#757583

Closest named color: Battleship Gray (#6C757D). oklch(56.7% 0.021 285.7), rgb(117, 117, 131).

Aa

Black text reads best on this color (4.62:1).

About this color

#757583 is a medium-dark close to neutral grey. In OKLCH its lightness is 57%, its chroma 0.021. It has too little chroma to lean warm or cool. The nearest named color is Battleship Gray (#6C757D), ΔE 0.017 away. Black text reads best on it, at 4.62:1.

Hue familyNeutrals
Lightnessmedium-dark (57%)
Chromaclose to neutral grey (0.021)
Temperatureneutral
Nearest nameBattleship Gray (#6C757D)
Black text4.62:1
White text4.53:1

Values

HEX#757583
RGBrgb(117, 117, 131)
HSLhsl(240, 6%, 49%)
OKLCHoklch(56.7% 0.021 285.7)

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 #757583 4.53:1 AA Lc -77.0 Fine for body text
Black text on #757583 4.62:1 AA Lc 32.6 Non-text elements, placeholder text
#757583 text on white 4.53:1 AA Lc 71.5 Content text, not long reading
#757583 text on black 4.62:1 AA Lc -30.1 Non-text elements, placeholder text

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 600.

  1. Step 50

    50

    #F5F5F6

    oklch(97% 0.001 286.4)

  2. Step 100

    100

    #E9E9EC

    oklch(93.5% 0.004 286.3)

  3. Step 200

    200

    #D8D9DC

    oklch(88.5% 0.004 271.4)

  4. Step 300

    300

    #C0C0C7

    oklch(81% 0.01 286.2)

  5. Step 400

    400

    #9F9FAA

    oklch(70.6% 0.016 286)

  6. Step 500

    500

    #888895

    oklch(63.1% 0.019 285.8)

  7. Step 600

    600 (this color)

    #757583

    oklch(56.7% 0.021 285.7)

  8. Step 700

    700

    #5F5F6C

    oklch(49% 0.021 285.6)

  9. Step 800

    800

    #4E4E58

    oklch(42.8% 0.016 285.7)

  10. Step 900

    900

    #414148

    oklch(37.8% 0.012 285.8)

  11. Step 950

    950

    #26262A

    oklch(27% 0.007 285.9)

Export this scale for Tailwind in the Tailwind colors tool

#757583 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)#7276840.005
Deuteranopia (no green cones)#7276830.005
Tritanopia (no blue cones)#7277790.019
Achromatopsia (no color)#7676760.021

Harmonies

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

Complementary

The opposite hue (180°).

  • #757583

    #757583

    oklch(56.7% 0.021 285.7)

  • #787869

    #787869

    oklch(56.8% 0.022 107.1)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #757583

    #757583

    oklch(56.7% 0.021 285.7)

  • #6E7783

    #6E7783

    oklch(56.6% 0.021 255.6)

  • #7C737F

    #7C737F

    oklch(56.8% 0.021 317.7)

Open the analogous palette in the generator

Split complementary

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

  • #757583

    #757583

    oklch(56.7% 0.021 285.7)

  • #7E7569

    #7E7569

    oklch(56.7% 0.021 75.2)

  • #717A6D

    #717A6D

    oklch(56.8% 0.022 135.9)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #757583

    #757583

    oklch(56.7% 0.021 285.7)

  • #82736C

    #82736C

    oklch(56.7% 0.022 46.6)

  • #6B7B74

    #6B7B74

    oklch(56.8% 0.022 167.4)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #757583

    #757583

    oklch(56.7% 0.021 285.7)

  • #837272

    #837272

    oklch(56.8% 0.021 17.8)

  • #787869

    #787869

    oklch(56.8% 0.022 107.1)

  • #697B7B

    #697B7B

    oklch(56.8% 0.021 196.6)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #757583, closest first.

Similar named colors

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

Use #757583 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.