#642043
Closest named color: Grape Purple (#5D1451). oklch(36% 0.106 351.8), rgb(100, 32, 67).
Aa
White text reads best on this color (11.47:1).
About this color
#642043 is a dark, moderately saturated red. In OKLCH its lightness is 36%, its chroma 0.106 and its hue 352°. Its hue sits on the warm side of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.043 away. White text reads best on it, at 11.47:1.
| Hue family | Reds |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.106) |
| Temperature | warm |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.82:1 |
| White text | 11.47:1 |
Values
| HEX | #642043 |
| RGB | rgb(100, 32, 67) |
| HSL | hsl(329, 52%, 26%) |
| OKLCH | oklch(36% 0.106 351.8) |
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 #642043 | 11.47:1 | AAA | Lc -99.6 | Preferred for body text |
| Black text on #642043 | 1.82:1 | Fails | Lc 8.1 | Not readable |
| #642043 text on white | 11.47:1 | AAA | Lc 95.8 | Preferred for body text |
| #642043 text on black | 1.82:1 | Fails | Lc 0.0 | 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
#FCF3F6
oklch(97.2% 0.01 354.9)
-
Step 100
100
#F7E4EB
oklch(93.6% 0.023 353.2)
-
Step 200
200
#F1CEDC
oklch(88.5% 0.043 352)
-
Step 300
300
#EAACC6
oklch(81% 0.08 352.1)
-
Step 400
400
#DC7EA9
oklch(70.7% 0.126 351.9)
-
Step 500
500
#D05994
oklch(63.1% 0.163 351.9)
-
Step 600
600
#BB3B7E
oklch(55.7% 0.176 352.1)
-
Step 700
700
#A02C6B
oklch(49.1% 0.163 351.5)
-
Step 800
800
#822657
oklch(42.6% 0.135 351.6)
-
Step 900
900 (this color)
#642043
oklch(36% 0.106 351.8)
-
Step 950
950
#3E172A
oklch(27.1% 0.066 352)
#642043 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) | #2A3244 | 0.117 |
| Deuteranopia (no green cones) | #3D3E41 | 0.105 |
| Tritanopia (no blue cones) | #6C1C2E | 0.038 |
| Achromatopsia (no color) | #393939 | 0.107 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #642043
#642043
oklch(36% 0.106 351.8)
- #004939
#004939
oklch(36.1% 0.07 171.9)
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 #642043, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.043
- Merlot #730039 ΔE 0.044
- Velvet #750851 ΔE 0.051
- Rich Purple #720058 ΔE 0.061
- Burgundy #610023 ΔE 0.061
- Bordeaux #7B002C ΔE 0.061
- Wine #80013F ΔE 0.062
- Red Purple #820747 ΔE 0.065
Use #642043 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.