#643229
Closest named color: Purple Brown (#673A3F). oklch(38% 0.074 31.4), rgb(100, 50, 41).
Aa
White text reads best on this color (10.34:1).
About this color
#643229 is a dark, moderately saturated red. In OKLCH its lightness is 38%, its chroma 0.074 and its hue 31°. 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 10.34:1.
| Hue family | Reds |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.074) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.03:1 |
| White text | 10.34:1 |
Values
| HEX | #643229 |
| RGB | rgb(100, 50, 41) |
| HSL | hsl(9, 42%, 28%) |
| OKLCH | oklch(38% 0.074 31.4) |
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 #643229 | 10.34:1 | AAA | Lc -97.8 | Preferred for body text |
| Black text on #643229 | 2.03:1 | Fails | Lc 10.2 | Not readable |
| #643229 text on white | 10.34:1 | AAA | Lc 93.7 | Preferred for body text |
| #643229 text on black | 2.03:1 | Fails | Lc -8.8 | 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
#F4E6E3
oklch(93.5% 0.016 32)
-
Step 200
200
#EDD2CD
oklch(88.5% 0.031 30.2)
-
Step 300
300
#E2B4AB
oklch(80.9% 0.055 31.1)
-
Step 400
400
#D28C7E
oklch(70.7% 0.089 31.8)
-
Step 500
500
#C56E5E
oklch(63.2% 0.114 31.5)
-
Step 600
600
#B05444
oklch(55.7% 0.124 31.4)
-
Step 700
700
#974436
oklch(49.2% 0.115 31.3)
-
Step 800
800
#7B382D
oklch(42.7% 0.096 31)
-
Step 900
900 (this color)
#643229
oklch(38% 0.074 31.4)
-
Step 950
950
#3A1D18
oklch(26.9% 0.047 30.8)
#643229 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) | #3E3A28 | 0.075 |
| Deuteranopia (no green cones) | #4A4428 | 0.069 |
| Tritanopia (no blue cones) | #6D2A30 | 0.030 |
| Achromatopsia (no color) | #404040 | 0.075 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #643229
#643229
oklch(38% 0.074 31.4)
- #004B57
#004B57
oklch(37.9% 0.066 212.9)
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 #643229, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.035
- Chestnut #742802 ΔE 0.045
- Reddy Brown #6E1005 ΔE 0.063
- Mud Brown #60460F ΔE 0.071
- Brownish Purple #76424E ΔE 0.073
- Blood #770001 ΔE 0.076
- Wine Red #7B0323 ΔE 0.078
- Red Brown #8B2E16 ΔE 0.080
Use #643229 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.