#39313D

Closest named color: Gunmetal (#293241). oklch(32.6% 0.024 314.5), rgb(57, 49, 61).

Aa

White text reads best on this color (12.49:1).

About this color

#39313D is a dark close to neutral grey. In OKLCH its lightness is 33%, its chroma 0.024. It has too little chroma to lean warm or cool. The nearest named color is Gunmetal (#293241), ΔE 0.027 away. White text reads best on it, at 12.49:1.

Hue familyNeutrals
Lightnessdark (33%)
Chromaclose to neutral grey (0.024)
Temperatureneutral
Nearest nameGunmetal (#293241)
Black text1.68:1
White text12.49:1

Values

HEX#39313D
RGBrgb(57, 49, 61)
HSLhsl(280, 11%, 22%)
OKLCHoklch(32.6% 0.024 314.5)

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 #39313D 12.49:1 AAA Lc -101.8 Preferred for body text
Black text on #39313D 1.68:1 Fails Lc 0.0 Not readable
#39313D text on white 12.49:1 AAA Lc 98.4 Preferred for body text
#39313D text on black 1.68:1 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

    #F6F5F6

    oklch(97.1% 0.002 325.6)

  2. Step 100

    100

    #EBE9EC

    oklch(93.6% 0.005 314.8)

  3. Step 200

    200

    #DBD7DE

    oklch(88.4% 0.01 311.2)

  4. Step 300

    300

    #C5BDC9

    oklch(80.9% 0.019 314.7)

  5. Step 400

    400

    #A79CAD

    oklch(70.8% 0.027 313.9)

  6. Step 500

    500

    #928399

    oklch(63.1% 0.037 315.1)

  7. Step 600

    600

    #7C6D84

    oklch(55.7% 0.039 313.9)

  8. Step 700

    700

    #685B6F

    oklch(49.1% 0.035 313.8)

  9. Step 800

    800

    #554A5B

    oklch(42.6% 0.031 313.7)

  10. Step 900

    900 (this color)

    #39313D

    oklch(32.6% 0.024 314.5)

  11. Step 950

    950

    #29242C

    oklch(26.9% 0.016 312.9)

Export this scale for Tailwind in the Tailwind colors tool

#39313D 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)#30333E0.016
Deuteranopia (no green cones)#31343D0.016
Tritanopia (no blue cones)#3932350.016
Achromatopsia (no color)#3434340.024

Harmonies

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

Complementary

The opposite hue (180°).

  • #39313D

    #39313D

    oklch(32.6% 0.024 314.5)

  • #2F372B

    #2F372B

    oklch(32.5% 0.023 135.2)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #39313D

    #39313D

    oklch(32.6% 0.024 314.5)

  • #333340

    #333340

    oklch(32.6% 0.023 285.1)

  • #3E3037

    #3E3037

    oklch(32.7% 0.023 346.9)

Open the analogous palette in the generator

Split complementary

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

  • #39313D

    #39313D

    oklch(32.6% 0.024 314.5)

  • #363527

    #363527

    oklch(32.6% 0.024 104.2)

  • #293831

    #293831

    oklch(32.5% 0.023 164.8)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #39313D

    #39313D

    oklch(32.6% 0.024 314.5)

  • #3C3327

    #3C3327

    oklch(32.7% 0.024 74.7)

  • #263838

    #263838

    oklch(32.5% 0.023 196.1)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #39313D

    #39313D

    oklch(32.6% 0.024 314.5)

  • #3F312B

    #3F312B

    oklch(32.7% 0.023 44.4)

  • #2F372B

    #2F372B

    oklch(32.5% 0.023 135.2)

  • #27373E

    #27373E

    oklch(32.6% 0.024 226.7)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #39313D, closest first.

Similar named colors

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

Use #39313D 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.