#642A2C
Closest named color: Purple Brown (#673A3F). oklch(36.7% 0.084 20), rgb(100, 42, 44).
Aa
White text reads best on this color (10.99:1).
About this color
#642A2C is a dark, moderately saturated red. In OKLCH its lightness is 37%, its chroma 0.084 and its hue 20°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.044 away. White text reads best on it, at 10.99:1.
| Hue family | Reds |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.084) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 1.90:1 |
| White text | 10.99:1 |
Values
| HEX | #642A2C |
| RGB | rgb(100, 42, 44) |
| HSL | hsl(358, 41%, 28%) |
| OKLCH | oklch(36.7% 0.084 20) |
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 #642A2C | 10.99:1 | AAA | Lc -98.9 | Preferred for body text |
| Black text on #642A2C | 1.90:1 | Fails | Lc 8.9 | Not readable |
| #642A2C text on white | 10.99:1 | AAA | Lc 95.0 | Preferred for body text |
| #642A2C text on black | 1.90:1 | Fails | Lc -7.6 | 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 900.
-
Step 50
50
#FBF3F3
oklch(97% 0.009 17.3)
-
Step 100
100
#F6E5E5
oklch(93.5% 0.019 17.5)
-
Step 200
200
#F0D1D0
oklch(88.6% 0.035 20)
-
Step 300
300
#E7B1B0
oklch(80.9% 0.063 19.8)
-
Step 400
400
#D88786
oklch(70.7% 0.1 20.6)
-
Step 500
500
#CC6668
oklch(63.1% 0.13 20.2)
-
Step 600
600
#B74B50
oklch(55.6% 0.14 20.1)
-
Step 700
700
#9D3B41
oklch(49% 0.131 19.7)
-
Step 800
800
#803236
oklch(42.8% 0.108 19.8)
-
Step 900
900 (this color)
#642A2C
oklch(36.7% 0.084 20)
-
Step 950
950
#3D1B1B
oklch(27.1% 0.053 21.2)
#642A2C 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) | #37352C | 0.091 |
| Deuteranopia (no green cones) | #46412B | 0.084 |
| Tritanopia (no blue cones) | #6D212B | 0.024 |
| Achromatopsia (no color) | #3C3C3C | 0.085 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #642A2C
#642A2C
oklch(36.7% 0.084 20)
- #00494C
#00494C
oklch(36.8% 0.063 199.5)
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 #642A2C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.044
- Chestnut #742802 ΔE 0.052
- Reddy Brown #6E1005 ΔE 0.052
- Claret #680018 ΔE 0.062
- Wine Red #7B0323 ΔE 0.063
- Blood #770001 ΔE 0.066
- Bordeaux #7B002C ΔE 0.067
- Burgundy #610023 ΔE 0.069
Use #642A2C 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.