#681C33
Closest named color: Merlot (#730039). oklch(35.6% 0.109 6.3), rgb(104, 28, 51).
Aa
White text reads best on this color (11.65:1).
About this color
#681C33 is a dark, moderately saturated red. In OKLCH its lightness is 36%, its chroma 0.109 and its hue 6°. Its hue sits on the warm side of the wheel. The nearest named color is Merlot (#730039), ΔE 0.039 away. White text reads best on it, at 11.65:1.
| Hue family | Reds |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.109) |
| Temperature | warm |
| Nearest name | Merlot (#730039) |
| Black text | 1.80:1 |
| White text | 11.65:1 |
Values
| HEX | #681C33 |
| RGB | rgb(104, 28, 51) |
| HSL | hsl(342, 58%, 26%) |
| OKLCH | oklch(35.6% 0.109 6.3) |
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 #681C33 | 11.65:1 | AAA | Lc -99.7 | Preferred for body text |
| Black text on #681C33 | 1.80:1 | Fails | Lc 8.0 | Not readable |
| #681C33 text on white | 11.65:1 | AAA | Lc 95.9 | Preferred for body text |
| #681C33 text on black | 1.80:1 | 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
#FDF3F4
oklch(97.2% 0.011 10.3)
-
Step 100
100
#F9E4E7
oklch(93.7% 0.023 7.7)
-
Step 200
200
#F5CDD4
oklch(88.4% 0.046 6.2)
-
Step 300
300
#EFABB8
oklch(80.9% 0.081 6.4)
-
Step 400
400
#E47B94
oklch(70.6% 0.132 5.8)
-
Step 500
500
#D95579
oklch(63.1% 0.168 6.4)
-
Step 600
600
#C43462
oklch(55.6% 0.182 6.4)
-
Step 700
700
#A92551
oklch(49.1% 0.169 6.5)
-
Step 800
800
#892143
oklch(42.7% 0.14 6)
-
Step 900
900 (this color)
#681C33
oklch(35.6% 0.109 6.3)
-
Step 950
950
#411521
oklch(27% 0.069 6.1)
#681C33 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) | #2D2F34 | 0.122 |
| Deuteranopia (no green cones) | #413E31 | 0.112 |
| Tritanopia (no blue cones) | #720F25 | 0.029 |
| Achromatopsia (no color) | #383838 | 0.110 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #681C33
#681C33
oklch(35.6% 0.109 6.3)
- #004741
#004741
oklch(35.8% 0.063 185.3)
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 #681C33, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Merlot #730039 ΔE 0.039
- Bordeaux #7B002C ΔE 0.044
- Claret #680018 ΔE 0.045
- Burgundy #610023 ΔE 0.045
- Wine Red #7B0323 ΔE 0.046
- Reddy Brown #6E1005 ΔE 0.055
- Wine #80013F ΔE 0.058
- Blood #770001 ΔE 0.062
Use #681C33 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.