#615751

Closest named color: Slate (#516572). oklch(46.5% 0.016 53.1), rgb(97, 87, 81).

Aa

White text reads best on this color (7.02:1).

About this color

#615751 is a medium-dark close to neutral grey. In OKLCH its lightness is 46%, its chroma 0.016. It has too little chroma to lean warm or cool. The nearest named color is Slate (#516572), ΔE 0.057 away. White text reads best on it, at 7.02:1.

Hue familyNeutrals
Lightnessmedium-dark (46%)
Chromaclose to neutral grey (0.016)
Temperatureneutral
Nearest nameSlate (#516572)
Black text2.99:1
White text7.02:1

Values

HEX#615751
RGBrgb(97, 87, 81)
HSLhsl(23, 9%, 35%)
OKLCHoklch(46.5% 0.016 53.1)

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 #615751 7.02:1 AAA Lc -89.3 Fine for body text
Black text on #615751 2.99:1 Fails Lc 19.7 Dividers and decoration only
#615751 text on white 7.02:1 AAA Lc 84.3 Fine for body text
#615751 text on black 2.99:1 Fails Lc -17.6 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

    #EBE9E8

    oklch(93.5% 0.003 48.7)

  3. Step 200

    200

    #DBD8D6

    oklch(88.4% 0.004 56.4)

  4. Step 300

    300

    #C5BFBC

    oklch(80.9% 0.008 48.6)

  5. Step 400

    400

    #A79F99

    oklch(70.8% 0.013 59.5)

  6. Step 500

    500

    #928781

    oklch(63.1% 0.016 50.7)

  7. Step 600

    600

    #7C716A

    oklch(55.7% 0.017 54.7)

  8. Step 700

    700 (this color)

    #615751

    oklch(46.5% 0.016 53.1)

  9. Step 800

    800

    #554D48

    oklch(42.6% 0.013 54.2)

  10. Step 900

    900

    #46403C

    oklch(37.6% 0.011 56)

  11. Step 950

    950

    #292623

    oklch(27.1% 0.007 67.5)

Export this scale for Tailwind in the Tailwind colors tool

#615751 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)#5A58510.012
Deuteranopia (no green cones)#5C5A510.012
Tritanopia (no blue cones)#6455550.011
Achromatopsia (no color)#5959590.016

Harmonies

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

Complementary

The opposite hue (180°).

  • #615751

    #615751

    oklch(46.5% 0.016 53.1)

  • #515B61

    #515B61

    oklch(46.5% 0.016 234.1)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #615751

    #615751

    oklch(46.5% 0.016 53.1)

  • #625655

    #625655

    oklch(46.5% 0.016 23.4)

  • #5E594F

    #5E594F

    oklch(46.6% 0.017 84.6)

Open the analogous palette in the generator

Split complementary

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

  • #615751

    #615751

    oklch(46.5% 0.016 53.1)

  • #4F5C5D

    #4F5C5D

    oklch(46.4% 0.016 202.3)

  • #545963

    #545963

    oklch(46.3% 0.017 264.4)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #615751

    #615751

    oklch(46.5% 0.016 53.1)

  • #505C58

    #505C58

    oklch(46.3% 0.016 173.5)

  • #595862

    #595862

    oklch(46.5% 0.016 290.4)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #615751

    #615751

    oklch(46.5% 0.016 53.1)

  • #545C53

    #545C53

    oklch(46.5% 0.017 142.1)

  • #515B61

    #515B61

    oklch(46.5% 0.016 234.1)

  • #5E565F

    #5E565F

    oklch(46.4% 0.018 322.4)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #615751, closest first.

Similar named colors

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

Use #615751 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.