#642640

Closest named color: Merlot (#730039). oklch(36.7% 0.094 356.6), rgb(100, 38, 64).

Aa

White text reads best on this color (11.09:1).

About this color

#642640 is a dark, moderately saturated red. In OKLCH its lightness is 37%, its chroma 0.094 and its hue 357°. Its hue sits on the warm side of the wheel. The nearest named color is Merlot (#730039), ΔE 0.052 away. White text reads best on it, at 11.09:1.

Hue familyReds
Lightnessdark (37%)
Chromamoderately saturated (0.094)
Temperaturewarm
Nearest nameMerlot (#730039)
Black text1.89:1
White text11.09:1

Values

HEX#642640
RGBrgb(100, 38, 64)
HSLhsl(335, 45%, 27%)
OKLCHoklch(36.7% 0.094 356.6)

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.

PairWCAG 2ResultAPCAAPCA guidance
White text on #642640 11.09:1 AAA Lc -99.0 Preferred for body text
Black text on #642640 1.89:1 Fails Lc 8.8 Not readable
#642640 text on white 11.09:1 AAA Lc 95.1 Preferred for body text
#642640 text on black 1.89:1 Fails Lc -7.5 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

    #FBF3F5

    oklch(97.1% 0.009 0.1)

  2. Step 100

    100

    #F6E5EA

    oklch(93.7% 0.02 357.6)

  3. Step 200

    200

    #F0CFDA

    oklch(88.5% 0.04 355.8)

  4. Step 300

    300

    #E7AEC1

    oklch(80.9% 0.071 357)

  5. Step 400

    400

    #D982A2

    oklch(70.8% 0.113 356.8)

  6. Step 500

    500

    #CC608B

    oklch(63.2% 0.144 357)

  7. Step 600

    600

    #B74375

    oklch(55.6% 0.157 356.8)

  8. Step 700

    700

    #9D3462

    oklch(49.1% 0.146 356.9)

  9. Step 800

    800

    #802C50

    oklch(42.7% 0.122 357)

  10. Step 900

    900 (this color)

    #642640

    oklch(36.7% 0.094 356.6)

  11. Step 950

    950

    #3D1927

    oklch(27.1% 0.059 357.2)

Export this scale for Tailwind in the Tailwind colors tool

#642640 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)#3034410.103
Deuteranopia (no green cones)#40403F0.095
Tritanopia (no blue cones)#6C22300.030
Achromatopsia (no color)#3C3C3C0.095

Harmonies

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

Complementary

The opposite hue (180°).

  • #642640

    #642640

    oklch(36.7% 0.094 356.6)

  • #004A3E

    #004A3E

    oklch(36.6% 0.068 177.1)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #642640

    #642640

    oklch(36.7% 0.094 356.6)

  • #582B59

    #582B59

    oklch(36.8% 0.094 326.5)

  • #682723

    #682723

    oklch(36.7% 0.094 26.3)

Open the analogous palette in the generator

Split complementary

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

  • #642640

    #642640

    oklch(36.7% 0.094 356.6)

  • #144C1E

    #144C1E

    oklch(36.8% 0.095 146.4)

  • #00484F

    #00484F

    oklch(36.7% 0.063 205.9)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #642640

    #642640

    oklch(36.7% 0.094 356.6)

  • #3D4400

    #3D4400

    oklch(36.7% 0.084 116.2)

  • #004463

    #004463

    oklch(36.6% 0.08 236.8)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #642640

    #642640

    oklch(36.7% 0.094 356.6)

  • #503C00

    #503C00

    oklch(36.8% 0.075 87.4)

  • #004A3E

    #004A3E

    oklch(36.6% 0.068 177.1)

  • #283B70

    #283B70

    oklch(36.6% 0.094 266.9)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #642640, closest first.

Similar named colors

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

Use #642640 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.