#6B1B4A
Closest named color: Velvet (#750851). oklch(36.9% 0.123 348.7), rgb(107, 27, 74).
Aa
White text reads best on this color (11.16:1).
About this color
#6B1B4A is a dark, moderately saturated red. In OKLCH its lightness is 37%, its chroma 0.123 and its hue 349°. Its hue sits on the warm side of the wheel. The nearest named color is Velvet (#750851), ΔE 0.031 away. White text reads best on it, at 11.16:1.
| Hue family | Reds |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.123) |
| Temperature | warm |
| Nearest name | Velvet (#750851) |
| Black text | 1.88:1 |
| White text | 11.16:1 |
Values
| HEX | #6B1B4A |
| RGB | rgb(107, 27, 74) |
| HSL | hsl(325, 60%, 26%) |
| OKLCH | oklch(36.9% 0.123 348.7) |
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 #6B1B4A | 11.16:1 | AAA | Lc -98.8 | Preferred for body text |
| Black text on #6B1B4A | 1.88:1 | Fails | Lc 9.0 | Not readable |
| #6B1B4A text on white | 11.16:1 | AAA | Lc 94.9 | Preferred for body text |
| #6B1B4A text on black | 1.88:1 | Fails | Lc -7.7 | 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
#F9E3ED
oklch(93.6% 0.027 348.3)
-
Step 200
200
#F4CCDF
oklch(88.5% 0.051 347.9)
-
Step 300
300
#EEA8CA
oklch(80.8% 0.093 348.7)
-
Step 400
400
#E277B0
oklch(70.7% 0.148 348.4)
-
Step 500
500
#D74E9C
oklch(63.1% 0.189 348.7)
-
Step 600
600
#C22986
oklch(55.6% 0.205 348.9)
-
Step 700
700
#A71872
oklch(49.1% 0.191 348.7)
-
Step 800
800
#88195D
oklch(42.8% 0.158 348.7)
-
Step 900
900 (this color)
#6B1B4A
oklch(36.9% 0.123 348.7)
-
Step 950
950
#40132D
oklch(27% 0.078 347.8)
#6B1B4A 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) | #27324B | 0.136 |
| Deuteranopia (no green cones) | #3E4048 | 0.120 |
| Tritanopia (no blue cones) | #731730 | 0.047 |
| Achromatopsia (no color) | #3B3B3B | 0.124 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B1B4A
#6B1B4A
oklch(36.9% 0.123 348.7)
- #004C38
#004C38
oklch(37% 0.075 168)
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 #6B1B4A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Velvet #750851 ΔE 0.031
- Merlot #730039 ΔE 0.037
- Grape Purple #5D1451 ΔE 0.040
- Rich Purple #720058 ΔE 0.041
- Wine #80013F ΔE 0.049
- Red Purple #820747 ΔE 0.049
- Bordeaux #7B002C ΔE 0.059
- Wine Red #7B0323 ΔE 0.069
Use #6B1B4A 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.