#6B103F
Closest named color: Merlot (#730039). oklch(35.5% 0.13 355.1), rgb(107, 16, 63).
Aa
White text reads best on this color (11.85:1).
About this color
#6B103F is a dark, moderately saturated red. In OKLCH its lightness is 36%, its chroma 0.130 and its hue 355°. Its hue sits on the warm side of the wheel. The nearest named color is Merlot (#730039), ΔE 0.021 away. White text reads best on it, at 11.85:1.
| Hue family | Reds |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.130) |
| Temperature | warm |
| Nearest name | Merlot (#730039) |
| Black text | 1.77:1 |
| White text | 11.85:1 |
Values
| HEX | #6B103F |
| RGB | rgb(107, 16, 63) |
| HSL | hsl(329, 74%, 24%) |
| OKLCH | oklch(35.5% 0.13 355.1) |
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 #6B103F | 11.85:1 | AAA | Lc -99.7 | Preferred for body text |
| Black text on #6B103F | 1.77:1 | Fails | Lc 8.0 | Not readable |
| #6B103F text on white | 11.85:1 | AAA | Lc 95.9 | Preferred for body text |
| #6B103F text on black | 1.77:1 | 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
#FAE3EB
oklch(93.7% 0.027 354.5)
-
Step 200
200
#F8CBDB
oklch(88.5% 0.055 354.9)
-
Step 300
300
#F3A6C4
oklch(80.8% 0.098 354.5)
-
Step 400
400
#EA73A5
oklch(70.8% 0.156 355.4)
-
Step 500
500
#DF468F
oklch(63% 0.199 355.1)
-
Step 600
600
#CA1879
oklch(55.5% 0.217 355.1)
-
Step 700
700
#AE0066
oklch(49% 0.201 355.1)
-
Step 800
800
#8E0D53
oklch(42.8% 0.167 355.4)
-
Step 900
900 (this color)
#6B103F
oklch(35.5% 0.13 355.1)
-
Step 950
950
#431028
oklch(26.9% 0.083 355.2)
#6B103F 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) | #242D40 | 0.147 |
| Deuteranopia (no green cones) | #3D3D3D | 0.130 |
| Tritanopia (no blue cones) | #740226 | 0.044 |
| Achromatopsia (no color) | #373737 | 0.131 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B103F
#6B103F
oklch(35.5% 0.13 355.1)
- #00473A
#00473A
oklch(35.5% 0.067 175.2)
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 #6B103F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Merlot #730039 ΔE 0.021
- Velvet #750851 ΔE 0.038
- Wine #80013F ΔE 0.045
- Grape Purple #5D1451 ΔE 0.046
- Bordeaux #7B002C ΔE 0.046
- Rich Purple #720058 ΔE 0.049
- Red Purple #820747 ΔE 0.051
- Burgundy #610023 ΔE 0.052
Use #6B103F 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.