#642D34
Closest named color: Purple Brown (#673A3F). oklch(37.4% 0.08 13.8), rgb(100, 45, 52).
Aa
White text reads best on this color (10.67:1).
About this color
#642D34 is a dark, moderately saturated red. In OKLCH its lightness is 37%, its chroma 0.080 and its hue 14°. 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 10.67:1.
| Hue family | Reds |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.080) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 1.96:1 |
| White text | 10.67:1 |
Values
| HEX | #642D34 |
| RGB | rgb(100, 45, 52) |
| HSL | hsl(352, 38%, 28%) |
| OKLCH | oklch(37.4% 0.08 13.8) |
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 #642D34 | 10.67:1 | AAA | Lc -98.4 | Preferred for body text |
| Black text on #642D34 | 1.96:1 | Fails | Lc 9.5 | Not readable |
| #642D34 text on white | 10.67:1 | AAA | Lc 94.4 | Preferred for body text |
| #642D34 text on black | 1.96:1 | Fails | Lc -8.2 | 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
#FBF3F4
oklch(97.1% 0.009 8.5)
-
Step 100
100
#F5E5E6
oklch(93.5% 0.018 13.1)
-
Step 200
200
#EED1D2
oklch(88.5% 0.033 15.4)
-
Step 300
300
#E4B1B5
oklch(80.8% 0.06 13.2)
-
Step 400
400
#D5888F
oklch(70.8% 0.095 13.8)
-
Step 500
500
#C86873
oklch(63.2% 0.122 14)
-
Step 600
600
#B34D5C
oklch(55.6% 0.133 13.5)
-
Step 700
700
#9A3E4B
oklch(49.2% 0.123 14.2)
-
Step 800
800
#7D343E
oklch(42.8% 0.102 14)
-
Step 900
900 (this color)
#642D34
oklch(37.4% 0.08 13.8)
-
Step 950
950
#3B1B1F
oklch(26.9% 0.05 13.1)
#642D34 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) | #383734 | 0.087 |
| Deuteranopia (no green cones) | #464233 | 0.080 |
| Tritanopia (no blue cones) | #6D2630 | 0.022 |
| Achromatopsia (no color) | #3E3E3E | 0.080 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #642D34
#642D34
oklch(37.4% 0.08 13.8)
- #004B4B
#004B4B
oklch(37.4% 0.064 194.8)
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 #642D34, 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 0.060
- Reddy Brown #6E1005 ΔE 0.063
- Wine Red #7B0323 ΔE 0.067
- Bordeaux #7B002C ΔE 0.069
- Claret #680018 ΔE 0.070
- Merlot #730039 ΔE 0.072
- Brownish Purple #76424E ΔE 0.072
Use #642D34 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.