#616477

Closest named color: Slate (#516572). oklch(50.8% 0.03 278.2), rgb(97, 100, 119).

Aa

White text reads best on this color (5.83:1).

About this color

#616477 is a medium-dark, muted blue. In OKLCH its lightness is 51%, its chroma 0.030 and its hue 278°. Its hue sits on the cool side of the wheel. The nearest named color is Slate (#516572), ΔE 0.025 away. White text reads best on it, at 5.83:1.

Hue familyBlues
Lightnessmedium-dark (51%)
Chromamuted (0.030)
Temperaturecool
Nearest nameSlate (#516572)
Black text3.59:1
White text5.83:1

Values

HEX#616477
RGBrgb(97, 100, 119)
HSLhsl(232, 10%, 42%)
OKLCHoklch(50.8% 0.03 278.2)

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 #616477 5.83:1 AA Lc -84.4 Fine for body text
Black text on #616477 3.59:1 AA large text Lc 24.8 Dividers and decoration only
#616477 text on white 5.83:1 AA Lc 79.2 Fine for body text
#616477 text on black 3.59:1 AA large text Lc -22.6 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

    #F5F5F7

    oklch(97.1% 0.003 286.4)

  2. Step 100

    100

    #E9E9ED

    oklch(93.5% 0.005 286.3)

  3. Step 200

    200

    #D8D9DF

    oklch(88.6% 0.008 278.6)

  4. Step 300

    300

    #BEC0CA

    oklch(80.9% 0.014 277)

  5. Step 400

    400

    #9D9FB0

    oklch(70.6% 0.025 280.4)

  6. Step 500

    500

    #85889C

    oklch(63.1% 0.03 278.7)

  7. Step 600

    600

    #6E7287

    oklch(55.6% 0.033 276.8)

  8. Step 700

    700 (this color)

    #616477

    oklch(50.8% 0.03 278.2)

  9. Step 800

    800

    #4B4E5D

    oklch(42.7% 0.025 276.4)

  10. Step 900

    900

    #3F414C

    oklch(37.8% 0.019 277.3)

  11. Step 950

    950

    #25262D

    oklch(27.1% 0.013 279.1)

Export this scale for Tailwind in the Tailwind colors tool

#616477 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)#5F66780.006
Deuteranopia (no green cones)#5E64760.005
Tritanopia (no blue cones)#5C676A0.027
Achromatopsia (no color)#6565650.030

Harmonies

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

Complementary

The opposite hue (180°).

  • #616477

    #616477

    oklch(50.8% 0.03 278.2)

  • #6A6652

    #6A6652

    oklch(50.8% 0.031 98)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #616477

    #616477

    oklch(50.8% 0.03 278.2)

  • #586776

    #586776

    oklch(50.7% 0.03 248.4)

  • #6A6173

    #6A6173

    oklch(50.7% 0.03 307.8)

Open the analogous palette in the generator

Split complementary

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

  • #616477

    #616477

    oklch(50.8% 0.03 278.2)

  • #716253

    #716253

    oklch(50.6% 0.03 67.1)

  • #606957

    #606957

    oklch(50.8% 0.03 129.1)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #616477

    #616477

    oklch(50.8% 0.03 278.2)

  • #756059

    #756059

    oklch(50.8% 0.03 39.3)

  • #576B5F

    #576B5F

    oklch(50.8% 0.031 158.8)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #616477

    #616477

    oklch(50.8% 0.03 278.2)

  • #755E62

    #755E62

    oklch(50.6% 0.03 6.5)

  • #6A6652

    #6A6652

    oklch(50.8% 0.031 98)

  • #526B69

    #526B69

    oklch(50.7% 0.03 190.2)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #616477, closest first.

Similar named colors

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

Use #616477 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.