#64474B
Closest named color: Purple Brown (#673A3F). oklch(43.1% 0.04 9.7), rgb(100, 71, 75).
Aa
White text reads best on this color (8.25:1).
About this color
#64474B is a dark, muted red. In OKLCH its lightness is 43%, its chroma 0.040 and its hue 10°. 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 8.25:1.
| Hue family | Reds |
| Lightness | dark (43%) |
| Chroma | muted (0.040) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.54:1 |
| White text | 8.25:1 |
Values
| HEX | #64474B |
| RGB | rgb(100, 71, 75) |
| HSL | hsl(352, 17%, 34%) |
| OKLCH | oklch(43.1% 0.04 9.7) |
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 #64474B | 8.25:1 | AAA | Lc -93.1 | Preferred for body text |
| Black text on #64474B | 2.54:1 | Fails | Lc 15.5 | Dividers and decoration only |
| #64474B text on white | 8.25:1 | AAA | Lc 88.5 | Fine for body text |
| #64474B 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
#CFBBBD
oklch(80.9% 0.023 10.7)
-
Step 400
400
#B7979B
oklch(70.7% 0.039 9.6)
-
Step 500
500
#A47E83
oklch(63.1% 0.048 9.7)
-
Step 600
600
#8F676C
oklch(55.6% 0.052 10.6)
-
Step 700
700
#7A555A
oklch(49.1% 0.05 10.1)
-
Step 800
800 (this color)
#64474B
oklch(43.1% 0.04 9.7)
-
Step 900
900
#513B3E
oklch(37.8% 0.031 9.6)
-
Step 950
950
#2F2324
oklch(27.1% 0.018 12.8)
#64474B 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) | #4C4B4B | 0.042 |
| Deuteranopia (no green cones) | #52514A | 0.042 |
| Tritanopia (no blue cones) | #694548 | 0.010 |
| Achromatopsia (no color) | #4F4F4F | 0.040 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #64474B
#64474B
oklch(43.1% 0.04 9.7)
- #355755
#355755
oklch(43% 0.04 191)
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 #64474B, 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 0.072
- Charcoal Grey #3C4142 ΔE 0.076
- Dark Mauve #874C62 ΔE 0.077
- Mud Brown #60460F ΔE 0.077
- Dark Slate Gray #2F4F4F ΔE 0.083
- Milk Chocolate #7F4E1E ΔE 0.083
Use #64474B 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.