#64474C
Closest named color: Purple Brown (#673A3F). oklch(43.1% 0.04 7.5), rgb(100, 71, 76).
Aa
White text reads best on this color (8.24:1).
About this color
#64474C is a dark, muted red. In OKLCH its lightness is 43%, its chroma 0.040 and its hue 7°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.035 away. White text reads best on it, at 8.24:1.
| Hue family | Reds |
| Lightness | dark (43%) |
| Chroma | muted (0.040) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.54:1 |
| White text | 8.24:1 |
Values
| HEX | #64474C |
| RGB | rgb(100, 71, 76) |
| HSL | hsl(350, 17%, 34%) |
| OKLCH | oklch(43.1% 0.04 7.5) |
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 #64474C | 8.24:1 | AAA | Lc -93.1 | Preferred for body text |
| Black text on #64474C | 2.54:1 | Fails | Lc 15.6 | Dividers and decoration only |
| #64474C text on white | 8.24:1 | AAA | Lc 88.4 | Fine for body text |
| #64474C text on black | 2.54:1 | Fails | Lc -13.7 | 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
#F7F5F5
oklch(97.2% 0.002 17.2)
-
Step 100
100
#EEE8E9
oklch(93.6% 0.007 5.6)
-
Step 200
200
#E1D6D7
oklch(88.5% 0.012 11)
-
Step 300
300
#CFBBBE
oklch(81% 0.023 7.3)
-
Step 400
400
#B6979C
oklch(70.6% 0.038 7.2)
-
Step 500
500
#A47E84
oklch(63.2% 0.048 8)
-
Step 600
600
#8F676E
oklch(55.7% 0.052 7.3)
-
Step 700
700
#79555C
oklch(49% 0.049 6.2)
-
Step 800
800 (this color)
#64474C
oklch(43.1% 0.04 7.5)
-
Step 900
900
#513B3E
oklch(37.8% 0.031 9.6)
-
Step 950
950
#2F2225
oklch(26.9% 0.021 3.2)
#64474C 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) | #4B4B4C | 0.044 |
| Deuteranopia (no green cones) | #52514B | 0.042 |
| Tritanopia (no blue cones) | #694549 | 0.010 |
| Achromatopsia (no color) | #4F4F4F | 0.041 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #64474C
#64474C
oklch(43.1% 0.04 7.5)
- #355754
#355754
oklch(43% 0.04 188.7)
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 #64474C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.035
- Brownish Purple #76424E ΔE 0.036
- Dusty Grape #545775 ΔE 0.071
- Charcoal Grey #3C4142 ΔE 0.076
- Dark Mauve #874C62 ΔE 0.076
- Mud Brown #60460F ΔE 0.079
- Dark Slate Gray #2F4F4F ΔE 0.083
- Milk Chocolate #7F4E1E ΔE 0.084
Use #64474C 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.