#681840

Closest named color: Merlot (#730039). oklch(35.7% 0.119 354.4), rgb(104, 24, 64).

Aa

White text reads best on this color (11.71:1).

About this color

#681840 is a dark, moderately saturated red. In OKLCH its lightness is 36%, its chroma 0.119 and its hue 354°. Its hue sits on the warm side of the wheel. The nearest named color is Merlot (#730039), ΔE 0.030 away. White text reads best on it, at 11.71:1.

Hue familyReds
Lightnessdark (36%)
Chromamoderately saturated (0.119)
Temperaturewarm
Nearest nameMerlot (#730039)
Black text1.79:1
White text11.71:1

Values

HEX#681840
RGBrgb(104, 24, 64)
HSLhsl(330, 63%, 25%)
OKLCHoklch(35.7% 0.119 354.4)

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.

PairWCAG 2ResultAPCAAPCA guidance
White text on #681840 11.71:1 AAA Lc -99.7 Preferred for body text
Black text on #681840 1.79:1 Fails Lc 8.0 Not readable
#681840 text on white 11.71:1 AAA Lc 95.9 Preferred for body text
#681840 text on black 1.79:1 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.

  1. Step 50

    50

    #FDF2F6

    oklch(97.1% 0.013 353.1)

  2. Step 100

    100

    #F9E3EB

    oklch(93.6% 0.026 353.5)

  3. Step 200

    200

    #F5CCDB

    oklch(88.5% 0.05 354.2)

  4. Step 300

    300

    #EFA9C4

    oklch(80.9% 0.089 354.4)

  5. Step 400

    400

    #E478A6

    oklch(70.7% 0.143 354.5)

  6. Step 500

    500

    #D94F90

    oklch(63.1% 0.183 354.5)

  7. Step 600

    600

    #C42B7A

    oklch(55.6% 0.199 354.6)

  8. Step 700

    700

    #A91B67

    oklch(49.2% 0.185 354.5)

  9. Step 800

    800

    #891B54

    oklch(42.7% 0.153 354.4)

  10. Step 900

    900 (this color)

    #681840

    oklch(35.7% 0.119 354.4)

  11. Step 950

    950

    #411329

    oklch(27% 0.076 353.7)

Export this scale for Tailwind in the Tailwind colors tool

#681840 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.

VisionSeen asShift (ΔE)
Protanopia (no red cones)#272F410.133
Deuteranopia (no green cones)#3D3D3E0.119
Tritanopia (no blue cones)#7110290.042
Achromatopsia (no color)#3838380.120

Harmonies

Hue rotations in OKLCH that keep this color's lightness and chroma.

Complementary

The opposite hue (180°).

  • #681840

    #681840

    oklch(35.7% 0.119 354.4)

  • #00473A

    #00473A

    oklch(35.5% 0.067 175.2)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #681840

    #681840

    oklch(35.7% 0.119 354.4)

  • #59205E

    #59205E

    oklch(35.6% 0.119 324.4)

  • #6E181A

    #6E181A

    oklch(35.8% 0.12 24.6)

Open the analogous palette in the generator

Split complementary

The two hues beside the complement (150° and 210°).

  • #681840

    #681840

    oklch(35.7% 0.119 354.4)

  • #004A0C

    #004A0C

    oklch(35.5% 0.113 144.5)

  • #00454B

    #00454B

    oklch(35.6% 0.061 204.7)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #681840

    #681840

    oklch(35.7% 0.119 354.4)

  • #3C4100

    #3C4100

    oklch(35.8% 0.081 114.6)

  • #00425D

    #00425D

    oklch(35.7% 0.074 233.7)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #681840

    #681840

    oklch(35.7% 0.119 354.4)

  • #4E3800

    #4E3800

    oklch(35.6% 0.073 83.9)

  • #00473A

    #00473A

    oklch(35.5% 0.067 175.2)

  • #1B377A

    #1B377A

    oklch(35.8% 0.119 264.2)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #681840, closest first.

Similar named colors

The eight closest entries in our named color list, with their ΔE distance.

Use #681840 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.