#64424A
Closest named color: Purple Brown (#673A3F). oklch(42% 0.048 3.9), rgb(100, 66, 74).
Aa
White text reads best on this color (8.67:1).
About this color
#64424A is a dark, muted red. In OKLCH its lightness is 42%, its chroma 0.048 and its hue 4°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.023 away. White text reads best on it, at 8.67:1.
| Hue family | Reds |
| Lightness | dark (42%) |
| Chroma | muted (0.048) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.42:1 |
| White text | 8.67:1 |
Values
| HEX | #64424A |
| RGB | rgb(100, 66, 74) |
| HSL | hsl(346, 20%, 33%) |
| OKLCH | oklch(42% 0.048 3.9) |
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 #64424A | 8.67:1 | AAA | Lc -94.2 | Preferred for body text |
| Black text on #64424A | 2.42:1 | Fails | Lc 14.3 | Not readable |
| #64424A text on white | 8.67:1 | AAA | Lc 89.7 | Fine for body text |
| #64424A text on black | 2.42:1 | Fails | Lc -12.6 | 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
#F8F4F5
oklch(97.1% 0.004 360)
-
Step 100
100
#EFE8E9
oklch(93.7% 0.008 7.3)
-
Step 200
200
#E3D5D8
oklch(88.5% 0.016 2.7)
-
Step 300
300
#D2B9BE
oklch(80.8% 0.029 4.1)
-
Step 400
400
#BA959D
oklch(70.6% 0.046 3.8)
-
Step 500
500
#A87B85
oklch(63% 0.058 4.1)
-
Step 600
600
#93646F
oklch(55.6% 0.062 3.9)
-
Step 700
700
#7D535D
oklch(49.1% 0.058 3.8)
-
Step 800
800 (this color)
#64424A
oklch(42% 0.048 3.9)
-
Step 900
900
#53393F
oklch(37.6% 0.038 3.8)
-
Step 950
950
#312225
oklch(27.1% 0.024 5.5)
#64424A 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) | #47484A | 0.053 |
| Deuteranopia (no green cones) | #4F4E49 | 0.050 |
| Tritanopia (no blue cones) | #6A4045 | 0.013 |
| Achromatopsia (no color) | #4B4B4B | 0.049 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #64424A
#64424A
oklch(42% 0.048 3.9)
- #2C5650
#2C5650
oklch(42.1% 0.048 183.7)
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 #64424A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.023
- Brownish Purple #76424E ΔE 0.035
- Charcoal Grey #3C4142 ΔE 0.074
- Dusty Grape #545775 ΔE 0.080
- Dark Mauve #874C62 ΔE 0.081
- Mud Brown #60460F ΔE 0.082
- Dark Slate Gray #2F4F4F ΔE 0.087
- Chestnut #742802 ΔE 0.089
Use #64424A 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.