#642D59
Closest named color: Grape Purple (#5D1451). oklch(38.9% 0.099 335.5), rgb(100, 45, 89).
Aa
White text reads best on this color (10.18:1).
About this color
#642D59 is a dark, moderately saturated purple. In OKLCH its lightness is 39%, its chroma 0.099 and its hue 336°. Its hue sits on the warm side of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.055 away. White text reads best on it, at 10.18:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.099) |
| Temperature | warm |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 2.06:1 |
| White text | 10.18:1 |
Values
| HEX | #642D59 |
| RGB | rgb(100, 45, 89) |
| HSL | hsl(312, 38%, 28%) |
| OKLCH | oklch(38.9% 0.099 335.5) |
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 #642D59 | 10.18:1 | AAA | Lc -97.4 | Preferred for body text |
| Black text on #642D59 | 2.06:1 | Fails | Lc 10.7 | Not readable |
| #642D59 text on white | 10.18:1 | AAA | Lc 93.3 | Preferred for body text |
| #642D59 text on black | 2.06:1 | Fails | Lc -9.2 | 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
#FAF3F8
oklch(97.1% 0.01 335.5)
-
Step 100
100
#F4E5EF
oklch(93.7% 0.021 337.7)
-
Step 200
200
#ECCFE4
oklch(88.5% 0.043 335.7)
-
Step 300
300
#E0AFD3
oklch(80.9% 0.074 336)
-
Step 400
400
#CF83BD
oklch(70.7% 0.119 335.9)
-
Step 500
500
#C061AD
oklch(63% 0.153 335.3)
-
Step 600
600
#AB4598
oklch(55.5% 0.166 335.5)
-
Step 700
700
#933682
oklch(49.1% 0.154 335.5)
-
Step 800
800
#772E6A
oklch(42.7% 0.127 335.1)
-
Step 900
900 (this color)
#642D59
oklch(38.9% 0.099 335.5)
-
Step 950
950
#391932
oklch(27% 0.063 336.1)
#642D59 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) | #2D3C5A | 0.103 |
| Deuteranopia (no green cones) | #3D4457 | 0.091 |
| Tritanopia (no blue cones) | #69303F | 0.049 |
| Achromatopsia (no color) | #414141 | 0.100 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #642D59
#642D59
oklch(38.9% 0.099 335.5)
- #00532D
#00532D
oklch(38.9% 0.096 155.2)
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 #642D59, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.055
- Velvet #750851 ΔE 0.060
- Purple Brown #673A3F ΔE 0.065
- Rich Purple #720058 ΔE 0.065
- Merlot #730039 ΔE 0.076
- Red Purple #820747 ΔE 0.076
- Brownish Purple #76424E ΔE 0.077
- Wine #80013F ΔE 0.080
Use #642D59 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.