#670B40
Closest named color: Merlot (#730039). oklch(34.4% 0.132 352.1), rgb(103, 11, 64).
Aa
White text reads best on this color (12.36:1).
About this color
#670B40 is a dark, moderately saturated red. In OKLCH its lightness is 34%, its chroma 0.132 and its hue 352°. Its hue sits on the warm side of the wheel. The nearest named color is Merlot (#730039), ΔE 0.029 away. White text reads best on it, at 12.36:1.
| Hue family | Reds |
| Lightness | dark (34%) |
| Chroma | moderately saturated (0.132) |
| Temperature | warm |
| Nearest name | Merlot (#730039) |
| Black text | 1.69:1 |
| White text | 12.36:1 |
Values
| HEX | #670B40 |
| RGB | rgb(103, 11, 64) |
| HSL | hsl(325, 81%, 22%) |
| OKLCH | oklch(34.4% 0.132 352.1) |
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 #670B40 | 12.36:1 | AAA | Lc -100.4 | Preferred for body text |
| Black text on #670B40 | 1.69:1 | Fails | Lc 0.0 | Not readable |
| #670B40 text on white | 12.36:1 | AAA | Lc 96.7 | Preferred for body text |
| #670B40 text on black | 1.69:1 | 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
#FAE2EC
oklch(93.5% 0.029 350.5)
-
Step 200
200
#F7CBDD
oklch(88.5% 0.055 351.8)
-
Step 300
300
#F3A6C7
oklch(80.9% 0.099 352.2)
-
Step 400
400
#E972AB
oklch(70.7% 0.159 351.9)
-
Step 500
500
#DE4696
oklch(63.1% 0.202 352.1)
-
Step 600
600
#C91780
oklch(55.6% 0.219 352.2)
-
Step 700
700
#AD006C
oklch(49.1% 0.203 352.2)
-
Step 800
800
#8D0C58
oklch(42.7% 0.169 352.3)
-
Step 900
900 (this color)
#670B40
oklch(34.4% 0.132 352.1)
-
Step 950
950
#43102B
oklch(27% 0.084 351.6)
#670B40 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) | #1F2A41 | 0.149 |
| Deuteranopia (no green cones) | #393A3E | 0.131 |
| Tritanopia (no blue cones) | #700025 | 0.049 |
| Achromatopsia (no color) | #343434 | 0.133 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #670B40
#670B40
oklch(34.4% 0.132 352.1)
- #004435
#004435
oklch(34.4% 0.067 172)
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 #670B40, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Merlot #730039 ΔE 0.029
- Grape Purple #5D1451 ΔE 0.038
- Velvet #750851 ΔE 0.041
- Rich Purple #720058 ΔE 0.048
- Burgundy #610023 ΔE 0.050
- Wine #80013F ΔE 0.055
- Bordeaux #7B002C ΔE 0.057
- Red Purple #820747 ΔE 0.061
Use #670B40 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.