#670B47
Closest named color: Grape Purple (#5D1451). oklch(34.8% 0.136 347.2), rgb(103, 11, 71).
Aa
White text reads best on this color (12.24:1).
About this color
#670B47 is a dark, moderately saturated red. In OKLCH its lightness is 35%, its chroma 0.136 and its hue 347°. Its hue sits on the warm side of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.029 away. White text reads best on it, at 12.24:1.
| Hue family | Reds |
| Lightness | dark (35%) |
| Chroma | moderately saturated (0.136) |
| Temperature | warm |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.71:1 |
| White text | 12.24:1 |
Values
| HEX | #670B47 |
| RGB | rgb(103, 11, 71) |
| HSL | hsl(321, 81%, 22%) |
| OKLCH | oklch(34.8% 0.136 347.2) |
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 #670B47 | 12.24:1 | AAA | Lc -100.2 | Preferred for body text |
| Black text on #670B47 | 1.71:1 | Fails | Lc 7.4 | Not readable |
| #670B47 text on white | 12.24:1 | AAA | Lc 96.5 | Preferred for body text |
| #670B47 text on black | 1.71:1 | 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
#FDF2F7
oklch(97.1% 0.013 347.9)
-
Step 100
100
#FAE2EE
oklch(93.6% 0.031 346)
-
Step 200
200
#F6CBE0
oklch(88.5% 0.055 347.3)
-
Step 300
300
#F2A6CD
oklch(81% 0.102 347.5)
-
Step 400
400
#E772B4
oklch(70.7% 0.162 347.1)
-
Step 500
500
#DC44A1
oklch(63.1% 0.208 347.1)
-
Step 600
600
#C7138C
oklch(55.6% 0.226 347)
-
Step 700
700
#AB0076
oklch(49.1% 0.207 347.4)
-
Step 800
800
#8B0961
oklch(42.6% 0.174 346.8)
-
Step 900
900 (this color)
#670B47
oklch(34.8% 0.136 347.2)
-
Step 950
950
#42102E
oklch(27% 0.085 347.4)
#670B47 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) | #1B2B48 | 0.154 |
| Deuteranopia (no green cones) | #373B45 | 0.134 |
| Tritanopia (no blue cones) | #6F0629 | 0.055 |
| Achromatopsia (no color) | #353535 | 0.137 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #670B47
#670B47
oklch(34.8% 0.136 347.2)
- #004532
#004532
oklch(34.7% 0.071 167.4)
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 #670B47, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.029
- Velvet #750851 ΔE 0.034
- Merlot #730039 ΔE 0.036
- Rich Purple #720058 ΔE 0.037
- Wine #80013F ΔE 0.058
- Red Purple #820747 ΔE 0.061
- Burgundy #610023 ΔE 0.061
- Plum Purple #4E0550 ΔE 0.065
Use #670B47 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.