#681B3A
Closest named color: Merlot (#730039). oklch(35.8% 0.113 0), rgb(104, 27, 58).
Aa
White text reads best on this color (11.62:1).
About this color
#681B3A is a dark, moderately saturated red. In OKLCH its lightness is 36%, its chroma 0.113 and its hue 0°. Its hue sits on the warm side of the wheel. The nearest named color is Merlot (#730039), ΔE 0.033 away. White text reads best on it, at 11.62:1.
| Hue family | Reds |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.113) |
| Temperature | warm |
| Nearest name | Merlot (#730039) |
| Black text | 1.80:1 |
| White text | 11.62:1 |
Values
| HEX | #681B3A |
| RGB | rgb(104, 27, 58) |
| HSL | hsl(336, 59%, 26%) |
| OKLCH | oklch(35.8% 0.113 0) |
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 #681B3A | 11.62:1 | AAA | Lc -99.6 | Preferred for body text |
| Black text on #681B3A | 1.80:1 | Fails | Lc 8.1 | Not readable |
| #681B3A text on white | 11.62:1 | AAA | Lc 95.8 | Preferred for body text |
| #681B3A 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
#FCF2F5
oklch(97% 0.011 357)
-
Step 100
100
#F9E3E9
oklch(93.5% 0.025 359.2)
-
Step 200
200
#F5CDD8
oklch(88.6% 0.047 359.7)
-
Step 300
300
#EFAABE
oklch(80.9% 0.085 0.2)
-
Step 400
400
#E37A9D
oklch(70.6% 0.135 359.9)
-
Step 500
500
#D85385
oklch(63.1% 0.173 360)
-
Step 600
600
#C3316F
oklch(55.5% 0.188 359.8)
-
Step 700
700
#A8225D
oklch(49.1% 0.174 359.8)
-
Step 800
800
#891F4C
oklch(42.8% 0.145 359.9)
-
Step 900
900 (this color)
#681B3A
oklch(35.8% 0.113 0)
-
Step 950
950
#411525
oklch(27.1% 0.071 0.3)
#681B3A 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) | #2B2F3B | 0.126 |
| Deuteranopia (no green cones) | #403E38 | 0.114 |
| Tritanopia (no blue cones) | #711128 | 0.033 |
| Achromatopsia (no color) | #393939 | 0.113 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #681B3A
#681B3A
oklch(35.8% 0.113 0)
- #00473E
#00473E
oklch(35.7% 0.064 180.8)
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 #681B3A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Merlot #730039 ΔE 0.033
- Bordeaux #7B002C ΔE 0.046
- Burgundy #610023 ΔE 0.049
- Wine Red #7B0323 ΔE 0.052
- Claret #680018 ΔE 0.053
- Wine #80013F ΔE 0.053
- Velvet #750851 ΔE 0.054
- Grape Purple #5D1451 ΔE 0.055
Use #681B3A 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.