#64463F
Closest named color: Purple Brown (#673A3F). oklch(42.5% 0.043 33.6), rgb(100, 70, 63).
Aa
White text reads best on this color (8.43:1).
About this color
#64463F is a dark, muted red. In OKLCH its lightness is 43%, its chroma 0.043 and its hue 34°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.034 away. White text reads best on it, at 8.43:1.
| Hue family | Reds |
| Lightness | dark (43%) |
| Chroma | muted (0.043) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.48:1 |
| White text | 8.43:1 |
Values
| HEX | #64463F |
| RGB | rgb(100, 70, 63) |
| HSL | hsl(11, 23%, 32%) |
| OKLCH | oklch(42.5% 0.043 33.6) |
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 #64463F | 8.43:1 | AAA | Lc -93.6 | Preferred for body text |
| Black text on #64463F | 2.48:1 | Fails | Lc 15.0 | Not readable |
| #64463F text on white | 8.43:1 | AAA | Lc 89.0 | Fine for body text |
| #64463F text on black | 2.48:1 | Fails | Lc -13.2 | 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
#F8F5F4
oklch(97.2% 0.003 39.5)
-
Step 100
100
#EFE8E7
oklch(93.6% 0.008 27.2)
-
Step 200
200
#E2D6D3
oklch(88.5% 0.014 34.3)
-
Step 300
300
#D0BBB6
oklch(80.8% 0.025 33.6)
-
Step 400
400
#B89890
oklch(70.6% 0.04 34.4)
-
Step 500
500
#A67F75
oklch(63.1% 0.051 34.8)
-
Step 600
600
#91685E
oklch(55.7% 0.055 34.2)
-
Step 700
700
#7C564D
oklch(49.1% 0.053 33.8)
-
Step 800
800 (this color)
#64463F
oklch(42.5% 0.043 33.6)
-
Step 900
900
#523B36
oklch(37.7% 0.034 32.5)
-
Step 950
950
#302320
oklch(27.1% 0.021 33.3)
#64463F 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) | #4D4A3E | 0.042 |
| Deuteranopia (no green cones) | #54503F | 0.039 |
| Tritanopia (no blue cones) | #6B4244 | 0.020 |
| Achromatopsia (no color) | #4D4D4D | 0.044 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #64463F
#64463F
oklch(42.5% 0.043 33.6)
- #31555D
#31555D
oklch(42.6% 0.043 213.5)
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 #64463F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.034
- Brownish Purple #76424E ΔE 0.045
- Mud Brown #60460F ΔE 0.059
- Milk Chocolate #7F4E1E ΔE 0.072
- Charcoal Grey #3C4142 ΔE 0.074
- Chestnut #742802 ΔE 0.083
- Medium Brown #7F5112 ΔE 0.083
- Dark Slate Gray #2F4F4F ΔE 0.083
Use #64463F 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.