#428685

Closest named color: Dark Cyan (#008B8B). oklch(57.6% 0.069 194.1), rgb(66, 134, 133).

Aa

Black text reads best on this color (4.98:1).

About this color

#428685 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 58%, its chroma 0.069 and its hue 194°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Cyan (#008B8B), ΔE 0.029 away. Black text reads best on it, at 4.98:1.

Hue familyTeals and cyans
Lightnessmedium-dark (58%)
Chromamuted (0.069)
Temperaturecool
Nearest nameDark Cyan (#008B8B)
Black text4.98:1
White text4.21:1

Values

HEX#428685
RGBrgb(66, 134, 133)
HSLhsl(179, 34%, 39%)
OKLCHoklch(57.6% 0.069 194.1)

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 #428685 4.21:1 AA large text Lc -74.4 Content text, not long reading
Black text on #428685 4.98:1 AA Lc 35.1 Non-text elements, placeholder text
#428685 text on white 4.21:1 AA large text Lc 68.9 Content text, not long reading
#428685 text on black 4.98:1 AA Lc -32.7 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

    #F2F6F6

    oklch(97% 0.004 197.1)

  2. Step 100

    100

    #E3ECEB

    oklch(93.6% 0.01 189.1)

  3. Step 200

    200

    #CDDDDC

    oklch(88.5% 0.017 192.3)

  4. Step 300

    300

    #AAC7C6

    oklch(80.8% 0.031 194)

  5. Step 400

    400

    #7CABAA

    oklch(70.7% 0.05 194.4)

  6. Step 500

    500

    #599695

    oklch(63.2% 0.063 194.3)

  7. Step 600

    600 (this color)

    #428685

    oklch(57.6% 0.069 194.1)

  8. Step 700

    700

    #2D6C6B

    oklch(49% 0.064 193.8)

  9. Step 800

    800

    #275857

    oklch(42.6% 0.053 193.6)

  10. Step 900

    900

    #254948

    oklch(37.8% 0.042 193.2)

  11. Step 950

    950

    #162B2A

    oklch(27.1% 0.027 191.8)

Export this scale for Tailwind in the Tailwind colors tool

#428685 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)#7F80850.073
Deuteranopia (no green cones)#7378860.067
Tritanopia (no blue cones)#168A850.026
Achromatopsia (no color)#7B7B7B0.069

Harmonies

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

Complementary

The opposite hue (180°).

  • #428685

    #428685

    oklch(57.6% 0.069 194.1)

  • #9E686C

    #9E686C

    oklch(57.6% 0.07 14.6)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #428685

    #428685

    oklch(57.6% 0.069 194.1)

  • #50866E

    #50866E

    oklch(57.5% 0.069 164.1)

  • #488297

    #488297

    oklch(57.5% 0.069 223.6)

Open the analogous palette in the generator

Split complementary

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

  • #428685

    #428685

    oklch(57.6% 0.069 194.1)

  • #976983

    #976983

    oklch(57.7% 0.069 344.6)

  • #9C6C57

    #9C6C57

    oklch(57.6% 0.069 44.5)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #428685

    #428685

    oklch(57.6% 0.069 194.1)

  • #886D96

    #886D96

    oklch(57.6% 0.069 313.9)

  • #92734A

    #92734A

    oklch(57.6% 0.069 73.5)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #428685

    #428685

    oklch(57.6% 0.069 194.1)

  • #7474A1

    #7474A1

    oklch(57.7% 0.069 284)

  • #9E686C

    #9E686C

    oklch(57.6% 0.07 14.6)

  • #807B4A

    #807B4A

    oklch(57.5% 0.069 103.3)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #428685, closest first.

Similar named colors

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

Use #428685 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.