#641A3F

Closest named color: Merlot (#730039). oklch(35.1% 0.112 353.8), rgb(100, 26, 63).

Aa

White text reads best on this color (11.92:1).

About this color

#641A3F is a dark, moderately saturated red. In OKLCH its lightness is 35%, its chroma 0.112 and its hue 354°. Its hue sits on the warm side of the wheel. The nearest named color is Merlot (#730039), ΔE 0.037 away. White text reads best on it, at 11.92:1.

Hue familyReds
Lightnessdark (35%)
Chromamoderately saturated (0.112)
Temperaturewarm
Nearest nameMerlot (#730039)
Black text1.76:1
White text11.92:1

Values

HEX#641A3F
RGBrgb(100, 26, 63)
HSLhsl(330, 59%, 25%)
OKLCHoklch(35.1% 0.112 353.8)

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 #641A3F 11.92:1 AAA Lc -100.1 Preferred for body text
Black text on #641A3F 1.76:1 Fails Lc 7.4 Not readable
#641A3F text on white 11.92:1 AAA Lc 96.5 Preferred for body text
#641A3F text on black 1.76:1 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

    #FCF2F6

    oklch(97% 0.012 351)

  2. Step 100

    100

    #F8E4EB

    oklch(93.7% 0.024 354.3)

  3. Step 200

    200

    #F3CDDB

    oklch(88.5% 0.046 353.9)

  4. Step 300

    300

    #EDAAC4

    oklch(80.9% 0.085 354.1)

  5. Step 400

    400

    #E07BA7

    oklch(70.7% 0.134 353.5)

  6. Step 500

    500

    #D55491

    oklch(63.1% 0.173 353.8)

  7. Step 600

    600

    #C0337B

    oklch(55.6% 0.188 353.9)

  8. Step 700

    700

    #A52468

    oklch(49.1% 0.174 353.7)

  9. Step 800

    800

    #862155

    oklch(42.7% 0.144 353.6)

  10. Step 900

    900 (this color)

    #641A3F

    oklch(35.1% 0.112 353.8)

  11. Step 950

    950

    #401529

    oklch(27.1% 0.072 353.9)

Export this scale for Tailwind in the Tailwind colors tool

#641A3F 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)#272E400.125
Deuteranopia (no green cones)#3B3C3D0.113
Tritanopia (no blue cones)#6C142A0.038
Achromatopsia (no color)#3737370.113

Harmonies

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

Complementary

The opposite hue (180°).

  • #641A3F

    #641A3F

    oklch(35.1% 0.112 353.8)

  • #004638

    #004638

    oklch(35.2% 0.067 173.7)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #641A3F

    #641A3F

    oklch(35.1% 0.112 353.8)

  • #56215B

    #56215B

    oklch(35.1% 0.112 324.1)

  • #691A1C

    #691A1C

    oklch(35% 0.112 23.8)

Open the analogous palette in the generator

Split complementary

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

  • #641A3F

    #641A3F

    oklch(35.1% 0.112 353.8)

  • #03490A

    #03490A

    oklch(35.3% 0.113 143.8)

  • #004449

    #004449

    oklch(35.2% 0.06 203.1)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #641A3F

    #641A3F

    oklch(35.1% 0.112 353.8)

  • #3B3F00

    #3B3F00

    oklch(35.2% 0.079 113.8)

  • #00405B

    #00405B

    oklch(35% 0.074 234.4)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #641A3F

    #641A3F

    oklch(35.1% 0.112 353.8)

  • #4D3700

    #4D3700

    oklch(35.2% 0.072 83.6)

  • #004638

    #004638

    oklch(35.2% 0.067 173.7)

  • #1B3674

    #1B3674

    oklch(35% 0.112 263.9)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #641A3F, closest first.

Similar named colors

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

Use #641A3F 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.