#680A37

Closest named color: Merlot (#730039). oklch(34.2% 0.129 358.9), rgb(104, 10, 55).

Aa

White text reads best on this color (12.44:1).

About this color

#680A37 is a dark, moderately saturated red. In OKLCH its lightness is 34%, its chroma 0.129 and its hue 359°. Its hue sits on the warm side of the wheel. The nearest named color is Merlot (#730039), ΔE 0.024 away. White text reads best on it, at 12.44:1.

Hue familyReds
Lightnessdark (34%)
Chromamoderately saturated (0.129)
Temperaturewarm
Nearest nameMerlot (#730039)
Black text1.68:1
White text12.44:1

Values

HEX#680A37
RGBrgb(104, 10, 55)
HSLhsl(331, 82%, 22%)
OKLCHoklch(34.2% 0.129 358.9)

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 #680A37 12.44:1 AAA Lc -100.4 Preferred for body text
Black text on #680A37 1.68:1 Fails Lc 0.0 Not readable
#680A37 text on white 12.44:1 AAA Lc 96.8 Preferred for body text
#680A37 text on black 1.68:1 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

    #FDF2F5

    oklch(97.1% 0.012 358.8)

  2. Step 100

    100

    #FBE3E9

    oklch(93.7% 0.027 0.7)

  3. Step 200

    200

    #F8CBD8

    oklch(88.5% 0.053 359)

  4. Step 300

    300

    #F5A6BF

    oklch(80.9% 0.098 358.9)

  5. Step 400

    400

    #EB739E

    oklch(70.7% 0.154 359.2)

  6. Step 500

    500

    #E14687

    oklch(63.1% 0.198 358.9)

  7. Step 600

    600

    #CC1771

    oklch(55.6% 0.216 358.7)

  8. Step 700

    700

    #B0005E

    oklch(49.1% 0.2 359.1)

  9. Step 800

    800

    #8F0C4D

    oklch(42.7% 0.166 358.9)

  10. Step 900

    900 (this color)

    #680A37

    oklch(34.2% 0.129 358.9)

  11. Step 950

    950

    #441026

    oklch(27% 0.083 358.3)

Export this scale for Tailwind in the Tailwind colors tool

#680A37 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)#2329380.146
Deuteranopia (no green cones)#3C3A350.130
Tritanopia (no blue cones)#7200200.042
Achromatopsia (no color)#3434340.130

Harmonies

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

Complementary

The opposite hue (180°).

  • #680A37

    #680A37

    oklch(34.2% 0.129 358.9)

  • #004339

    #004339

    oklch(34.3% 0.063 178.7)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #680A37

    #680A37

    oklch(34.2% 0.129 358.9)

  • #5A1558

    #5A1558

    oklch(34.1% 0.13 329.2)

  • #6C0C08

    #6C0C08

    oklch(34.2% 0.129 28.9)

Open the analogous palette in the generator

Split complementary

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

  • #680A37

    #680A37

    oklch(34.2% 0.129 358.9)

  • #004519

    #004519

    oklch(34.1% 0.096 148.9)

  • #004149

    #004149

    oklch(34.3% 0.059 208.5)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #680A37

    #680A37

    oklch(34.2% 0.129 358.9)

  • #343E00

    #343E00

    oklch(34.2% 0.081 119.4)

  • #003D5C

    #003D5C

    oklch(34.3% 0.077 239.1)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #680A37

    #680A37

    oklch(34.2% 0.129 358.9)

  • #473600

    #473600

    oklch(34.2% 0.07 89.1)

  • #004339

    #004339

    oklch(34.3% 0.063 178.7)

  • #1E2F7A

    #1E2F7A

    oklch(34.2% 0.129 268.8)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #680A37, closest first.

Similar named colors

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

Use #680A37 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.