#39303D

Closest named color: Gunmetal (#293241). oklch(32.4% 0.026 315.4), rgb(57, 48, 61).

Aa

White text reads best on this color (12.61:1).

About this color

#39303D is a dark close to neutral grey. In OKLCH its lightness is 32%, its chroma 0.026. 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 12.61:1.

Hue familyNeutrals
Lightnessdark (32%)
Chromaclose to neutral grey (0.026)
Temperatureneutral
Nearest nameGunmetal (#293241)
Black text1.66:1
White text12.61:1

Values

HEX#39303D
RGBrgb(57, 48, 61)
HSLhsl(282, 12%, 21%)
OKLCHoklch(32.4% 0.026 315.4)

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 #39303D 12.61:1 AAA Lc -102.0 Preferred for body text
Black text on #39303D 1.66:1 Fails Lc 0.0 Not readable
#39303D text on white 12.61:1 AAA Lc 98.6 Preferred for body text
#39303D text on black 1.66:1 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

    #F6F5F7

    oklch(97.1% 0.003 308.4)

  2. Step 100

    100

    #EBE9EC

    oklch(93.6% 0.005 314.8)

  3. Step 200

    200

    #DCD7DE

    oklch(88.5% 0.011 316.5)

  4. Step 300

    300

    #C5BDC9

    oklch(80.9% 0.019 314.7)

  5. Step 400

    400

    #A89BAE

    oklch(70.7% 0.031 315.3)

  6. Step 500

    500

    #93839A

    oklch(63.2% 0.039 315.6)

  7. Step 600

    600

    #7D6C85

    oklch(55.6% 0.043 315)

  8. Step 700

    700

    #6A5A70

    oklch(49.1% 0.04 316.8)

  9. Step 800

    800

    #564A5C

    oklch(42.8% 0.033 314.5)

  10. Step 900

    900 (this color)

    #39303D

    oklch(32.4% 0.026 315.4)

  11. Step 950

    950

    #2A242C

    oklch(27% 0.017 317.7)

Export this scale for Tailwind in the Tailwind colors tool

#39303D 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)#2E333E0.020
Deuteranopia (no green cones)#30333D0.018
Tritanopia (no blue cones)#3931340.018
Achromatopsia (no color)#3333330.026

Harmonies

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

Complementary

The opposite hue (180°).

  • #39303D

    #39303D

    oklch(32.4% 0.026 315.4)

  • #2E372A

    #2E372A

    oklch(32.4% 0.026 136.1)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #39303D

    #39303D

    oklch(32.4% 0.026 315.4)

  • #323241

    #323241

    oklch(32.4% 0.026 284.8)

  • #3E2F37

    #3E2F37

    oklch(32.5% 0.025 345.3)

Open the analogous palette in the generator

Split complementary

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

  • #39303D

    #39303D

    oklch(32.4% 0.026 315.4)

  • #363525

    #363525

    oklch(32.5% 0.027 104.8)

  • #273831

    #273831

    oklch(32.3% 0.025 167.5)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #39303D

    #39303D

    oklch(32.4% 0.026 315.4)

  • #3C3225

    #3C3225

    oklch(32.4% 0.026 74)

  • #243838

    #243838

    oklch(32.4% 0.026 196)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #39303D

    #39303D

    oklch(32.4% 0.026 315.4)

  • #3F3029

    #3F3029

    oklch(32.4% 0.025 46.3)

  • #2E372A

    #2E372A

    oklch(32.4% 0.026 136.1)

  • #26373E

    #26373E

    oklch(32.5% 0.025 225.3)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #39303D, closest first.

Similar named colors

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

Use #39303D 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.