#6B143F
Closest named color: Merlot (#730039). oklch(35.8% 0.126 355.8), rgb(107, 20, 63).
Aa
White text reads best on this color (11.68:1).
About this color
#6B143F is a dark, moderately saturated red. In OKLCH its lightness is 36%, its chroma 0.126 and its hue 356°. Its hue sits on the warm side of the wheel. The nearest named color is Merlot (#730039), ΔE 0.023 away. White text reads best on it, at 11.68:1.
| Hue family | Reds |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.126) |
| Temperature | warm |
| Nearest name | Merlot (#730039) |
| Black text | 1.79:1 |
| White text | 11.68:1 |
Values
| HEX | #6B143F |
| RGB | rgb(107, 20, 63) |
| HSL | hsl(330, 69%, 25%) |
| OKLCH | oklch(35.8% 0.126 355.8) |
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 #6B143F | 11.68:1 | AAA | Lc -99.5 | Preferred for body text |
| Black text on #6B143F | 1.79:1 | Fails | Lc 8.2 | Not readable |
| #6B143F text on white | 11.68:1 | AAA | Lc 95.7 | Preferred for body text |
| #6B143F text on black | 1.79:1 | 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
#F7CBDA
oklch(88.4% 0.053 355.8)
-
Step 300
300
#F2A7C3
oklch(80.8% 0.095 355.3)
-
Step 400
400
#E875A4
oklch(70.8% 0.151 355.8)
-
Step 500
500
#DD4A8E
oklch(63.1% 0.192 355.6)
-
Step 600
600
#C82078
oklch(55.5% 0.21 355.5)
-
Step 700
700
#AD0C65
oklch(49.1% 0.196 355.7)
-
Step 800
800
#8C1352
oklch(42.6% 0.161 355.8)
-
Step 900
900 (this color)
#6B143F
oklch(35.8% 0.126 355.8)
-
Step 950
950
#431228
oklch(27.1% 0.08 356)
#6B143F 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) | #262E40 | 0.142 |
| Deuteranopia (no green cones) | #3E3E3D | 0.127 |
| Tritanopia (no blue cones) | #740827 | 0.042 |
| Achromatopsia (no color) | #383838 | 0.127 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B143F
#6B143F
oklch(35.8% 0.126 355.8)
- #00483B
#00483B
oklch(35.9% 0.067 175.4)
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 #6B143F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Merlot #730039 ΔE 0.023
- Velvet #750851 ΔE 0.039
- Wine #80013F ΔE 0.045
- Bordeaux #7B002C ΔE 0.045
- Grape Purple #5D1451 ΔE 0.047
- Red Purple #820747 ΔE 0.050
- Rich Purple #720058 ΔE 0.051
- Burgundy #610023 ΔE 0.053
Use #6B143F 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.