#319F8A

Closest named color: Persian Green (#2A9D8F). oklch(63.6% 0.103 177.3), rgb(49, 159, 138).

Aa

Black text reads best on this color (6.45:1).

About this color

#319F8A is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 64%, its chroma 0.103 and its hue 177°. Its hue sits on the cool side of the wheel. The nearest named color is Persian Green (#2A9D8F), ΔE 0.012 away. Black text reads best on it, at 6.45:1.

Hue familyTeals and cyans
Lightnessmedium-light (64%)
Chromamoderately saturated (0.103)
Temperaturecool
Nearest namePersian Green (#2A9D8F)
Black text6.45:1
White text3.25:1

Values

HEX#319F8A
RGBrgb(49, 159, 138)
HSLhsl(169, 53%, 41%)
OKLCHoklch(63.6% 0.103 177.3)

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 #319F8A 3.25:1 AA large text Lc -64.9 Content text, not long reading
Black text on #319F8A 6.45:1 AA Lc 44.6 Non-text elements, placeholder text
#319F8A text on white 3.25:1 AA large text Lc 59.5 Large or bold text, headings
#319F8A text on black 6.45:1 AA Lc -42.2 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 500.

  1. Step 50

    50

    #F1F7F5

    oklch(97.1% 0.007 174.4)

  2. Step 100

    100

    #E0EDEA

    oklch(93.6% 0.014 180.7)

  3. Step 200

    200

    #C7E0D9

    oklch(88.6% 0.028 177)

  4. Step 300

    300

    #9FCCC0

    oklch(81% 0.05 176.9)

  5. Step 400

    400

    #65B1A0

    oklch(70.6% 0.08 177.8)

  6. Step 500

    500 (this color)

    #319F8A

    oklch(63.6% 0.103 177.3)

  7. Step 600

    600

    #008772

    oklch(55.7% 0.104 176.6)

  8. Step 700

    700

    #007160

    oklch(49.1% 0.091 177.4)

  9. Step 800

    800

    #005D4E

    oklch(42.8% 0.079 176.7)

  10. Step 900

    900

    #064D41

    oklch(37.7% 0.067 177.2)

  11. Step 950

    950

    #092D26

    oklch(26.9% 0.043 177.4)

Export this scale for Tailwind in the Tailwind colors tool

#319F8A 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)#9995890.109
Deuteranopia (no green cones)#898A8C0.103
Tritanopia (no blue cones)#00A1990.023
Achromatopsia (no color)#8F8F8F0.104

Harmonies

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

Complementary

The opposite hue (180°).

  • #319F8A

    #319F8A

    oklch(63.6% 0.103 177.3)

  • #BD6F8B

    #BD6F8B

    oklch(63.5% 0.104 357.5)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #319F8A

    #319F8A

    oklch(63.6% 0.103 177.3)

  • #5E9C66

    #5E9C66

    oklch(63.6% 0.103 147.3)

  • #1F9CAB

    #1F9CAB

    oklch(63.6% 0.103 207.6)

Open the analogous palette in the generator

Split complementary

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

  • #319F8A

    #319F8A

    oklch(63.6% 0.103 177.3)

  • #AC74AB

    #AC74AB

    oklch(63.6% 0.103 327.3)

  • #C17168

    #C17168

    oklch(63.4% 0.103 27.2)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #319F8A

    #319F8A

    oklch(63.6% 0.103 177.3)

  • #927DC1

    #927DC1

    oklch(63.6% 0.102 297.6)

  • #BA7A49

    #BA7A49

    oklch(63.6% 0.103 57)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #319F8A

    #319F8A

    oklch(63.6% 0.103 177.3)

  • #6F88CA

    #6F88CA

    oklch(63.5% 0.104 267.6)

  • #BD6F8B

    #BD6F8B

    oklch(63.5% 0.104 357.5)

  • #A58739

    #A58739

    oklch(63.6% 0.103 88)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #319F8A, closest first.

Similar named colors

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

Use #319F8A 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.