#003F30

Closest named color: Evergreen (#05472A). oklch(32.7% 0.064 170.7), rgb(0, 63, 48).

Aa

White text reads best on this color (11.97:1).

About this color

#003F30 is a dark, muted teal or cyan. In OKLCH its lightness is 33%, its chroma 0.064 and its hue 171°. Its hue sits on the cool side of the wheel. The nearest named color is Evergreen (#05472A), ΔE 0.033 away. White text reads best on it, at 11.97:1.

Hue familyTeals and cyans
Lightnessdark (33%)
Chromamuted (0.064)
Temperaturecool
Nearest nameEvergreen (#05472A)
Black text1.75:1
White text11.97:1

Values

HEX#003F30
RGBrgb(0, 63, 48)
HSLhsl(166, 100%, 12%)
OKLCHoklch(32.7% 0.064 170.7)

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 #003F30 11.97:1 AAA Lc -100.6 Preferred for body text
Black text on #003F30 1.75:1 Fails Lc 0.0 Not readable
#003F30 text on white 11.97:1 AAA Lc 97.0 Preferred for body text
#003F30 text on black 1.75:1 Fails Lc 0.0 Not readable

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 900.

  1. Step 50

    50

    #F1F7F5

    oklch(97.1% 0.007 174.4)

  2. Step 100

    100

    #E1EDE8

    oklch(93.6% 0.014 169.2)

  3. Step 200

    200

    #C9DFD7

    oklch(88.5% 0.026 171.9)

  4. Step 300

    300

    #A2CBBC

    oklch(80.8% 0.048 170.8)

  5. Step 400

    400

    #6DB19A

    oklch(70.8% 0.078 170.5)

  6. Step 500

    500

    #3F9D81

    oklch(63.2% 0.099 170.4)

  7. Step 600

    600

    #0A876A

    oklch(55.6% 0.107 170.4)

  8. Step 700

    700

    #007259

    oklch(49.1% 0.097 170.7)

  9. Step 800

    800

    #045D49

    oklch(42.7% 0.082 171.3)

  10. Step 900

    900 (this color)

    #003F30

    oklch(32.7% 0.064 170.7)

  11. Step 950

    950

    #0E2D24

    oklch(27.1% 0.041 171.3)

Export this scale for Tailwind in the Tailwind colors tool

#003F30 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)#3D3A2F0.066
Deuteranopia (no green cones)#3534310.064
Tritanopia (no blue cones)#00403B0.019
Achromatopsia (no color)#3737370.065

Harmonies

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

Complementary

The opposite hue (180°).

  • #003F30

    #003F30

    oklch(32.7% 0.064 170.7)

  • #4D2639

    #4D2639

    oklch(32.8% 0.064 350.6)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #003F30

    #003F30

    oklch(32.7% 0.064 170.7)

  • #213D1C

    #213D1C

    oklch(32.8% 0.065 140.7)

  • #003D40

    #003D40

    oklch(32.7% 0.056 200.3)

Open the analogous palette in the generator

Split complementary

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

  • #003F30

    #003F30

    oklch(32.7% 0.064 170.7)

  • #432949

    #432949

    oklch(32.7% 0.064 319.9)

  • #512626

    #512626

    oklch(32.8% 0.064 21.2)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #003F30

    #003F30

    oklch(32.7% 0.064 170.7)

  • #352E53

    #352E53

    oklch(32.7% 0.065 291.1)

  • #4E2A13

    #4E2A13

    oklch(32.7% 0.064 51.3)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #003F30

    #003F30

    oklch(32.7% 0.064 170.7)

  • #213455

    #213455

    oklch(32.6% 0.064 260.8)

  • #4D2639

    #4D2639

    oklch(32.8% 0.064 350.6)

  • #453004

    #453004

    oklch(32.5% 0.064 80.5)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #003F30, closest first.

Similar named colors

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

Use #003F30 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.