#15745F

Closest named color: Dark Aquamarine (#017371). oklch(50.1% 0.09 173.3), rgb(21, 116, 95).

Aa

White text reads best on this color (5.68:1).

About this color

#15745F is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 50%, its chroma 0.090 and its hue 173°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Aquamarine (#017371), ΔE 0.030 away. White text reads best on it, at 5.68:1.

Hue familyTeals and cyans
Lightnessmedium-dark (50%)
Chromamoderately saturated (0.090)
Temperaturecool
Nearest nameDark Aquamarine (#017371)
Black text3.69:1
White text5.68:1

Values

HEX#15745F
RGBrgb(21, 116, 95)
HSLhsl(167, 69%, 27%)
OKLCHoklch(50.1% 0.09 173.3)

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 #15745F 5.68:1 AA Lc -83.3 Fine for body text
Black text on #15745F 3.69:1 AA large text Lc 26.0 Dividers and decoration only
#15745F text on white 5.68:1 AA Lc 78.0 Fine for body text
#15745F text on black 3.69:1 AA large text Lc -23.8 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

    #F2F7F5

    oklch(97.2% 0.006 170.4)

  2. Step 100

    100

    #E2EDE9

    oklch(93.7% 0.013 172.4)

  3. Step 200

    200

    #CADFD8

    oklch(88.6% 0.024 173.8)

  4. Step 300

    300

    #A5CABE

    oklch(80.9% 0.043 173.5)

  5. Step 400

    400

    #71AF9D

    oklch(70.7% 0.07 173.9)

  6. Step 500

    500

    #479B85

    oklch(63.1% 0.089 173.7)

  7. Step 600

    600

    #21856E

    oklch(55.5% 0.096 173.4)

  8. Step 700

    700 (this color)

    #15745F

    oklch(50.1% 0.09 173.3)

  9. Step 800

    800

    #135C4B

    oklch(42.7% 0.075 173.1)

  10. Step 900

    900

    #1A4C3F

    oklch(37.9% 0.058 173)

  11. Step 950

    950

    #112C25

    oklch(26.9% 0.036 174.4)

Export this scale for Tailwind in the Tailwind colors tool

#15745F 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)#706C5E0.093
Deuteranopia (no green cones)#6463610.090
Tritanopia (no blue cones)#00756E0.023
Achromatopsia (no color)#6767670.091

Harmonies

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

Complementary

The opposite hue (180°).

  • #15745F

    #15745F

    oklch(50.1% 0.09 173.3)

  • #8B4D68

    #8B4D68

    oklch(50.2% 0.09 353.3)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #15745F

    #15745F

    oklch(50.1% 0.09 173.3)

  • #437141

    #437141

    oklch(50.2% 0.09 143.2)

  • #007179

    #007179

    oklch(50% 0.085 203.4)

Open the analogous palette in the generator

Split complementary

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

  • #15745F

    #15745F

    oklch(50.1% 0.09 173.3)

  • #7C5181

    #7C5181

    oklch(50.1% 0.09 323.1)

  • #904E4B

    #904E4B

    oklch(50.2% 0.089 23.5)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #15745F

    #15745F

    oklch(50.1% 0.09 173.3)

  • #665992

    #665992

    oklch(50.1% 0.09 293.4)

  • #8B542F

    #8B542F

    oklch(50.1% 0.09 53.1)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #15745F

    #15745F

    oklch(50.1% 0.09 173.3)

  • #486397

    #486397

    oklch(50.2% 0.089 262.7)

  • #8B4D68

    #8B4D68

    oklch(50.2% 0.09 353.3)

  • #7C5E1C

    #7C5E1C

    oklch(50% 0.09 83.1)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #15745F, closest first.

Similar named colors

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

Use #15745F 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.