#681F43
Closest named color: Merlot (#730039). oklch(36.6% 0.111 353.6), rgb(104, 31, 67).
Aa
White text reads best on this color (11.25:1).
About this color
#681F43 is a dark, moderately saturated red. In OKLCH its lightness is 37%, its chroma 0.111 and its hue 354°. Its hue sits on the warm side of the wheel. The nearest named color is Merlot (#730039), ΔE 0.038 away. White text reads best on it, at 11.25:1.
| Hue family | Reds |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.111) |
| Temperature | warm |
| Nearest name | Merlot (#730039) |
| Black text | 1.86:1 |
| White text | 11.25:1 |
Values
| HEX | #681F43 |
| RGB | rgb(104, 31, 67) |
| HSL | hsl(330, 54%, 26%) |
| OKLCH | oklch(36.6% 0.111 353.6) |
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 #681F43 | 11.25:1 | AAA | Lc -99.1 | Preferred for body text |
| Black text on #681F43 | 1.86:1 | Fails | Lc 8.7 | Not readable |
| #681F43 text on white | 11.25:1 | AAA | Lc 95.2 | Preferred for body text |
| #681F43 text on black | 1.86:1 | 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
#FCF3F6
oklch(97.2% 0.01 354.9)
-
Step 100
100
#F8E4EB
oklch(93.7% 0.024 354.3)
-
Step 200
200
#F3CDDB
oklch(88.5% 0.046 353.9)
-
Step 300
300
#ECABC5
oklch(81% 0.083 353.4)
-
Step 400
400
#E07BA7
oklch(70.7% 0.134 353.5)
-
Step 500
500
#D45591
oklch(63.1% 0.171 353.7)
-
Step 600
600
#BF357B
oklch(55.6% 0.185 353.9)
-
Step 700
700
#A42668
oklch(49.1% 0.172 353.6)
-
Step 800
800
#852255
oklch(42.7% 0.142 353.4)
-
Step 900
900 (this color)
#681F43
oklch(36.6% 0.111 353.6)
-
Step 950
950
#3F1529
oklch(26.9% 0.07 353.2)
#681F43 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) | #2B3244 | 0.123 |
| Deuteranopia (no green cones) | #3F4041 | 0.112 |
| Tritanopia (no blue cones) | #701A2E | 0.038 |
| Achromatopsia (no color) | #3B3B3B | 0.112 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #681F43
#681F43
oklch(36.6% 0.111 353.6)
- #004A3B
#004A3B
oklch(36.5% 0.07 173.3)
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 #681F43, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Merlot #730039 ΔE 0.038
- Velvet #750851 ΔE 0.046
- Grape Purple #5D1451 ΔE 0.047
- Wine #80013F ΔE 0.054
- Bordeaux #7B002C ΔE 0.055
- Red Purple #820747 ΔE 0.057
- Rich Purple #720058 ΔE 0.057
- Wine Red #7B0323 ΔE 0.062
Use #681F43 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.