#641E3F

Closest named color: Merlot (#730039). oklch(35.6% 0.107 354.8), rgb(100, 30, 63).

Aa

White text reads best on this color (11.67:1).

About this color

#641E3F is a dark, moderately saturated red. In OKLCH its lightness is 36%, its chroma 0.107 and its hue 355°. Its hue sits on the warm side of the wheel. The nearest named color is Merlot (#730039), ΔE 0.041 away. White text reads best on it, at 11.67:1.

Hue familyReds
Lightnessdark (36%)
Chromamoderately saturated (0.107)
Temperaturewarm
Nearest nameMerlot (#730039)
Black text1.79:1
White text11.67:1

Values

HEX#641E3F
RGBrgb(100, 30, 63)
HSLhsl(332, 54%, 25%)
OKLCHoklch(35.6% 0.107 354.8)

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 #641E3F 11.67:1 AAA Lc -99.8 Preferred for body text
Black text on #641E3F 1.79:1 Fails Lc 7.8 Not readable
#641E3F text on white 11.67:1 AAA Lc 96.1 Preferred for body text
#641E3F text on black 1.79:1 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

    #F7E4EB

    oklch(93.6% 0.023 353.2)

  3. Step 200

    200

    #F2CEDB

    oklch(88.6% 0.044 354.3)

  4. Step 300

    300

    #EBACC3

    oklch(81% 0.079 355.3)

  5. Step 400

    400

    #DE7DA5

    oklch(70.7% 0.128 354.7)

  6. Step 500

    500

    #D2588F

    oklch(63.1% 0.164 354.7)

  7. Step 600

    600

    #BD3979

    oklch(55.6% 0.178 354.7)

  8. Step 700

    700

    #A32A66

    oklch(49.2% 0.165 354.8)

  9. Step 800

    800

    #842553

    oklch(42.7% 0.136 354.8)

  10. Step 900

    900 (this color)

    #641E3F

    oklch(35.6% 0.107 354.8)

  11. Step 950

    950

    #3F1628

    oklch(27% 0.068 355.2)

Export this scale for Tailwind in the Tailwind colors tool

#641E3F 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)#2A30400.118
Deuteranopia (no green cones)#3D3D3D0.107
Tritanopia (no blue cones)#6C192C0.035
Achromatopsia (no color)#3838380.108

Harmonies

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

Complementary

The opposite hue (180°).

  • #641E3F

    #641E3F

    oklch(35.6% 0.107 354.8)

  • #00473A

    #00473A

    oklch(35.5% 0.067 175.2)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #641E3F

    #641E3F

    oklch(35.6% 0.107 354.8)

  • #57245A

    #57245A

    oklch(35.6% 0.107 325.4)

  • #691E1E

    #691E1E

    oklch(35.6% 0.107 24.4)

Open the analogous palette in the generator

Split complementary

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

  • #641E3F

    #641E3F

    oklch(35.6% 0.107 354.8)

  • #074A12

    #074A12

    oklch(35.7% 0.107 144.9)

  • #00454B

    #00454B

    oklch(35.6% 0.061 204.7)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #641E3F

    #641E3F

    oklch(35.6% 0.107 354.8)

  • #3B4000

    #3B4000

    oklch(35.5% 0.08 114.7)

  • #00415D

    #00415D

    oklch(35.4% 0.075 235)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #641E3F

    #641E3F

    oklch(35.6% 0.107 354.8)

  • #4E3800

    #4E3800

    oklch(35.6% 0.073 83.9)

  • #00473A

    #00473A

    oklch(35.5% 0.067 175.2)

  • #203873

    #203873

    oklch(35.7% 0.106 264.9)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #641E3F, closest first.

Similar named colors

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

Use #641E3F 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.