#681C4B
Closest named color: Velvet (#750851). oklch(36.6% 0.12 346.6), rgb(104, 28, 75).
Aa
White text reads best on this color (11.31:1).
About this color
#681C4B is a dark, moderately saturated red. In OKLCH its lightness is 37%, its chroma 0.120 and its hue 347°. Its hue sits on the warm side of the wheel. The nearest named color is Velvet (#750851), ΔE 0.035 away. White text reads best on it, at 11.31:1.
| Hue family | Reds |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.120) |
| Temperature | warm |
| Nearest name | Velvet (#750851) |
| Black text | 1.85:1 |
| White text | 11.31:1 |
Values
| HEX | #681C4B |
| RGB | rgb(104, 28, 75) |
| HSL | hsl(323, 58%, 26%) |
| OKLCH | oklch(36.6% 0.12 346.6) |
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 #681C4B | 11.31:1 | AAA | Lc -99.1 | Preferred for body text |
| Black text on #681C4B | 1.85:1 | Fails | Lc 8.7 | Not readable |
| #681C4B text on white | 11.31:1 | AAA | Lc 95.2 | Preferred for body text |
| #681C4B text on black | 1.85:1 | Fails | Lc -7.4 | 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
#FCF2F7
oklch(97% 0.013 345.5)
-
Step 100
100
#F8E3ED
oklch(93.6% 0.026 347.1)
-
Step 200
200
#F3CCE0
oklch(88.4% 0.051 345.9)
-
Step 300
300
#ECA9CC
oklch(80.8% 0.09 346.7)
-
Step 400
400
#E079B2
oklch(70.8% 0.144 347)
-
Step 500
500
#D4519F
oklch(63.1% 0.184 346.9)
-
Step 600
600
#BF2E8A
oklch(55.6% 0.2 346.8)
-
Step 700
700
#A41E75
oklch(49.1% 0.186 346.7)
-
Step 800
800
#851D5F
oklch(42.6% 0.153 346.8)
-
Step 900
900 (this color)
#681C4B
oklch(36.6% 0.12 346.6)
-
Step 950
950
#3F142E
oklch(27% 0.076 346.1)
#681C4B 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) | #25324C | 0.133 |
| Deuteranopia (no green cones) | #3C3F49 | 0.117 |
| Tritanopia (no blue cones) | #6F1A30 | 0.049 |
| Achromatopsia (no color) | #3A3A3A | 0.121 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #681C4B
#681C4B
oklch(36.6% 0.12 346.6)
- #004B36
#004B36
oklch(36.6% 0.075 166.7)
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 #681C4B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Velvet #750851 ΔE 0.035
- Grape Purple #5D1451 ΔE 0.035
- Merlot #730039 ΔE 0.042
- Rich Purple #720058 ΔE 0.043
- Wine #80013F ΔE 0.055
- Red Purple #820747 ΔE 0.056
- Bordeaux #7B002C ΔE 0.064
- Burgundy #610023 ΔE 0.071
Use #681C4B 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.