#640239
Closest named color: Merlot (#730039). oklch(33% 0.134 354.8), rgb(100, 2, 57).
Aa
White text reads best on this color (13.04:1).
About this color
#640239 is a dark, moderately saturated red. In OKLCH its lightness is 33%, its chroma 0.134 and its hue 355°. Its hue sits on the warm side of the wheel. The nearest named color is Merlot (#730039), ΔE 0.035 away. White text reads best on it, at 13.04:1.
| Hue family | Reds |
| Lightness | dark (33%) |
| Chroma | moderately saturated (0.134) |
| Temperature | warm |
| Nearest name | Merlot (#730039) |
| Black text | 1.60:1 |
| White text | 13.04:1 |
Values
| HEX | #640239 |
| RGB | rgb(100, 2, 57) |
| HSL | hsl(326, 96%, 20%) |
| OKLCH | oklch(33% 0.134 354.8) |
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 #640239 | 13.04:1 | AAA | Lc -101.1 | Preferred for body text |
| Black text on #640239 | 1.60:1 | Fails | Lc 0.0 | Not readable |
| #640239 text on white | 13.04:1 | AAA | Lc 97.5 | Preferred for body text |
| #640239 text on black | 1.60:1 | 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
#FDF2F6
oklch(97.1% 0.013 353.1)
-
Step 100
100
#FBE2EB
oklch(93.6% 0.03 353.9)
-
Step 200
200
#F8CBDB
oklch(88.5% 0.055 354.9)
-
Step 300
300
#F5A6C4
oklch(81% 0.1 355.1)
-
Step 400
400
#EB71A6
oklch(70.7% 0.161 354.7)
-
Step 500
500
#E14390
oklch(63.1% 0.205 354.8)
-
Step 600
600
#CC0F7A
oklch(55.6% 0.222 354.9)
-
Step 700
700
#AE0067
oklch(49.1% 0.202 354.6)
-
Step 800
800
#8F0654
oklch(42.7% 0.172 354.8)
-
Step 900
900 (this color)
#640239
oklch(33% 0.134 354.8)
-
Step 950
950
#441029
oklch(27.1% 0.084 354.6)
#640239 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) | #1C263A | 0.153 |
| Deuteranopia (no green cones) | #373737 | 0.134 |
| Tritanopia (no blue cones) | #6D001F | 0.050 |
| Achromatopsia (no color) | #313131 | 0.135 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #640239
#640239
oklch(33% 0.134 354.8)
- #004033
#004033
oklch(33.1% 0.063 173.7)
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 #640239, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Merlot #730039 ΔE 0.035
- Burgundy #610023 ΔE 0.038
- Grape Purple #5D1451 ΔE 0.045
- Velvet #750851 ΔE 0.055
- Claret #680018 ΔE 0.055
- Bordeaux #7B002C ΔE 0.060
- Rich Purple #720058 ΔE 0.060
- Wine #80013F ΔE 0.065
Use #640239 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.