#6B163F
Closest named color: Merlot (#730039). oklch(36% 0.124 356.1), rgb(107, 22, 63).
Aa
White text reads best on this color (11.59:1).
About this color
#6B163F is a dark, moderately saturated red. In OKLCH its lightness is 36%, its chroma 0.124 and its hue 356°. Its hue sits on the warm side of the wheel. The nearest named color is Merlot (#730039), ΔE 0.024 away. White text reads best on it, at 11.59:1.
| Hue family | Reds |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.124) |
| Temperature | warm |
| Nearest name | Merlot (#730039) |
| Black text | 1.81:1 |
| White text | 11.59:1 |
Values
| HEX | #6B163F |
| RGB | rgb(107, 22, 63) |
| HSL | hsl(331, 66%, 25%) |
| OKLCH | oklch(36% 0.124 356.1) |
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 #6B163F | 11.59:1 | AAA | Lc -99.4 | Preferred for body text |
| Black text on #6B163F | 1.81:1 | Fails | Lc 8.3 | Not readable |
| #6B163F text on white | 11.59:1 | AAA | Lc 95.6 | Preferred for body text |
| #6B163F text on black | 1.81:1 | 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
#FAE3EA
oklch(93.6% 0.027 357.2)
-
Step 200
200
#F6CCDA
oklch(88.5% 0.051 356.2)
-
Step 300
300
#F2A8C2
oklch(81% 0.093 356.6)
-
Step 400
400
#E776A3
oklch(70.7% 0.148 356.4)
-
Step 500
500
#DC4B8D
oklch(63% 0.19 355.9)
-
Step 600
600
#C72477
oklch(55.5% 0.206 356)
-
Step 700
700
#AC1264
oklch(49.1% 0.192 356.1)
-
Step 800
800
#8C1552
oklch(42.8% 0.16 355.9)
-
Step 900
900 (this color)
#6B163F
oklch(36% 0.124 356.1)
-
Step 950
950
#421228
oklch(27% 0.078 355.3)
#6B163F 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) | #272F40 | 0.140 |
| Deuteranopia (no green cones) | #3F3E3D | 0.123 |
| Tritanopia (no blue cones) | #740B28 | 0.041 |
| Achromatopsia (no color) | #393939 | 0.125 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B163F
#6B163F
oklch(36% 0.124 356.1)
- #00483C
#00483C
oklch(35.9% 0.067 176.8)
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 #6B163F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Merlot #730039 ΔE 0.024
- Velvet #750851 ΔE 0.040
- Wine #80013F ΔE 0.045
- Bordeaux #7B002C ΔE 0.045
- Grape Purple #5D1451 ΔE 0.049
- Red Purple #820747 ΔE 0.050
- Rich Purple #720058 ΔE 0.053
- Burgundy #610023 ΔE 0.054
Use #6B163F 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.