#243C32

Closest named color: Onyx (#343A40). oklch(33.3% 0.035 166.2), rgb(36, 60, 50).

Aa

White text reads best on this color (11.88:1).

About this color

#243C32 is a dark, muted green. In OKLCH its lightness is 33%, its chroma 0.035 and its hue 166°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Onyx (#343A40), ΔE 0.038 away. White text reads best on it, at 11.88:1.

Hue familyGreens
Lightnessdark (33%)
Chromamuted (0.035)
Temperaturein between
Nearest nameOnyx (#343A40)
Black text1.76:1
White text11.88:1

Values

HEX#243C32
RGBrgb(36, 60, 50)
HSLhsl(155, 25%, 19%)
OKLCHoklch(33.3% 0.035 166.2)

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 #243C32 11.88:1 AAA Lc -100.8 Preferred for body text
Black text on #243C32 1.76:1 Fails Lc 0.0 Not readable
#243C32 text on white 11.88:1 AAA Lc 97.2 Preferred for body text
#243C32 text on black 1.76:1 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

    #F3F6F5

    oklch(97.1% 0.003 174.5)

  2. Step 100

    100

    #E5EBE9

    oklch(93.5% 0.007 174.4)

  3. Step 200

    200

    #D1DCD7

    oklch(88.5% 0.014 167.1)

  4. Step 300

    300

    #B2C6BD

    oklch(80.9% 0.025 166.9)

  5. Step 400

    400

    #88A99B

    oklch(70.6% 0.042 167.5)

  6. Step 500

    500

    #6A9482

    oklch(63% 0.054 166.3)

  7. Step 600

    600

    #517E6C

    oklch(55.5% 0.057 167.2)

  8. Step 700

    700

    #416B5A

    oklch(49.2% 0.055 166.6)

  9. Step 800

    800

    #365749

    oklch(42.7% 0.045 165.7)

  10. Step 900

    900 (this color)

    #243C32

    oklch(33.3% 0.035 166.2)

  11. Step 950

    950

    #1C2A24

    oklch(27% 0.022 166.4)

Export this scale for Tailwind in the Tailwind colors tool

#243C32 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)#3B39320.035
Deuteranopia (no green cones)#3736330.034
Tritanopia (no blue cones)#1E3C390.013
Achromatopsia (no color)#3737370.035

Harmonies

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

Complementary

The opposite hue (180°).

  • #243C32

    #243C32

    oklch(33.3% 0.035 166.2)

  • #442F3A

    #442F3A

    oklch(33.4% 0.035 346.4)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #243C32

    #243C32

    oklch(33.3% 0.035 166.2)

  • #2E3A28

    #2E3A28

    oklch(33.2% 0.035 135.4)

  • #1F3C3C

    #1F3C3C

    oklch(33.4% 0.035 195.6)

Open the analogous palette in the generator

Split complementary

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

  • #243C32

    #243C32

    oklch(33.3% 0.035 166.2)

  • #3D3142

    #3D3142

    oklch(33.3% 0.033 315.9)

  • #472F30

    #472F30

    oklch(33.4% 0.035 16.4)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #243C32

    #243C32

    oklch(33.3% 0.035 166.2)

  • #343448

    #343448

    oklch(33.4% 0.035 284.3)

  • #463127

    #463127

    oklch(33.5% 0.035 46.5)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #243C32

    #243C32

    oklch(33.3% 0.035 166.2)

  • #2A3748

    #2A3748

    oklch(33.3% 0.035 255.3)

  • #442F3A

    #442F3A

    oklch(33.4% 0.035 346.4)

  • #413421

    #413421

    oklch(33.4% 0.036 76.5)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #243C32, closest first.

Similar named colors

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

Use #243C32 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.