#6B1648
Closest named color: Velvet (#750851). oklch(36.4% 0.128 349.5), rgb(107, 22, 72).
Aa
White text reads best on this color (11.45:1).
About this color
#6B1648 is a dark, moderately saturated red. In OKLCH its lightness is 36%, its chroma 0.128 and its hue 349°. Its hue sits on the warm side of the wheel. The nearest named color is Velvet (#750851), ΔE 0.029 away. White text reads best on it, at 11.45:1.
| Hue family | Reds |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.128) |
| Temperature | warm |
| Nearest name | Velvet (#750851) |
| Black text | 1.83:1 |
| White text | 11.45:1 |
Values
| HEX | #6B1648 |
| RGB | rgb(107, 22, 72) |
| HSL | hsl(325, 66%, 25%) |
| OKLCH | oklch(36.4% 0.128 349.5) |
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 #6B1648 | 11.45:1 | AAA | Lc -99.1 | Preferred for body text |
| Black text on #6B1648 | 1.83:1 | Fails | Lc 8.6 | Not readable |
| #6B1648 text on white | 11.45:1 | AAA | Lc 95.3 | Preferred for body text |
| #6B1648 text on black | 1.83:1 | Fails | Lc -7.4 | 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
#FDF2F7
oklch(97.1% 0.013 347.9)
-
Step 100
100
#F9E3ED
oklch(93.6% 0.027 348.3)
-
Step 200
200
#F6CBDE
oklch(88.4% 0.054 349.9)
-
Step 300
300
#F0A7CA
oklch(80.8% 0.096 349.2)
-
Step 400
400
#E575AF
oklch(70.7% 0.153 349.4)
-
Step 500
500
#DA4A9B
oklch(63.1% 0.196 349.5)
-
Step 600
600
#C52086
oklch(55.5% 0.214 349.2)
-
Step 700
700
#AA0D71
oklch(49.1% 0.199 349.6)
-
Step 800
800
#8A135C
oklch(42.7% 0.165 349.5)
-
Step 900
900 (this color)
#6B1648
oklch(36.4% 0.128 349.5)
-
Step 950
950
#42122C
oklch(27.1% 0.081 350.3)
#6B1648 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) | #243049 | 0.143 |
| Deuteranopia (no green cones) | #3D3F46 | 0.126 |
| Tritanopia (no blue cones) | #73112D | 0.049 |
| Achromatopsia (no color) | #3A3A3A | 0.129 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B1648
#6B1648
oklch(36.4% 0.128 349.5)
- #004A38
#004A38
oklch(36.4% 0.072 169.7)
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 #6B1648, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Velvet #750851 ΔE 0.029
- Merlot #730039 ΔE 0.032
- Grape Purple #5D1451 ΔE 0.038
- Rich Purple #720058 ΔE 0.039
- Wine #80013F ΔE 0.047
- Red Purple #820747 ΔE 0.049
- Bordeaux #7B002C ΔE 0.056
- Burgundy #610023 ΔE 0.066
Use #6B1648 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.