not readable |
| #64402C text on white | 9.08:1 | AAA | Lc 90.8 | Preferred for body text |
| #64402C text on black | 2.31:1 | Fails | Lc -11.6 | 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
#F8F5F3
oklch(97.2% 0.004 56.4)
-
Step 100
100
#F0E8E4
oklch(93.6% 0.01 48.6)
-
Step 200
200
#E4D6CE
oklch(88.5% 0.019 51.9)
-
Step 300
300
#D4BBAD
oklch(81% 0.035 51.2)
-
Step 400
400
#BE9782
oklch(70.7% 0.056 49.7)
-
Step 500
500
#AD7D63
oklch(63.1% 0.071 49.5)
-
Step 600
600
#98664A
oklch(55.7% 0.077 49.9)
-
Step 700
700
#82543B
oklch(49.1% 0.072 49)
-
Step 800
800 (this color)
#64402C
oklch(40.8% 0.059 49.5)
-
Step 900
900
#563A2B
oklch(37.7% 0.047 49)
-
Step 950
950
#32221A
oklch(26.9% 0.029 47.6)
#64402C 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) | #4A442A | 0.049 |
| Deuteranopia (no green cones) | #524C2C | 0.047 |
| Tritanopia (no blue cones) | #6D393B | 0.038 |
| Achromatopsia (no color) | #484848 | 0.060 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #64402C
#64402C
oklch(40.8% 0.059 49.5)
- #235064
#235064
oklch(40.9% 0.059 229.7)
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 #64402C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.039
- Mud Brown #60460F ΔE 0.041
- Chestnut #742802 ΔE 0.061
- Brownish Purple #76424E ΔE 0.063
- Milk Chocolate #7F4E1E ΔE 0.072
- Green Brown #544E03 ΔE 0.072
- Charcoal Grey #3C4142 ΔE 0.076
- Olive Brown #645403 ΔE 0.077
Use #64402C 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.