#681643

Closest named color: Merlot (#730039). oklch(35.6% 0.123 351.7), rgb(104, 22, 67).

Aa

White text reads best on this color (11.76:1).

About this color

#681643 is a dark, moderately saturated red. In OKLCH its lightness is 36%, its chroma 0.123 and its hue 352°. Its hue sits on the warm side of the wheel. The nearest named color is Merlot (#730039), ΔE 0.031 away. White text reads best on it, at 11.76:1.

Hue familyReds
Lightnessdark (36%)
Chromamoderately saturated (0.123)
Temperaturewarm
Nearest nameMerlot (#730039)
Black text1.78:1
White text11.76:1

Values

HEX#681643
RGBrgb(104, 22, 67)
HSLhsl(327, 65%, 25%)
OKLCHoklch(35.6% 0.123 351.7)

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 #681643 11.76:1 AAA Lc -99.7 Preferred for body text
Black text on #681643 1.78:1 Fails Lc 7.9 Not readable
#681643 text on white 11.76:1 AAA Lc 96.0 Preferred for body text
#681643 text on black 1.78:1 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

    #F9E3EC

    oklch(93.6% 0.027 350.9)

  3. Step 200

    200

    #F5CCDD

    oklch(88.5% 0.051 351.3)

  4. Step 300

    300

    #F0A8C7

    oklch(80.9% 0.093 351.9)

  5. Step 400

    400

    #E476AB

    oklch(70.6% 0.148 351.3)

  6. Step 500

    500

    #D94D96

    oklch(63.1% 0.189 351.6)

  7. Step 600

    600

    #C42780

    oklch(55.6% 0.205 351.8)

  8. Step 700

    700

    #A9166C

    oklch(49.1% 0.191 351.9)

  9. Step 800

    800

    #891858

    oklch(42.7% 0.158 351.8)

  10. Step 900

    900 (this color)

    #681643

    oklch(35.6% 0.123 351.7)

  11. Step 950

    950

    #41132B

    oklch(27% 0.077 351.2)

Export this scale for Tailwind in the Tailwind colors tool

#681643 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)#242E440.139
Deuteranopia (no green cones)#3C3D410.122
Tritanopia (no blue cones)#700F2A0.045
Achromatopsia (no color)#3838380.124

Harmonies

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

Complementary

The opposite hue (180°).

  • #681643

    #681643

    oklch(35.6% 0.123 351.7)

  • #004738

    #004738

    oklch(35.5% 0.068 172.7)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #681643

    #681643

    oklch(35.6% 0.123 351.7)

  • #581F61

    #581F61

    oklch(35.5% 0.123 322)

  • #6F151D

    #6F151D

    oklch(35.7% 0.123 21.8)

Open the analogous palette in the generator

Split complementary

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

  • #681643

    #681643

    oklch(35.6% 0.123 351.7)

  • #064A00

    #064A00

    oklch(35.6% 0.119 141.7)

  • #004549

    #004549

    oklch(35.5% 0.06 201.4)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #681643

    #681643

    oklch(35.6% 0.123 351.7)

  • #3E4000

    #3E4000

    oklch(35.8% 0.079 111.8)

  • #00425B

    #00425B

    oklch(35.6% 0.072 231.7)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #681643

    #681643

    oklch(35.6% 0.123 351.7)

  • #4F3700

    #4F3700

    oklch(35.5% 0.073 81.3)

  • #004738

    #004738

    oklch(35.5% 0.068 172.7)

  • #14377B

    #14377B

    oklch(35.6% 0.123 261.9)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #681643, closest first.

Similar named colors

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

Use #681643 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.