#64595E

Closest named color: Slate (#516572). oklch(47.6% 0.016 348.5), rgb(100, 89, 94).

Aa

White text reads best on this color (6.70:1).

About this color

#64595E is a medium-dark close to neutral grey. In OKLCH its lightness is 48%, its chroma 0.016. It has too little chroma to lean warm or cool. The nearest named color is Slate (#516572), ΔE 0.045 away. White text reads best on it, at 6.70:1.

Hue familyNeutrals
Lightnessmedium-dark (48%)
Chromaclose to neutral grey (0.016)
Temperatureneutral
Nearest nameSlate (#516572)
Black text3.13:1
White text6.70:1

Values

HEX#64595E
RGBrgb(100, 89, 94)
HSLhsl(333, 6%, 37%)
OKLCHoklch(47.6% 0.016 348.5)

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 #64595E 6.70:1 AA Lc -88.1 Fine for body text
Black text on #64595E 3.13:1 AA large text Lc 20.9 Dividers and decoration only
#64595E text on white 6.70:1 AA Lc 83.1 Fine for body text
#64595E text on black 3.13:1 AA large text Lc -18.8 Dividers and decoration only

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 700.

  1. Step 50

    50

    #F6F5F5

    oklch(97.1% 0.001 17.2)

  2. Step 100

    100

    #EBE9EA

    oklch(93.6% 0.003 345.2)

  3. Step 200

    200

    #DBD8D9

    oklch(88.5% 0.004 354.7)

  4. Step 300

    300

    #C5BFC1

    oklch(81% 0.007 354.8)

  5. Step 400

    400

    #A79EA2

    oklch(70.8% 0.012 348.6)

  6. Step 500

    500

    #91868B

    oklch(63.1% 0.015 348.2)

  7. Step 600

    600

    #7C6F75

    oklch(55.6% 0.018 348.1)

  8. Step 700

    700 (this color)

    #64595E

    oklch(47.6% 0.016 348.5)

  9. Step 800

    800

    #554C50

    oklch(42.7% 0.014 349)

  10. Step 900

    900

    #463F42

    oklch(37.6% 0.011 349.8)

  11. Step 950

    950

    #292527

    oklch(27% 0.007 345.8)

Export this scale for Tailwind in the Tailwind colors tool

#64595E 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)#5A5B5E0.017
Deuteranopia (no green cones)#5C5C5E0.015
Tritanopia (no blue cones)#66595B0.006
Achromatopsia (no color)#5C5C5C0.016

Harmonies

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

Complementary

The opposite hue (180°).

  • #64595E

    #64595E

    oklch(47.6% 0.016 348.5)

  • #54605B

    #54605B

    oklch(47.7% 0.017 168.6)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #64595E

    #64595E

    oklch(47.6% 0.016 348.5)

  • #615A63

    #615A63

    oklch(47.7% 0.017 318.7)

  • #655959

    #655959

    oklch(47.6% 0.016 17.7)

Open the analogous palette in the generator

Split complementary

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

  • #64595E

    #64595E

    oklch(47.6% 0.016 348.5)

  • #585F56

    #585F56

    oklch(47.6% 0.017 138.7)

  • #526060

    #526060

    oklch(47.7% 0.017 196.6)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #64595E

    #64595E

    oklch(47.6% 0.016 348.5)

  • #5D5D53

    #5D5D53

    oklch(47.5% 0.016 107)

  • #545F64

    #545F64

    oklch(47.8% 0.016 226.8)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #64595E

    #64595E

    oklch(47.6% 0.016 348.5)

  • #625C53

    #625C53

    oklch(47.8% 0.016 78.2)

  • #54605B

    #54605B

    oklch(47.7% 0.017 168.6)

  • #575D66

    #575D66

    oklch(47.6% 0.016 258.4)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #64595E, closest first.

Similar named colors

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

Use #64595E 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.