#355440

Closest named color: Dark Slate Gray (#2F4F4F). oklch(41.5% 0.05 155.3), rgb(53, 84, 64).

Aa

White text reads best on this color (8.42:1).

About this color

#355440 is a dark, muted green. In OKLCH its lightness is 42%, its chroma 0.050 and its hue 155°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Gray (#2F4F4F), ΔE 0.035 away. White text reads best on it, at 8.42:1.

Hue familyGreens
Lightnessdark (42%)
Chromamuted (0.050)
Temperaturein between
Nearest nameDark Slate Gray (#2F4F4F)
Black text2.49:1
White text8.42:1

Values

HEX#355440
RGBrgb(53, 84, 64)
HSLhsl(141, 23%, 27%)
OKLCHoklch(41.5% 0.05 155.3)

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 #355440 8.42:1 AAA Lc -93.5 Preferred for body text
Black text on #355440 2.49:1 Fails Lc 15.0 Dividers and decoration only
#355440 text on white 8.42:1 AAA Lc 89.0 Fine for body text
#355440 text on black 2.49:1 Fails Lc -13.2 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 800.

  1. Step 50

    50

    #F3F6F4

    oklch(97% 0.004 157.2)

  2. Step 100

    100

    #E6ECE7

    oklch(93.7% 0.009 150.7)

  3. Step 200

    200

    #D1DCD4

    oklch(88.4% 0.016 154.4)

  4. Step 300

    300

    #B3C7B9

    oklch(81% 0.029 155.2)

  5. Step 400

    400

    #8AAA94

    oklch(70.8% 0.047 155)

  6. Step 500

    500

    #6C957A

    oklch(63.2% 0.061 155.4)

  7. Step 600

    600

    #547F63

    oklch(55.7% 0.065 155.2)

  8. Step 700

    700

    #446B52

    oklch(49.1% 0.06 155.4)

  9. Step 800

    800 (this color)

    #355440

    oklch(41.5% 0.05 155.3)

  10. Step 900

    900

    #314839

    oklch(37.8% 0.038 155.5)

  11. Step 950

    950

    #1D2A21

    oklch(27% 0.024 154.3)

Export this scale for Tailwind in the Tailwind colors tool

#355440 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)#544F3F0.046
Deuteranopia (no green cones)#4F4C410.044
Tritanopia (no blue cones)#2F534E0.024
Achromatopsia (no color)#4D4D4D0.050

Harmonies

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

Complementary

The opposite hue (180°).

  • #355440

    #355440

    oklch(41.5% 0.05 155.3)

  • #5D4156

    #5D4156

    oklch(41.4% 0.05 335.8)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #355440

    #355440

    oklch(41.5% 0.05 155.3)

  • #455132

    #455132

    oklch(41.6% 0.051 125.7)

  • #29554F

    #29554F

    oklch(41.6% 0.05 184)

Open the analogous palette in the generator

Split complementary

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

  • #355440

    #355440

    oklch(41.5% 0.05 155.3)

  • #524562

    #524562

    oklch(41.5% 0.05 304.8)

  • #634048

    #634048

    oklch(41.4% 0.05 4.5)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #355440

    #355440

    oklch(41.5% 0.05 155.3)

  • #444A67

    #444A67

    oklch(41.6% 0.049 275)

  • #644239

    #644239

    oklch(41.5% 0.05 35.5)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #355440

    #355440

    oklch(41.5% 0.05 155.3)

  • #344F65

    #344F65

    oklch(41.6% 0.049 243.9)

  • #5D4156

    #5D4156

    oklch(41.4% 0.05 335.8)

  • #5F462E

    #5F462E

    oklch(41.5% 0.05 64.5)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #355440, closest first.

Similar named colors

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

Use #355440 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.