#641A43

Closest named color: Grape Purple (#5D1451). oklch(35.3% 0.115 350.5), rgb(100, 26, 67).

Aa

White text reads best on this color (11.85:1).

About this color

#641A43 is a dark, moderately saturated red. In OKLCH its lightness is 35%, its chroma 0.115 and its hue 350°. Its hue sits on the warm side of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.036 away. White text reads best on it, at 11.85:1.

Hue familyReds
Lightnessdark (35%)
Chromamoderately saturated (0.115)
Temperaturewarm
Nearest nameGrape Purple (#5D1451)
Black text1.77:1
White text11.85:1

Values

HEX#641A43
RGBrgb(100, 26, 67)
HSLhsl(327, 59%, 25%)
OKLCHoklch(35.3% 0.115 350.5)

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 #641A43 11.85:1 AAA Lc -100.0 Preferred for body text
Black text on #641A43 1.77:1 Fails Lc 7.6 Not readable
#641A43 text on white 11.85:1 AAA Lc 96.3 Preferred for body text
#641A43 text on black 1.77:1 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

    #F8E3EC

    oklch(93.5% 0.026 349.8)

  3. Step 200

    200

    #F3CDDD

    oklch(88.5% 0.047 350.9)

  4. Step 300

    300

    #ECAAC8

    oklch(80.9% 0.086 350.3)

  5. Step 400

    400

    #DF7AAC

    oklch(70.6% 0.137 350.2)

  6. Step 500

    500

    #D45497

    oklch(63.2% 0.175 350.8)

  7. Step 600

    600

    #BF3282

    oklch(55.6% 0.192 350.4)

  8. Step 700

    700

    #A4236E

    oklch(49.1% 0.178 350.3)

  9. Step 800

    800

    #852059

    oklch(42.6% 0.147 350.6)

  10. Step 900

    900 (this color)

    #641A43

    oklch(35.3% 0.115 350.5)

  11. Step 950

    950

    #3F152B

    oklch(27% 0.072 350.4)

Export this scale for Tailwind in the Tailwind colors tool

#641A43 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)#252F440.128
Deuteranopia (no green cones)#3A3C410.114
Tritanopia (no blue cones)#6C162C0.042
Achromatopsia (no color)#3737370.116

Harmonies

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

Complementary

The opposite hue (180°).

  • #641A43

    #641A43

    oklch(35.3% 0.115 350.5)

  • #004736

    #004736

    oklch(35.4% 0.07 170.2)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #641A43

    #641A43

    oklch(35.3% 0.115 350.5)

  • #55225F

    #55225F

    oklch(35.4% 0.114 320.8)

  • #6B1920

    #6B1920

    oklch(35.4% 0.115 20.8)

Open the analogous palette in the generator

Split complementary

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

  • #641A43

    #641A43

    oklch(35.3% 0.115 350.5)

  • #0E4900

    #0E4900

    oklch(35.4% 0.115 140.5)

  • #004448

    #004448

    oklch(35.2% 0.06 201.5)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #641A43

    #641A43

    oklch(35.3% 0.115 350.5)

  • #3E3E00

    #3E3E00

    oklch(35.2% 0.077 109.8)

  • #004159

    #004159

    oklch(35.2% 0.071 230.9)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #641A43

    #641A43

    oklch(35.3% 0.115 350.5)

  • #4F3600

    #4F3600

    oklch(35.3% 0.073 79.9)

  • #004736

    #004736

    oklch(35.4% 0.07 170.2)

  • #143876

    #143876

    oklch(35.4% 0.114 260.5)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #641A43, closest first.

Similar named colors

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

Use #641A43 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.