#6B1B4D
Closest named color: Velvet (#750851). oklch(37.1% 0.125 346.5), rgb(107, 27, 77).
Aa
White text reads best on this color (11.11:1).
About this color
#6B1B4D is a dark, moderately saturated red. In OKLCH its lightness is 37%, its chroma 0.125 and its hue 347°. Its hue sits on the warm side of the wheel. The nearest named color is Velvet (#750851), ΔE 0.028 away. White text reads best on it, at 11.11:1.
| Hue family | Reds |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.125) |
| Temperature | warm |
| Nearest name | Velvet (#750851) |
| Black text | 1.88:1 |
| White text | 11.11:1 |
Values
| HEX | #6B1B4D |
| RGB | rgb(107, 27, 77) |
| HSL | hsl(323, 60%, 26%) |
| OKLCH | oklch(37.1% 0.125 346.5) |
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 #6B1B4D | 11.11:1 | AAA | Lc -98.7 | Preferred for body text |
| Black text on #6B1B4D | 1.88:1 | Fails | Lc 9.1 | Not readable |
| #6B1B4D text on white | 11.11:1 | AAA | Lc 94.8 | Preferred for body text |
| #6B1B4D text on black | 1.88:1 | 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
#FCF2F7
oklch(97% 0.013 345.5)
-
Step 100
100
#F8E3ED
oklch(93.6% 0.026 347.1)
-
Step 200
200
#F4CCE0
oklch(88.5% 0.052 346.6)
-
Step 300
300
#EEA8CD
oklch(80.9% 0.094 346.4)
-
Step 400
400
#E277B3
oklch(70.8% 0.149 346.8)
-
Step 500
500
#D64DA0
oklch(63% 0.192 346.6)
-
Step 600
600
#C1288B
oklch(55.6% 0.208 346.6)
-
Step 700
700
#A61776
oklch(49% 0.193 346.6)
-
Step 800
800
#871860
oklch(42.6% 0.16 346.6)
-
Step 900
900 (this color)
#6B1B4D
oklch(37.1% 0.125 346.5)
-
Step 950
950
#40132E
oklch(27% 0.078 346.6)
#6B1B4D 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) | #25334E | 0.139 |
| Deuteranopia (no green cones) | #3D414B | 0.123 |
| Tritanopia (no blue cones) | #731931 | 0.051 |
| Achromatopsia (no color) | #3B3B3B | 0.126 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B1B4D
#6B1B4D
oklch(37.1% 0.125 346.5)
- #004C37
#004C37
oklch(37% 0.076 167)
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 #6B1B4D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Velvet #750851 ΔE 0.028
- Rich Purple #720058 ΔE 0.038
- Grape Purple #5D1451 ΔE 0.038
- Merlot #730039 ΔE 0.040
- Red Purple #820747 ΔE 0.050
- Wine #80013F ΔE 0.051
- Bordeaux #7B002C ΔE 0.063
- Wine Red #7B0323 ΔE 0.073
Use #6B1B4D 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.