#641C41

Closest named color: Merlot (#730039). oklch(35.4% 0.111 352.6), rgb(100, 28, 65).

Aa

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

About this color

#641C41 is a dark, moderately saturated red. In OKLCH its lightness is 35%, its chroma 0.111 and its hue 353°. Its hue sits on the warm side of the wheel. The nearest named color is Merlot (#730039), ΔE 0.040 away. White text reads best on it, at 11.76:1.

Hue familyReds
Lightnessdark (35%)
Chromamoderately saturated (0.111)
Temperaturewarm
Nearest nameMerlot (#730039)
Black text1.78:1
White text11.76:1

Values

HEX#641C41
RGBrgb(100, 28, 65)
HSLhsl(329, 56%, 25%)
OKLCHoklch(35.4% 0.111 352.6)

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 #641C41 11.76:1 AAA Lc -99.9 Preferred for body text
Black text on #641C41 1.78:1 Fails Lc 7.7 Not readable
#641C41 text on white 11.76:1 AAA Lc 96.2 Preferred for body text
#641C41 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

    #FCF3F6

    oklch(97.2% 0.01 354.9)

  2. Step 100

    100

    #F8E4EB

    oklch(93.7% 0.024 354.3)

  3. Step 200

    200

    #F3CDDC

    oklch(88.5% 0.047 352.4)

  4. Step 300

    300

    #ECABC6

    oklch(81% 0.083 352.5)

  5. Step 400

    400

    #DF7CA8

    oklch(70.8% 0.132 352.9)

  6. Step 500

    500

    #D35693

    oklch(63.1% 0.17 352.7)

  7. Step 600

    600

    #BE367D

    oklch(55.6% 0.184 352.8)

  8. Step 700

    700

    #A3266A

    oklch(49% 0.172 352.3)

  9. Step 800

    800

    #852256

    oklch(42.7% 0.143 352.7)

  10. Step 900

    900 (this color)

    #641C41

    oklch(35.4% 0.111 352.6)

  11. Step 950

    950

    #3F152A

    oklch(26.9% 0.071 351.8)

Export this scale for Tailwind in the Tailwind colors tool

#641C41 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)#282F420.122
Deuteranopia (no green cones)#3C3D3F0.111
Tritanopia (no blue cones)#6C172C0.038
Achromatopsia (no color)#3838380.111

Harmonies

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

Complementary

The opposite hue (180°).

  • #641C41

    #641C41

    oklch(35.4% 0.111 352.6)

  • #004738

    #004738

    oklch(35.5% 0.068 172.7)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #641C41

    #641C41

    oklch(35.4% 0.111 352.6)

  • #56235D

    #56235D

    oklch(35.5% 0.111 322.7)

  • #6A1C1F

    #6A1C1F

    oklch(35.5% 0.11 22.8)

Open the analogous palette in the generator

Split complementary

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

  • #641C41

    #641C41

    oklch(35.4% 0.111 352.6)

  • #0B4909

    #0B4909

    oklch(35.4% 0.111 142.5)

  • #004549

    #004549

    oklch(35.5% 0.06 201.4)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #641C41

    #641C41

    oklch(35.4% 0.111 352.6)

  • #3D3F00

    #3D3F00

    oklch(35.4% 0.078 111.8)

  • #00415B

    #00415B

    oklch(35.3% 0.073 233)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #641C41

    #641C41

    oklch(35.4% 0.111 352.6)

  • #4E3700

    #4E3700

    oklch(35.4% 0.073 82.4)

  • #004738

    #004738

    oklch(35.5% 0.068 172.7)

  • #1A3874

    #1A3874

    oklch(35.5% 0.11 262.3)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #641C41, closest first.

Similar named colors

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

Use #641C41 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.