#108A8A

Closest named color: Dark Cyan (#008B8B). oklch(57.5% 0.095 194.8), rgb(16, 138, 138).

Aa

Black text reads best on this color (5.02:1).

About this color

#108A8A is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 57%, its chroma 0.095 and its hue 195°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Cyan (#008B8B), ΔE 0.004 away. Black text reads best on it, at 5.02:1.

Hue familyTeals and cyans
Lightnessmedium-dark (57%)
Chromamoderately saturated (0.095)
Temperaturecool
Nearest nameDark Cyan (#008B8B)
Black text5.02:1
White text4.17:1

Values

HEX#108A8A
RGBrgb(16, 138, 138)
HSLhsl(180, 79%, 30%)
OKLCHoklch(57.5% 0.095 194.8)

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 #108A8A 4.17:1 AA large text Lc -73.8 Content text, not long reading
Black text on #108A8A 5.02:1 AA Lc 35.8 Non-text elements, placeholder text
#108A8A text on white 4.17:1 AA large text Lc 68.3 Content text, not long reading
#108A8A text on black 5.02:1 AA Lc -33.3 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

    #F1F7F6

    oklch(97.1% 0.006 185.3)

  2. Step 100

    100

    #E1EDEC

    oklch(93.7% 0.013 190.9)

  3. Step 200

    200

    #C8DEDE

    oklch(88.4% 0.023 196.7)

  4. Step 300

    300

    #A1CAC9

    oklch(80.9% 0.043 194.5)

  5. Step 400

    400

    #6BAEAE

    oklch(70.6% 0.068 195.7)

  6. Step 500

    500

    #3B9A9A

    oklch(63.1% 0.088 195.2)

  7. Step 600

    600 (this color)

    #108A8A

    oklch(57.5% 0.095 194.8)

  8. Step 700

    700

    #006F6F

    oklch(49% 0.084 194.8)

  9. Step 800

    800

    #005B5B

    oklch(42.7% 0.073 194.8)

  10. Step 900

    900

    #114B4B

    oklch(37.7% 0.057 195)

  11. Step 950

    950

    #0D2C2C

    oklch(27% 0.036 195.2)

Export this scale for Tailwind in the Tailwind colors tool

#108A8A 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)#80838A0.099
Deuteranopia (no green cones)#70778B0.093
Tritanopia (no blue cones)#008F8A0.015
Achromatopsia (no color)#7C7C7C0.096

Harmonies

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

Complementary

The opposite hue (180°).

  • #108A8A

    #108A8A

    oklch(57.5% 0.095 194.8)

  • #A96067

    #A96067

    oklch(57.4% 0.095 14.4)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #108A8A

    #108A8A

    oklch(57.5% 0.095 194.8)

  • #378A6A

    #378A6A

    oklch(57.3% 0.095 164.8)

  • #2884A3

    #2884A3

    oklch(57.4% 0.096 225.1)

Open the analogous palette in the generator

Split complementary

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

  • #108A8A

    #108A8A

    oklch(57.5% 0.095 194.8)

  • #A16186

    #A16186

    oklch(57.5% 0.096 344.9)

  • #A76648

    #A76648

    oklch(57.5% 0.095 45.2)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #108A8A

    #108A8A

    oklch(57.5% 0.095 194.8)

  • #8E67A0

    #8E67A0

    oklch(57.5% 0.096 314.7)

  • #9A7031

    #9A7031

    oklch(57.5% 0.096 74.7)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #108A8A

    #108A8A

    oklch(57.5% 0.095 194.8)

  • #7370AF

    #7370AF

    oklch(57.4% 0.096 285.1)

  • #A96067

    #A96067

    oklch(57.4% 0.095 14.4)

  • #817C32

    #817C32

    oklch(57.5% 0.096 105.4)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #108A8A, closest first.

Similar named colors

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

Use #108A8A 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.