#3D5147

Closest named color: Dark Slate Gray (#2F4F4F). oklch(41.5% 0.03 163.1), rgb(61, 81, 71).

Aa

White text reads best on this color (8.51:1).

About this color

#3D5147 is a dark close to neutral grey. In OKLCH its lightness is 41%, its chroma 0.030. It has too little chroma to lean warm or cool. The nearest named color is Dark Slate Gray (#2F4F4F), ΔE 0.024 away. White text reads best on it, at 8.51:1.

Hue familyNeutrals
Lightnessdark (41%)
Chromaclose to neutral grey (0.030)
Temperatureneutral
Nearest nameDark Slate Gray (#2F4F4F)
Black text2.46:1
White text8.51:1

Values

HEX#3D5147
RGBrgb(61, 81, 71)
HSLhsl(150, 14%, 28%)
OKLCHoklch(41.5% 0.03 163.1)

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 #3D5147 8.51:1 AAA Lc -93.8 Preferred for body text
Black text on #3D5147 2.46:1 Fails Lc 14.7 Not readable
#3D5147 text on white 8.51:1 AAA Lc 89.3 Fine for body text
#3D5147 text on black 2.46:1 Fails Lc -12.9 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

    #F4F6F5

    oklch(97.1% 0.002 165.1)

  2. Step 100

    100

    #E7EBE9

    oklch(93.6% 0.005 165)

  3. Step 200

    200

    #D4DBD7

    oklch(88.5% 0.009 161.3)

  4. Step 300

    300

    #B7C4BD

    oklch(80.8% 0.017 162.6)

  5. Step 400

    400

    #92A69C

    oklch(70.7% 0.027 164.1)

  6. Step 500

    500

    #769183

    oklch(63.2% 0.037 162.6)

  7. Step 600

    600

    #5F7B6D

    oklch(55.7% 0.039 163.2)

  8. Step 700

    700

    #4E675B

    oklch(49% 0.035 164.1)

  9. Step 800

    800 (this color)

    #3D5147

    oklch(41.5% 0.03 163.1)

  10. Step 900

    900

    #37463E

    oklch(37.8% 0.024 161.8)

  11. Step 950

    950

    #202924

    oklch(27% 0.016 160.8)

Export this scale for Tailwind in the Tailwind colors tool

#3D5147 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)#504E470.029
Deuteranopia (no green cones)#4D4C480.028
Tritanopia (no blue cones)#39514E0.012
Achromatopsia (no color)#4D4D4D0.030

Harmonies

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

Complementary

The opposite hue (180°).

  • #3D5147

    #3D5147

    oklch(41.5% 0.03 163.1)

  • #584550

    #584550

    oklch(41.4% 0.031 342.9)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #3D5147

    #3D5147

    oklch(41.5% 0.03 163.1)

  • #454F3F

    #454F3F

    oklch(41.4% 0.029 133.8)

  • #385150

    #385150

    oklch(41.4% 0.03 192.9)

Open the analogous palette in the generator

Split complementary

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

  • #3D5147

    #3D5147

    oklch(41.5% 0.03 163.1)

  • #514757

    #514757

    oklch(41.4% 0.029 312.8)

  • #5B4547

    #5B4547

    oklch(41.5% 0.03 12.4)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #3D5147

    #3D5147

    oklch(41.5% 0.03 163.1)

  • #494A5C

    #494A5C

    oklch(41.5% 0.03 282.5)

  • #5A473F

    #5A473F

    oklch(41.5% 0.029 44)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #3D5147

    #3D5147

    oklch(41.5% 0.03 163.1)

  • #404D5C

    #404D5C

    oklch(41.5% 0.03 252.2)

  • #584550

    #584550

    oklch(41.4% 0.031 342.9)

  • #56493A

    #56493A

    oklch(41.4% 0.03 70.9)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #3D5147, closest first.

Similar named colors

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

Use #3D5147 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.