#64473E
Closest named color: Purple Brown (#673A3F). oklch(42.7% 0.043 38), rgb(100, 71, 62).
Aa
White text reads best on this color (8.35:1).
About this color
#64473E is a dark, muted red. In OKLCH its lightness is 43%, its chroma 0.043 and its hue 38°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.038 away. White text reads best on it, at 8.35:1.
| Hue family | Reds |
| Lightness | dark (43%) |
| Chroma | muted (0.043) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.51:1 |
| White text | 8.35:1 |
Values
| HEX | #64473E |
| RGB | rgb(100, 71, 62) |
| HSL | hsl(14, 23%, 32%) |
| OKLCH | oklch(42.7% 0.043 38) |
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 #64473E | 8.35:1 | AAA | Lc -93.4 | Preferred for body text |
| Black text on #64473E | 2.51:1 | Fails | Lc 15.2 | Dividers and decoration only |
| #64473E text on white | 8.35:1 | AAA | Lc 88.8 | Fine for body text |
| #64473E text on black | 2.51:1 | Fails | Lc -13.4 | 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
#EEE8E6
oklch(93.5% 0.007 39.5)
-
Step 200
200
#E2D6D3
oklch(88.5% 0.014 34.3)
-
Step 300
300
#D0BBB5
oklch(80.8% 0.026 36.5)
-
Step 400
400
#B8998F
oklch(70.8% 0.04 38.7)
-
Step 500
500
#A67F73
oklch(63.1% 0.052 37.8)
-
Step 600
600
#90685C
oklch(55.5% 0.055 37.4)
-
Step 700
700
#7B574B
oklch(49.2% 0.052 39.2)
-
Step 800
800 (this color)
#64473E
oklch(42.7% 0.043 38)
-
Step 900
900
#523C35
oklch(37.8% 0.033 38.4)
-
Step 950
950
#30231F
oklch(27% 0.021 37.8)
#64473E 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) | #4E4A3D | 0.040 |
| Deuteranopia (no green cones) | #55503E | 0.036 |
| Tritanopia (no blue cones) | #6B4345 | 0.022 |
| Achromatopsia (no color) | #4E4E4E | 0.043 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #64473E
#64473E
oklch(42.7% 0.043 38)
- #33555F
#33555F
oklch(42.8% 0.043 218.5)
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 #64473E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.038
- Brownish Purple #76424E ΔE 0.047
- Mud Brown #60460F ΔE 0.057
- Milk Chocolate #7F4E1E ΔE 0.070
- Charcoal Grey #3C4142 ΔE 0.075
- Medium Brown #7F5112 ΔE 0.080
- Olive Brown #645403 ΔE 0.080
- Green Brown #544E03 ΔE 0.080
Use #64473E 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.