#685E6F

Closest named color: Slate (#516572). oklch(49.7% 0.029 311.4), rgb(104, 94, 111).

Aa

White text reads best on this color (6.14:1).

About this color

#685E6F is a medium-dark close to neutral grey. In OKLCH its lightness is 50%, its chroma 0.029. It has too little chroma to lean warm or cool. The nearest named color is Slate (#516572), ΔE 0.037 away. White text reads best on it, at 6.14:1.

Hue familyNeutrals
Lightnessmedium-dark (50%)
Chromaclose to neutral grey (0.029)
Temperatureneutral
Nearest nameSlate (#516572)
Black text3.41:1
White text6.14:1

Values

HEX#685E6F
RGBrgb(104, 94, 111)
HSLhsl(275, 8%, 40%)
OKLCHoklch(49.7% 0.029 311.4)

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 #685E6F 6.14:1 AA Lc -85.8 Fine for body text
Black text on #685E6F 3.41:1 AA large text Lc 23.4 Dividers and decoration only
#685E6F text on white 6.14:1 AA Lc 80.7 Fine for body text
#685E6F text on black 3.41:1 AA large text Lc -21.2 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

    #F6F5F6

    oklch(97.1% 0.002 325.6)

  2. Step 100

    100

    #EBE9EC

    oklch(93.6% 0.005 314.8)

  3. Step 200

    200

    #DBD8DD

    oklch(88.6% 0.007 312.3)

  4. Step 300

    300

    #C3BEC7

    oklch(80.8% 0.014 310.5)

  5. Step 400

    400

    #A59DAB

    oklch(70.7% 0.022 311)

  6. Step 500

    500

    #8F8597

    oklch(63.1% 0.029 310.2)

  7. Step 600

    600

    #796E81

    oklch(55.5% 0.032 311.1)

  8. Step 700

    700 (this color)

    #685E6F

    oklch(49.7% 0.029 311.4)

  9. Step 800

    800

    #534B59

    oklch(42.6% 0.025 310.8)

  10. Step 900

    900

    #453F49

    oklch(37.7% 0.019 312)

  11. Step 950

    950

    #28252B

    oklch(27% 0.012 308)

Export this scale for Tailwind in the Tailwind colors tool

#685E6F 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)#5C61700.020
Deuteranopia (no green cones)#5E626E0.019
Tritanopia (no blue cones)#6760640.021
Achromatopsia (no color)#6262620.029

Harmonies

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

Complementary

The opposite hue (180°).

  • #685E6F

    #685E6F

    oklch(49.7% 0.029 311.4)

  • #5D6655

    #5D6655

    oklch(49.7% 0.029 130.2)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #685E6F

    #685E6F

    oklch(49.7% 0.029 311.4)

  • #5F6173

    #5F6173

    oklch(49.7% 0.029 280.3)

  • #6F5C67

    #6F5C67

    oklch(49.7% 0.03 342.6)

Open the analogous palette in the generator

Split complementary

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

  • #685E6F

    #685E6F

    oklch(49.7% 0.029 311.4)

  • #666350

    #666350

    oklch(49.7% 0.029 99.9)

  • #54685D

    #54685D

    oklch(49.7% 0.03 161)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #685E6F

    #685E6F

    oklch(49.7% 0.029 311.4)

  • #6D6051

    #6D6051

    oklch(49.7% 0.028 71.1)

  • #4F6867

    #4F6867

    oklch(49.7% 0.03 193.2)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #685E6F

    #685E6F

    oklch(49.7% 0.029 311.4)

  • #725D56

    #725D56

    oklch(49.7% 0.03 39.3)

  • #5D6655

    #5D6655

    oklch(49.7% 0.029 130.2)

  • #50676E

    #50676E

    oklch(49.8% 0.03 218.3)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #685E6F, closest first.

Similar named colors

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

Use #685E6F 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.