#63392B
Closest named color: Purple Brown (#673A3F). oklch(39.2% 0.064 39.2), rgb(99, 57, 43).
Aa
White text reads best on this color (9.76:1).
About this color
#63392B is a dark, muted red. In OKLCH its lightness is 39%, its chroma 0.064 and its hue 39°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.032 away. White text reads best on it, at 9.76:1.
| Hue family | Reds |
| Lightness | dark (39%) |
| Chroma | muted (0.064) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.15:1 |
| White text | 9.76:1 |
Values
| HEX | #63392B |
| RGB | rgb(99, 57, 43) |
| HSL | hsl(15, 39%, 28%) |
| OKLCH | oklch(39.2% 0.064 39.2) |
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 #63392B | 9.76:1 | AAA | Lc -96.6 | Preferred for body text |
| Black text on #63392B | 2.15:1 | Fails | Lc 11.5 | Not readable |
| #63392B text on white | 9.76:1 | AAA | Lc 92.4 | Preferred for body text |
| #63392B text on black | 2.15:1 | Fails | Lc -10.0 | 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
#EAD4CC
oklch(88.6% 0.027 41.1)
-
Step 300
300
#DDB7AA
oklch(80.9% 0.048 39.8)
-
Step 400
400
#CB907D
oklch(70.6% 0.077 38.6)
-
Step 500
500
#BC745C
oklch(63.1% 0.098 39.2)
-
Step 600
600
#A85B42
oklch(55.6% 0.108 38.7)
-
Step 700
700
#904B33
oklch(49.2% 0.1 39.7)
-
Step 800
800
#753E2B
oklch(42.8% 0.083 39.6)
-
Step 900
900 (this color)
#63392B
oklch(39.2% 0.064 39.2)
-
Step 950
950
#371F17
oklch(26.9% 0.04 39.2)
#63392B 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) | #443E2A | 0.060 |
| Deuteranopia (no green cones) | #4E472B | 0.055 |
| Tritanopia (no blue cones) | #6C3235 | 0.032 |
| Achromatopsia (no color) | #444444 | 0.065 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63392B
#63392B
oklch(39.2% 0.064 39.2)
- #104E5D
#104E5D
oklch(39.4% 0.064 218.3)
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 #63392B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.032
- Chestnut #742802 ΔE 0.052
- Mud Brown #60460F ΔE 0.056
- Brownish Purple #76424E ΔE 0.067
- Charcoal Grey #3C4142 ΔE 0.074
- Reddy Brown #6E1005 ΔE 0.079
- Red Brown #8B2E16 ΔE 0.080
- Rust Brown #8B3103 ΔE 0.082
Use #63392B 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.