#64392D
Closest named color: Purple Brown (#673A3F). oklch(39.4% 0.065 36.4), rgb(100, 57, 45).
Aa
White text reads best on this color (9.69:1).
About this color
#64392D is a dark, muted red. In OKLCH its lightness is 39%, its chroma 0.065 and its hue 36°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.028 away. White text reads best on it, at 9.69:1.
| Hue family | Reds |
| Lightness | dark (39%) |
| Chroma | muted (0.065) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.16:1 |
| White text | 9.69:1 |
Values
| HEX | #64392D |
| RGB | rgb(100, 57, 45) |
| HSL | hsl(13, 38%, 28%) |
| OKLCH | oklch(39.4% 0.065 36.4) |
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 #64392D | 9.69:1 | AAA | Lc -96.5 | Preferred for body text |
| Black text on #64392D | 2.16:1 | Fails | Lc 11.7 | Not readable |
| #64392D text on white | 9.69:1 | AAA | Lc 92.3 | Preferred for body text |
| #64392D text on black | 2.16:1 | Fails | Lc -10.1 | 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 900.
-
Step 50
50
#FAF4F2
oklch(97.1% 0.007 39.5)
-
Step 100
100
#F3E7E3
oklch(93.6% 0.014 39.4)
-
Step 200
200
#EAD3CD
oklch(88.4% 0.027 35)
-
Step 300
300
#DEB6AB
oklch(80.9% 0.049 35.9)
-
Step 400
400
#CC907F
oklch(70.8% 0.078 36.5)
-
Step 500
500
#BD735E
oklch(63.1% 0.099 36.6)
-
Step 600
600
#A85A45
oklch(55.5% 0.108 36)
-
Step 700
700
#904A36
oklch(49.1% 0.1 36.8)
-
Step 800
800
#753D2D
oklch(42.7% 0.083 36.8)
-
Step 900
900 (this color)
#64392D
oklch(39.4% 0.065 36.4)
-
Step 950
950
#381F18
oklch(27% 0.041 36.4)
#64392D 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) | #443F2C | 0.062 |
| Deuteranopia (no green cones) | #4E482C | 0.058 |
| Tritanopia (no blue cones) | #6D3236 | 0.031 |
| Achromatopsia (no color) | #444444 | 0.065 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #64392D
#64392D
oklch(39.4% 0.065 36.4)
- #0E4F5C
#0E4F5C
oklch(39.5% 0.064 214.9)
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 #64392D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.028
- Chestnut #742802 ΔE 0.052
- Mud Brown #60460F ΔE 0.058
- Brownish Purple #76424E ΔE 0.063
- Charcoal Grey #3C4142 ΔE 0.075
- Red Brown #8B2E16 ΔE 0.079
- Reddy Brown #6E1005 ΔE 0.079
- Rust Brown #8B3103 ΔE 0.081
Use #64392D 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.