#6B1D48
Closest named color: Velvet (#750851). oklch(37.1% 0.119 350.6), rgb(107, 29, 72).
Aa
White text reads best on this color (11.08:1).
About this color
#6B1D48 is a dark, moderately saturated red. In OKLCH its lightness is 37%, its chroma 0.119 and its hue 351°. Its hue sits on the warm side of the wheel. The nearest named color is Velvet (#750851), ΔE 0.035 away. White text reads best on it, at 11.08:1.
| Hue family | Reds |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.119) |
| Temperature | warm |
| Nearest name | Velvet (#750851) |
| Black text | 1.89:1 |
| White text | 11.08:1 |
Values
| HEX | #6B1D48 |
| RGB | rgb(107, 29, 72) |
| HSL | hsl(327, 57%, 27%) |
| OKLCH | oklch(37.1% 0.119 350.6) |
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 #6B1D48 | 11.08:1 | AAA | Lc -98.7 | Preferred for body text |
| Black text on #6B1D48 | 1.89:1 | Fails | Lc 9.1 | Not readable |
| #6B1D48 text on white | 11.08:1 | AAA | Lc 94.8 | Preferred for body text |
| #6B1D48 text on black | 1.89:1 | Fails | Lc -7.8 | 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
#FCF2F6
oklch(97% 0.012 351)
-
Step 100
100
#F8E3EC
oklch(93.5% 0.026 349.8)
-
Step 200
200
#F4CCDD
oklch(88.4% 0.05 350.7)
-
Step 300
300
#EEA9C8
oklch(80.9% 0.09 350.7)
-
Step 400
400
#E278AC
oklch(70.7% 0.144 350.6)
-
Step 500
500
#D65098
oklch(63.1% 0.183 350.3)
-
Step 600
600
#C12D82
oklch(55.6% 0.198 350.6)
-
Step 700
700
#A61D6E
oklch(49% 0.184 350.5)
-
Step 800
800
#871C5A
oklch(42.7% 0.153 350.3)
-
Step 900
900 (this color)
#6B1D48
oklch(37.1% 0.119 350.6)
-
Step 950
950
#40142B
oklch(27% 0.075 350.8)
#6B1D48 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) | #293349 | 0.132 |
| Deuteranopia (no green cones) | #3F4146 | 0.119 |
| Tritanopia (no blue cones) | #73192F | 0.045 |
| Achromatopsia (no color) | #3C3C3C | 0.120 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B1D48
#6B1D48
oklch(37.1% 0.119 350.6)
- #004C3A
#004C3A
oklch(37.1% 0.073 170.2)
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 #6B1D48, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Velvet #750851 ΔE 0.035
- Merlot #730039 ΔE 0.037
- Grape Purple #5D1451 ΔE 0.044
- Rich Purple #720058 ΔE 0.047
- Wine #80013F ΔE 0.048
- Red Purple #820747 ΔE 0.049
- Bordeaux #7B002C ΔE 0.056
- Wine Red #7B0323 ΔE 0.065
Use #6B1D48 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.